• Technical Conference: 

    9 - 14 May 2021

  • Exhibition: 

    11 – 13 May 2021

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Schedule

Schedule

Wednesday, 13 May

All Times are (UTC - 00:00)

8:30 - 10:00 (UTC - 00:00)

10:00 - 10:30 (UTC - 00:00)

10:00 - 11:30 (UTC - 00:00)

Joint Poster Session 7 (JW2A)

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Optical Response of the Centric Valve in Cyclotella Quillensis Diatoms (JW2A.1)
Presenter: Santiago Bernal, McGill University

The optical behaviour of frustules in the centric phytoplankton species Cyclotella Quillensis was investigated using SEM, AFM and SNOM techniques. Our results revealed a photonic crystal lattice that was analysed by photonic band structure simulations

Authors:Santiago Bernal/McGill University Yannick D'Mello/McGill University Dan Petrescu/McGill University Mark Andrews/McGill University David Plant/McGill University

  Paper
Coupling assisted high efficiency sorting of spherical and rod-shaped bacteria in an optofluidic chip (JW2A.2)
Presenter: Yuzhi Shi, Nanyang Technological University

We present a nano-photonic lattice to sort bacteria with equivalent size but different shapes. It has an ultra-sensitive trapping capability for the two bacteria with S. aureus above 95% and E. coli less than 3%.

Authors:Yuzhi Shi/Nanyang Technological University Yi Zhang/Nanyang Technological University Peng Huat Yap/Nanyang Technological University Ai Qun Liu/Nanyang Technological University

  Paper
High Density 3D Localization Microscopy by Multimodal Point Spread Function Engineering (JW2A.3)
Presenter: Boris Ferdman, Technion

Point-spread-function engineering enables the extraction of depth information from fluorescence microscopy images by sacrificing lateral resolution and labeling density. Here, we introduce a bifurcated multimodal approach that facilitates 3D super-resolution in densely labeled samples

Authors:Boris Ferdman/Technion Elias Nehme/Technion Lucien Weiss/Technion Reut Orange/Technion Yoav Shechtman/Technion

  Paper
Hybrid Photonic Crystal-Plasmonic Lab-on-chip Device using TLC-SERS for Multiple Chemical Sensing (JW2A.4)
Presenter: Alan Wang, Oregon State University

By coupling surface-enhanced Raman spectroscopy (SERS) with thin-layer chromatography, hybrid photonic crystal-plasmonic devices provide lab-on-a-chip functionalities for separating and detecting multiple chemical targets in a complex solution.

Authors:Kundan Sivashanmugan/Oregon State University Kenneth Squire/Oregon State University Boxin Zhang/Oregon State University Alan Wang/Oregon State University

  Paper
An Ultrasensitive Optofluidic Biosensor for PCR-Free Detection of Arboviral Biomarker at Attomolar Levels (JW2A.5)
Presenter: Xiangchao Zhu, University of California

A point-of-care technology is critically needed for detection of low-abundance arboviral biomarkers. We introduce an optofluidic-nanoplasmonic diagnostic platform enabling ultrasensitive detection of infectious arboviruses in human serum at attomolar concentrations.

Authors:Xiangchao Zhu/University of California Mustafa Mutlu/University of California Jose Fuentes/University of California Ray Jara/University of California Alexandra Hunsinger/University of California Kyle O’Rourke/University of California Ahmet Yanik/University of California

  Paper
Spectral Flow Cytometry to Distinguish Tamoxifen Resistant Breast Cancer Cells (JW2A.6)
Presenter: Aric Bitton, New Mexico State University

A multi-color spectral flow cytometry panel targeting receptors on MCF-7 breast cancer cells is used to potentially identify a tamoxifen resistant subpopulation. Results using separate resistant and normal cells indicate detection and sorting is plausible.

Authors:Aric Bitton/New Mexico State University Jessica Houston/New Mexico State University Kevin Houston/New Mexico State University

  Paper
Light-Driven Formation and Fast Transportation of Microdroplet on a GeSbTe Substrate Based on Inverse Marangoni Effect (JW2A.7)
Presenter: Toshiharu Saiki, Keio University

We demonstrated formation and transportation of microdroplets by laser heating to generate a temperature gradient on a GeSbTe substrate. We observed inverse Marangoni effect, in which a toluene/PEG mixed droplet moved towards higher temperature region.

Authors:Yuka Takamatsu/Keio University Masashi Kuwahara/National Institute of Advanced Industrial Science and Technology Toshiharu Saiki/Keio University

  Paper
A naturally trapped Rare-Earth doped solid-state superradiant laser clock (JW2A.8)
Presenter: Mahmood Sabooni, Institute for Quantum Computing (IQC)

We propose a narrow linewidth solid-state based superradiant laser, which is almost insensitive to the cavity mirror vibration, the best frequency-stable local oscillators and employed in quantum metrology.

Authors:Mahmood Sabooni/Institute for Quantum Computing (IQC) Kyung Soo Choi/Institute for Quantum Computing (IQC)

  Paper
Realization of ultra-low-loss microscopic optics for quantum-enhanced imaging (JW2A.9)
Presenter: Natsuha Ochiai, The University of Tokyo

We demonstrate microscopic optics with high transmittance of 89% using custom-made objective lenses, anti-reflection-coated cover slips, and axicons for beam shaping. We carefully designed the optics considering the position-dependent transmittance of the objective lenses.

Authors:Natsuha Ochiai/The University of Tokyo Yasuyuki Ozeki/The University of Tokyo

  Paper
Chip scale integration of nanophotonic-atomic quantum Magnetic sensors (JW2A.10)
Presenter: Yoel Sebbag, The Hebrew University of Jerusalem

We present and experimentally demonstrate an integrated magnetic quantum sensing platform, based on nanophotonic chip interfaced to microfabricated alkali vapor cells. Applications such as magnetometry and off-resonance modulation free laser stabilization are discussed.

Authors:Yoel Sebbag/The Hebrew University of Jerusalem Alex Naiman/The Hebrew University of Jerusalem Eliran Talker/The Hebrew University of Jerusalem yefim barash/The Hebrew University of Jerusalem Uriel Levy/The Hebrew University of Jerusalem

  Paper
Towards polarization-based, low-latency quantum communication over hollow-core conjoined-tube fibers at around 800 nm (JW2A.11)
Presenter: Xinyu Chen, National Laboratory of Solid State Microstructures and College of Engineering and Applied Sciences, Nanjing University

We experimentally demonstrate high-fidelity (~0.98), polarization-based single-photon transmission and entanglement distribution over a 36-meter-long, low-loss (<10 dB/km), 800 nm-guiding hollow-core conjoined-tube fiber quantum channel, which inherently possesses low transmission latency.

Authors:Xinyu Chen/National Laboratory of Solid State Microstructures and College of Engineering and Applied Sciences, Nanjing University Wei Ding/Institute of Photonics Technology, Jinan University Ying-Ying Wang/Institute of Photonics Technology, Jinan University Shou-Fei Gao/Institute of Photonics Technology, Jinan University Fei-Xiang Xu/National Laboratory of Solid State Microstructures and College of Engineering and Applied Sciences, Nanjing University Hui-Chao Xu/National Laboratory of Solid State Microstructures and College of Engineering and Applied Sciences, Nanjing University Yi-Feng Hong/Institute of Laser Engineering, Beijing University of Technology Yi-Zhi Sun/Institute of Photonics Technology, Jinan University Pu Wang/Institute of Laser Engineering, Beijing University of Technology Lijian Zhang/National Laboratory of Solid State Microstructures and College of Engineering and Applied Sciences, Nanjing University

  Paper
Atom Trapping with Metasurface Optics (JW2A.12)
Presenter: Ting-Wei Hsu, JILA,University of Colorado at Boulder

We present results on trapping ensembles of cold atoms with metasurface optics for portable atomic clock application, and progress towards single atom trapping and detection in high-NA optical tweezers with dielectric metalenses.

Authors:Ting-Wei Hsu/JILA,University of Colorado at Boulder Tobias Thiele/JILA,University of Colorado at Boulder Wenqi Zhu/National Institute of Standards and Technology Mark Brown/JILA,University of Colorado at Boulder Scott Papp/National Institute of Standards and Technology Amit Agrawal/National Institute of Standards and Technology Cindy Regal/JILA,University of Colorado at Boulder

  Paper
Receiving Electric Fields with a Rydberg Quantum Sensor (JW2A.13)
Presenter: Kevin Cox, US Army Research Laboratory

We experimentally and theoretically evaluate the performance of a quantum sensor based on Rydberg atoms across the entire radio-frequency spectrum from DC to 1 THz and make fundamental comparisons with other sensor types.

Authors:Kevin Cox/US Army Research Laboratory David Meyer/US Army Research Laboratory Zachary Castillo/US Army Research Laboratory Paul Kunz/US Army Research Laboratory

  Paper
High Efficiency Fiber-Coupled Single-Photon Source Based on Quantum Dot Embedded in a Semiconductor Nanowire (JW2A.14)
Presenter: Rubayet Al Maruf, University of Waterloo

We integrate a semiconductor nanowire embedded quantum dot with a single-mode fiber. To maximize photon collection, we optimize the nanowire geometry and align the lens-tipped fiber with the nanowire using lithographically defined structure.

Authors:Rubayet Al Maruf/University of Waterloo Divya Bharadwaj/University of Waterloo Paul Anderson/University of Waterloo Jiawei Qiu/University of Waterloo Mohd Zeeshan/University of Waterloo Philip Poole/National Research Council of Canada Dan Dalacu/National Research Council of Canada Michael Reimer/University of Waterloo Michal Bajcsy/University of Waterloo

  Paper
Sustainable QKD transmissions over fiber infrastructures shared with data and real-time transfers (JW2A.15)
Presenter: Josef Vojtech, CESNET

We present reasons for sharing the fibres by both Quantum key distribution and telecommunication traffic and propose suitable wavelength band and verify injection of such Quantum key distribution signal into telecommunication fibre with no impact to transmission system performance.

Authors:Josef Vojtech/CESNET Rudolf Vohnout/CESNET Tomáš Horváth/CESNET Sarbojeet Bhownick/CESNET Martin Slapak/CESNET Petr Munster/CESNET Ondrej Havlis/CESNET Radek Velc/CESNET Jan Kundrat/CESNET Pavel Skoda/CESNET Lada Altmannova/CESNET Michal Hazlinsky/CESNET Vladyslav Usenko/Dept. Optics, Palacky university Vladimir Smotlacha/Dept. Applications for technologies CESNET

  Paper
Drone-Based Quantum Key Distribution (JW2A.16)
Presenter: Samantha Isaac, University of Illinois at Urbana-Champaign

Current QKD protocols are limited to wired point to point key exchange. Utilizing drones, we work to establish free space quantum channels. Here, we report the progress of the tracking system used on the drones.

Authors:Samantha Isaac/University of Illinois at Urbana-Champaign Andrew Conrad/University of Illinois at Urbana-Champaign Alex Hill/University of Illinois at Urbana-Champaign Kyle Herndon/University of Illinois at Urbana-Champaign Brian Wilens/University of Illinois at Urbana-Champaign Dalton Chaffee/University of Illinois at Urbana-Champaign Daniel Sanchez-Rosales/Ohio State University Roderick Cochran/Ohio State University Daniel Gauthier/Ohio State University Paul Kwiat/University of Illinois at Urbana-Champaign

  Paper

Joint Poster Session 8 (JW2B)

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1108 nm Vortex Mode Generation From a Self-Raman Nd:GdVO4 Laser (JW2B.1)
Presenter: Yuanyuan Ma, Chiba University

We demonstrate a continuous-wave optical vortex source operating at 1108 nm, corresponding to the weaker Raman transition at 382 cm−1 in Nd:GdVO4, by employing an annular beam pumping geometry.

Authors:Yuanyuan Ma/Chiba University Andrew Lee/Macquarie University Helen Pask/Macquarie University Takashige Omatsu/Chiba University

  Paper
Phase Offset Locking of 689 nm Laser for the Cold Sr Atom (JW2B.2)
Presenter: shengnan zhang, University of Birmingham

Phase offset locking between two 689 nm diode lasers is performed. The frequency variation of the beat note is suppressed within 0.2 Hz and phase noise is reduced by 30 dB at 100 Hz.

Authors:shengnan zhang/University of Birmingham Yeshpal Singh/University of Birmingham Kai Bongs/University of Birmingham

  Paper
Compact Solid-state Laser With Novel Yb:YAG/YAG Pyramidal Active-mirror (JW2B.3)
Presenter: Peng Wang, Beihang University

A compact solid-state laser based on a novel composite Yb:YAG/YAG pyramidal active-mirror is proposed with a folded cavity optical structure. Numerical simulation results predict pulse energy of 10.57mJ with 16.02% optical efficiency obtained.

Authors:Peng Wang/Beihang University Yanxiong Niu/Beihang University Chunxi Zhang/Beihang University Di Feng/Beihang University

  Paper
Stable and Ultra-narrow Linewidth Random Fiber Laser Based on Random Fiber Bragg gratings (JW2B.4)
Presenter: Jie Hu, Huazhong Univ of Science and Technology

We propose a stable random fiber Bragg grating based random fiber laser with ring cavity. The linewidth is only 1.63 kHz, which is the narrowest in Random fiber laser to the best of our knowledge.

Authors:Jie Hu/Huazhong Univ of Science and Technology Yifei wang/Huazhong Univ of Science and Technology Zhikun Xing/Huazhong Univ of Science and Technology Tongda Li/Huazhong Univ of Science and Technology Zhen Wang/Huazhong Univ of Science and Technology Zhijun Yan/Huazhong Univ of Science and Technology Qizhen Sun/Huazhong Univ of Science and Technology Deming Liu/Huazhong Univ of Science and Technology

  Paper
Mode Dependent Laser Pulse Amplification: A Computational Approach in 3D (JW2B.5)
Presenter: Christoph Pflaum, Universität Erlangen-Nürnberg

We present a numerical simulation technique for short laser pulse amplification in solid-state crystals. It takes into account the full spatial pumping profile by solving the 3-dimensional photon transport and allows to calculate pulse energy accurately.

Authors:Christoph Pflaum/Universität Erlangen-Nürnberg Ramon Springer/Universität Erlangen-Nürnberg

  Paper
Octave-spanning 1.7 um dual-chirped optical parametric amplification by the dual pumping (JW2B.6)
Presenter: Lu Xu, RIKEN

We report on the generation of 103 mJ mid-infrared pulses at 1.7 mm using a BBO dual-chirped optical parametric amplification scheme (DC-OPA) and discuss the octave-spanning DC-OPA by using the dual pumping scheme.

Authors:Lu Xu/RIKEN Kataro Nishimura/RIKEN Akira Suda/Tokyo University of Science Katsumi Midorikawa/RIKEN Eiji Takahashi/RIKEN

  Paper
Fast tunable narrow-linewidth fiber laser based on the acousto-controlled polarization conversion in DCF (JW2B.7)
Presenter: Yujia Liu, Chongqing University

Pursuing high coherent light sources with spectral purity, rapid tuning speed and wide wavelength range, we propose a fast tunable narrow-linewidth fiber laser assisted by acoustically-induced polarization conversion in dispersion compensation fiber.

Authors:Yujia Liu/Chongqing University Yu Long Cao/Chongqing University Haonan Han/Chongqing University Ligang Huang/Chongqing University Tianyi Lan/Chongqing University Lei Gao/Chongqing University Tao Zhu/Chongqing University

  Paper
Suppression of Transverse Mode Instability in Ring-core Fiber (JW2B.8)
Presenter: Nan Xia, Nanyang Technological University

We theoretically investigate transverse mode instability (TMI) in ytterbium doped ring-core fiber. The unique geometry reduces thermal load and enhances gain saturation effect, leading to large suppression of TMI. Gaussian-like beam is formed at far-field.

Authors:Nan Xia/Nanyang Technological University Seongwoo Yoo/Nanyang Technological University

  Paper
ZEUS: A National Science Foundation Mid-Scale Facility for Laser-Driven Science in the QED Regime (JW2B.9)
Presenter: John Nees, University of Michigan

Building on past support, NSF has funded the Zetawatt Equivalent Ultrashort pulse laser System (ZEUS), a mid-scale 3PW multi-beam user facility, to explore nonlinear quantum electrodynamics, relativistic plasmas, and other phenomena in High-Field Science. © 2020 The Authors.

Authors:John Nees/University of Michigan Anatoly Maksimchuk/University of Michigan Galina Kalinchenko/University of Michigan Bixue Hou/University of Michigan Yong Ma/University of Michigan Paul Campbell/University of Michigan Andrew McKelvey/University of Michigan Louise Willingale/University of Michigan Igor Jovanovic/University of Michigan Carolyn Kuranz/University of Michigan Alexander Thomas/University of Michigan Karl Krushelnick/University of Michigan

  Paper
Development of self-resonating enhancement cavity operating in single-longitudinal-mode (JW2B.10)
Presenter: Yuuki Uesugi, Tohoku University

A single-longitudinal-mode operation of a self-resonating enhancement cavity with the finesse of 524 was achieved without any feedback control, demonstrating a capability to automaticaly follow the cavity resonance frequency against environmental disturbance.

Authors:Yuuki Uesugi/Tohoku University Alexander Aryshev/High Energy Accelerator Research Organization Masafumi Fukuda/High Energy Accelerator Research Organization Tsunehiko Omori/High Energy Accelerator Research Organization Nobuhiro Terunuma/High Energy Accelerator Research Organization Junji Urakawa/High Energy Accelerator Research Organization Tohru Takahashi/Hirohima University Yuya Koshiba/Waseda University Seiya Otsuka/Waseda University Masakazu Washio/Waseda University Yuji Hosaka/National Institutes for Quantum and Radiological Science and Technology Shunichi Sato/Tohoku University

  Paper
All-fiber frequency shifter via mode conversion for optical heterodyne micro-vibration measurement (JW2B.12)
Presenter: Zhang kun, Shanghai Institute of Optics and Fine Mechanics

We demonstrate an all-fiber mode conversion frequency shifter (MCFS) for optical heterodyne microvibration detection, which efficiently converts LP11 core mode to LP01 mode and acts as a frequency shifter. The SNR is ~ 65 dB.

Authors:Zhang kun/Shanghai Institute of Optics and Fine Mechanics

  Paper
Compact Thin-disk Multipass Amplifier Tolerant of Strong Disk Thermal Distortions (JW2B.13)
Presenter: Hantian Chen, Huazhong University of Science and Technology

A thin-disk multipass amplifier with good stability for the thermal lensing of disk is presented. Simulations and experiments demonstrated slight beam variations on the disk of which the dioptric power varies in a wide range.

Authors:Hantian Chen/Huazhong University of Science and Technology Enmao Song/Huazhong University of Science and Technology Jing Dong/Huazhong University of Science and Technology Xiao Zhu/Huazhong University of Science and Technology Hailin Wang/Huazhong University of Science and Technology Guangzhi Zhu/Huazhong University of Science and Technology

  Paper
Mid-infrared Absorption of Femtosecond Laser Micro-structured Silicon Formed in Different Gas Ambient (JW2B.14)
Presenter: Haibin Sun, Key laboratory of intelligent infrared perception, Chinese academy of science

We researched the mid-infrared absorption changes of micro-structured silicon prepared in SF6, N2, and NF3, the different changes mainly due to the concentrations of impurities doped in surface layer.

Authors:Haibin Sun/Key laboratory of intelligent infrared perception, Chinese academy of science Shengli Sun/SITP Fuchun Chen/SITP Guifu wang/SITP

  Paper
Determination of Femtosecond Laser Direct Written Waveguide Refractive Index Using Machine Learning (JW2B.15)
Presenter: Mohan Wang, University of Pittsburgh

A machine learning-based model was trained on beam propagation simulation data of a femtosecond laser direct written 1-D waveguide array structure with varying refractive indices, to predict the refractive index difference of laser-induced waveguide.

Authors:Mohan Wang/University of Pittsburgh Sheng Huang/University of Pittsburgh Jingyu Wu/University of Pittsburgh Kehao Zhao/University of Pittsburgh Zhi-Hong Mao/University of Pittsburgh Kevin Chen/University of Pittsburgh

  Paper
5 nm Nanogap Electrodes and Arrays by a Super-resolution Laser Lithography (JW2B.16)
Presenter: Liang Qin, Suzhou Institute of Nano-Tech and Nano-Bionics

A 5 nm super high-resolution laser direct writing lithography technique has been developed that exhibits great capability for the fabrication of well site-control and mass-production nanogap electrodes and directly electrically modulated nano-sensing chips.

Authors:Liang Qin/Suzhou Institute of Nano-Tech and Nano-Bionics Yuanqing Huang/Suzhou Institute of Nano-Tech and Nano-Bionics Feng Xia/Qingdao University Lei Wang/National Center for Nanoscience and Technology Jiqiang Ning/Suzhou Institute of Nano-Tech and Nano-Bionics Hongmei Chen/Suzhou Institute of Nano-Tech and Nano-Bionics Xu Wang/Suzhou Institute of Nano-Tech and Nano-Bionics Wei Zhang/Suzhou HWN Nanotec. Co., LTD. Yong Peng/Lanzhou University Qian Liu/National Center for Nanoscience and Technology Ziyang Zhang/Suzhou Institute of Nano-Tech and Nano-Bionics

  Paper
Accumulation-Driven Single-Step Synthesis and Structuring of Immiscible Metallic Nanoalloys (JW2B.17)
Presenter: Pavana Siddhartha Kollipara, University of Texas at Austin

Immiscible metallic nanoalloys (Rh-Au) have been synthesized using the confinement effect of bubble. Synthesized Rh-Au alloy which is printed on the substrate has been implemented as reducing catalyst in the conversion of p-nitrophenol with NaBH4.

Authors:Bharath Rajeeva/University of Texas at Austin Pavana Siddhartha Kollipara/University of Texas at Austin Pranaw Kunal/University of Texas at Austin Simon Humphrey/University of Texas at Austin Yuebing Zheng/University of Texas at Austin

  Paper
Regulating the Fs-laser Material Removal Mechanism to Improve Processing Quality Effectively (JW2B.18)
Presenter: Zhixuan Li, Nankai University

A novel method, confirmed theoretically and experimentally, is demonstrated to regulate the material removal mechanism in fs-laser processing via elevating the initial temperature of the sample, which effectively improves the processing quality.

Authors:Zhixuan Li/Nankai University Jinze Li/Nankai University Qiang Wu/Nankai University Xiaoyang Hu/Nankai University Xinda Jiang/Nankai University hao xiong/Nankai University Jianghong Yao/Nankai University Jingjun Xu/Nankai University

  Paper
130 W, 1.2 GHz Femtosecond All-fiber Laser at 1.0 μm
(JW2B.19)

Presenter: Yicai Liu, South China University of Technology

We present a 130 W femtosecond all-fiber laser at 1.0 μm that works at a fundamental repetition rate of up to 1.2 GHz, which is expected to be a promising alternative for high-throughput material process.

Authors:Yicai Liu/South China University of Technology Wei Lin/South China University of Technology Wenlong Wang/South China University of Technology Xiaoming Wei/South China University of Technology Zhongmin Yang/South China University of Technology

  Paper
As2S3 Glass Mid-IR Transmission Enhancement with Femtosecond Laser Treatment (JW2B.20)
Presenter: Andrey Bushunov, Bauman Moscow State Technical University

We report on As2S3 glass surface transmission increase from 82.5% to 92% in range from 3 to 5 μm through femtosecond pulsed laser treatment.

Authors:Andrey Bushunov/Bauman Moscow State Technical University Andrei Teslenko/Bauman Moscow State Technical University Mikhail Tarabrin/Bauman Moscow State Technical University Vladimir Lazarev/Bauman Moscow State Technical University Gennady Snopatin/Institute of Chemestry of High-Purity Substances of the Russian Academy of Sciences Vasilii Kolvtashev/Fiber Optics Research Center of the Russian Academy of Sciences Victor Plotnichenko/Fiber Optics Research Center of the Russian Academy of Sciences

  Paper
Super Black Stainless Steel Surface Fabricated by Nanosecond Laser Irradiation (JW2B.21)
Presenter: Md Abu Taher, University of Hyderabad

Super-black stainless-steel (SS) surfaces were prepared by nanosecond laser irradiation giving low reflectivities close to 0.5% over broad wavelength range of 250-1800 nm and even lower (0.14%) over 250-850 nm.

Authors:D. Narayana Rao/University of Hyderabad Sri Ram Naraharisetty/University of Hyderabad Md Abu Taher/University of Hyderabad

  Paper
The influence of atmospheric helium on secondary clocks (JW2B.22)
Presenter: Wang-Yau Cheng, NCU

We report a new error source for the frequency of glass-cell based secondary time-frequency standards. That is, a frequency shift by helium collision was perceived where the helium atoms were confirmed as from the atmosphere

Authors:Wang-Yau Cheng/NCU Ko-Han Chen/NCU Chien-Ming Wu/NCU Su-Ron Wu/NCU Hsin-Hung Yu/NCU Tz-Wei Liu/NCU

  Paper
Dual-Comb Swept Wavelength Interferometry (JW2B.23)
Presenter: Mikael Mazur, Chalmers University of Technology

We demonstrate a hybrid swept wavelength interferometry -- dual-comb spectroscopy system for fast broadband full-field measurements. Phase and amplitude retrieval is experimentally verified and compensation of laser sweep nonlinearity is demonstrated without external referencing.

Authors:Mikael Mazur/Chalmers University of Technology Nicolas Fontaine/Nokia Bell Labs Magnus Karlsson/Chalmers University of Technology Peter Andrekson/Chalmers University of Technology Victor Company/Chalmers University of Technology Jochen Schröder/Chalmers University of Technology

  Paper
Space-Very Long Baseline Interferometry Mission Requirements Analysis on Space Borne Frequency Standards and Optical Frequency Combs (JW2B.24)
Presenter: Lin Yi, California Institute of Technology

Low phase noise microwave frequency generation with low power and miniaturized optical frequency comb may greatly impact future space-based Very Long Baseline Interferometry (VLBI) missions. We will show our analysis of the frequency and timing requirements of such missions.

Authors:Lin Yi/California Institute of Technology Eric Burt/California Institute of Technology Wei Zhang/California Institute of Technology

  Paper
Pump frequency noise influence on a microresonator-based soliton frequency comb (JW2B.25)
Presenter: Tomohiro Tetsumoto, IMRA America Inc.

By compensating the pump laser noise of a 300 GHz microresonator soliton comb, we analyze its impact on each comb line as well as the repetition rate. We demonstrate a timing noise of 200 as/Hz1/2.

Authors:Tomohiro Tetsumoto/IMRA America Inc. Mark Yeo/IMRA America Inc. Antoine Rolland/IMRA America Inc.

  Paper
Narrow Linewidth Electro-Optic Modulator Based Comb Generation with a Simple Modulator Configuration (JW2B.26)
Presenter: Ken Kashiwagi, National Metrology Inst. of Japan, AIST

We demonstrate a narrow linewidth electro-optic modulator based frequency comb with a simple modulator configuration. It was achieved by a servo control of a fragment of a high-frequency modulation signal through a low-frequency voltage-controlled oscillator.

Authors:Ken Kashiwagi/National Metrology Inst. of Japan, AIST Sho Okubo/National Metrology Inst. of Japan, AIST Hajime Inaba/National Metrology Inst. of Japan, AIST

  Paper
High-Harmonic Synchronization of Optomechanical Oscillators (JW2B.27)
Presenter: Caique Rodrigues, Unicamp

We experimentally demonstrate injection locking of an optomechanical oscillator driven at multiple harmonics of its fundamental frequency. The measured Arnold tongues show strongest synchronization when driven at even harmonics.

Authors:Caique Rodrigues/Unicamp Cauê Moreno Kersul de Castro Carvalho/Unicamp Michal Lipson/Columbia University Thiago Alegre/Unicamp Gustavo S. Wiederhecker/Unicamp

  Paper
Ultra-fast Waveform Measurement in Single-shot Using Optical Frequency Comb Analyzer (JW2B.28)
Presenter: Hayate Imai, Saitama University

The 2.7ps time resolution of single shot waveform measurement was experimentally performed by measuring on frequency domain using improved optical frequency comb analyzer based on dual-hetero dyne mixing in time-division multiplexing.

Authors:Hiroali Tada/Saitama University Hayate Imai/Saitama University Nasrin Sultana/Saitama University Shioda Tatsutoshi/Saitama University

  Paper
Enhancement of the response of an intracaviy mode-locked phase sensor (JW2B.29)
Presenter: Ladan Arissian, University of New Mexico

A doubling of the slope sensitivity of a mode-locked laser gyroscope is experimentally demonstrated,
This enhancement is through resonant dispersion applied to all modes of the frequency combs
interfered to produce the beat note response.

Authors:James Hendrie/University of New Mexico Ning Hsu/University of New Mexico Ladan Arissian/University of New Mexico Matthias Lenzner/University of New Mexico Jean-Claude Diels/University of New Mexico

  Paper
In-situ loss measurements of silicon nano-waveguides using spectrum analysis and silver nano-wire as an obstacle in a reflection-based scattering NSOM (JW2B.30)
Presenter: Wei Ding, Inst of Photonics Technology, Jinan Univ

An in-situ waveguide loss measurement technique using a reflection-based scattering NSOM is developed. Putting a vibrating probe in different places along the waveguide, we accurately ac-quire local loss values of different segments of silicon nano-waveguides.

Authors:Yi-Zhi Sun/Inst of Photonics Technology, Jinan Univ Xiao-Hong Yan/Institute of Physics, Chinese Academy of Sciences Hong Wei/Institute of Physics, Chinese Academy of Sciences Sylvain Blaize/Université de Technologie de Troyes Renaud Bachelot/Université de Technologie de Troyes Wei Ding/Inst of Photonics Technology, Jinan Univ

  Paper
Wideband High-resolution Spectral Analysis Assisted by Soliton Micro-combs (JW2B.31)
Presenter: Hao Hu, Wuhan National Laboratory for Optoelectr

A high-resolution and large-bandwidth spectral analysis is demonstrated utilizing tunable laser and micro-comb. Bandwidth is extended by 100 times up to 2.5 THz with 2-MHz resolution and a high-Q resonator is successfully characterized in L-band.

Authors:Hao Hu/Wuhan National Laboratory for Optoelectr liao chen/Wuhan National Laboratory for Optoelectr Ruolan Wang/Wuhan National Laboratory for Optoelectr Yanjing Zhao/Wuhan National Laboratory for Optoelectr Xinyu Wang/Xi’an Institute of Optics and Precision Mechanics (XIOPM) Weiqiang Wang/Xi’an Institute of Optics and Precision Mechanics (XIOPM) Chi Zhang/Wuhan National Laboratory for Optoelectr Wenfu Zhang/Xi’an Institute of Optics and Precision Mechanics (XIOPM) Xinliang Zhang/Wuhan National Laboratory for Optoelectr

  Paper
Counterpropagating Pair of Superluminal Raman Lasers without Cross-Talks for Ultrasensitive Rotation Sensing (JW2B.32)
Presenter: Selim Shahriar, Northwestern University

We have demonstrated a pair of counter-propagating superluminal Raman lasers without cross-talk, employing two different gain cells, each containing two isotopes of Rb, as a key step in realizing an ultrasensitive rotation sensor.

Authors:Zifan Zhou/Northwestern University Minchuan Zhou/Northwestern University Selim Shahriar/Northwestern University

  Paper
Time-offset measurement with dual-comb linear optical sampling and time interval counter (JW2B.33)
Presenter: Abulikemu Abuduweili, Peking University

We demonstrate a sub-picosecond resolution time-offset comparison over l00 km long fiber between using asynchronized dual-comb linear optical sampling and the time interval counter.

Authors:Abulikemu Abuduweili/Peking University Xing Chen/Beijing University of Posts and Telecommunications Wenbo Ma/Peking University Zhigang Zhang/Peking University

  Paper
Transfer Oscillator Technique for Generation of High-Stability Timing Signals from Optical References (JW2B.34)
Presenter: Archita Hati, NIST

We generate a high stability 10 GHz microwave signals with close to 30 dB of comb noise suppression via optical frequency division using a transfer oscillator scheme.

Authors:Archita Hati/NIST Marco Pomponio/NIST Nick Nardelli/NIST Esther Baumann/NIST Tara Fortier/NIST Craig Nelson/NIST

  Paper

10:15 - 11:15 (UTC - 00:00)

OIDA Roadmap on Quantum Photonics
Moderator: Tom Hausken, OSA

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Special Event

11:00 - 13:00 (UTC - 00:00)

Joint Dynamic e-Posters II (JW2C)
Presider: Stephanie Tomasulo, US Naval Research Laboratory

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11:00 - 11:12
(Withdrawn) Inkjet Printed Hydrogel Lasing Microarray for Biomolecular Analysis (JW2C.1)
Presenter: Xuerui Gong, Nanyang Technological University

An inkjet-printed lasing microarray based on water/hydrogel micro-droplets was first demonstrated, where single-mode lasing was employed for precise biomolecular interaction analysis. This work represents a milestone to implement laser technology towards high-throughput biomedical analysis.

Authors:Xuerui Gong/Nanyang Technological University Peng Guan/Nanyang Technological University Shilun Feng/Nanyang Technological University Zhen Qiao/Nanyang Technological University Zhiyi Yuan/Nanyang Technological University YU-CHENG CHEN/Nanyang Technological University

11:12 - 11:24
Broadly-tunable, High-resolution Mid-IR Spectroscopy (JW2C.2)
Presenter: David Foote, Toptica Photonics, Inc.

We demonstrate automated C2H2 direct absorption spectroscopy using a CW, tunable optical parametric oscillator, with a resolution of <5x10-4 cm-1 at 2 cm-1/min. We improve the resolution substantially by locking to a frequency comb.

Authors:David Foote/Toptica Photonics, Inc. Matthew Cich/Toptica Photonics, Inc. Walter Hurlbut/Toptica Photonics, Inc. Ulrich Eismann/TOPTICA Photonics AG Adam Heiniger/Toptica Photonics, Inc. Daniel Christensen/Lumencor Inc Chris Haimberger/Toptica Photonics, Inc.

  Paper
11:24 - 11:36
Downconversion Free Real-time Spectral Analysis of High-Frequency Broadband Waveforms (JW2C.3)
Presenter: Saikrishna Konatham, INRS-EMT

We propose a method for real-time spectral analysis of high-frequency and high-bandwidth waveforms, without the downconversion stage. Time-mapped spectrograms of nanosecond-long microwave pulses modulated on high carrier frequencies are captured directly in a real-time scope.

Authors:Saikrishna Konatham/INRS-EMT Luis Cortés/INRS-EMT Jun Chang/Centre for Optics, Photonics and Lasers Leslie Rusch/Centre for Optics, Photonics and Lasers Sophie LaRochelle/Centre for Optics, Photonics and Lasers Jose Azana/INRS-EMT

  Paper
11:36 - 11:48
Large-Area Ultra-Broadband Achromatic Flat Lens for Imaging in the SWIR (JW2C.4)
Presenter: Sourangsu Banerji, University of Utah

We demonstrate an achromatic multi-level diffractive lens, which has a focal length of 25 mm, aperture diameter of 8.93 mm, and thickness of 2.6 µm operating in the SWIR band (875 nm - 1675 nm).

Authors:Sourangsu Banerji/University of Utah Monjurul Meem/University of Utah Apratim Majumder/University of Utah Curt Dvonch/Lockheed Martin Corp. Berardi Rodriguez/University of Utah Rajesh Menon/University of Utah

  Paper
11:48 - 12:00
Mobile quantum gravimeter with a novel pyramidal magneto-optical trap (JW2C.5)
Presenter: Xuejian Wu, University of California Berkeley

We demonstrate a mobile quantum gravimeter measuring tidal gravity variations in the laboratory and surveying gravity in the field. With simplicity and sensitivity, our instrument paves the way for bringing quantum sensors to field applications.

Authors:Xuejian Wu/University of California Berkeley Storm Weiner/University of California Berkeley Zachary Pagel/University of California Berkeley Bola Malek/University of California Berkeley Holger Müller/University of California Berkeley

  Paper
12:00 - 12:12
Experimental demonstration of in-service security monitoring using a quantum modulated signal (JW2C.6)
Presenter: Yupeng Gong, University of Cambridge

We experimentally demonstrate a method for in-service optical physical layer security monitoring with vacuum-noise sensitivity that can detect a 1% fiber tapping attack at 50km without classical security loopholes.

Authors:Yupeng Gong/University of Cambridge Shuai Yang/University of Cambridge Jeffrey Hunt/Boeing company adrian wonfor/University of Cambridge Richard Penty/University of Cambridge Ian White/University of Cambridge

  Paper
12:12 - 12:24
Large Shift of Surface Plasmon Resonances on Gold Film with Graphene (JW2C.7)
Presenter: Chao Niu, Baylor University

Disagreement exists between theory and experiment when we study surface plasmon resonance (SPR) of gold film with graphene. We attribute this large shift in SPR angle to the rough gold film and wrinkled graphene layer.

Authors:Chao Niu/Baylor University Md Alam/University of Houston Jonathan Hu/Baylor University Zhiming Wang/University of Electronic Science and Technology of China Jiming Bao/University of Houston

  Paper
12:24 - 12:36
(Withdrawn) Identifying phonon-polariton resonances with near-field optical microscopy (JW2C.8)
Presenter: Viktoriia Babicheva, University of New Mexico

Resonant responses of flat surfaces and sharp edges of the nanostructures supporting phonon polaritons are studied aiming at the prediction of scattering-type SNOM response and developing a modeling approach that adequately describes the nanostructure resonant behavior.

Authors:Fatih Ince/University of New Mexico Viktoriia Babicheva/University of New Mexico

12:36 - 12:48
Low-cost mid-infrared polarizer based on direct coupling to surface-plasmon polaritons (JW2C.9)
Presenter: Alireza Shahsafi, University of Wisconsin-Madison

We report a new type of reflective polarizer based on free-space coupling to surface-plasmon polaritons that has a high extinction ratio and high efficiency at infrared frequencies.

Authors:Alireza Shahsafi/University of Wisconsin-Madison Jad Salman/University of Wisconsin-Madison Bryan Rubio Perez/University of Wisconsin-Madison Yuzhe Xiao/University of Wisconsin-Madison Chenghao Wan/University of Wisconsin-Madison Mikhail Kats/University of Wisconsin-Madison

  Paper
12:48 - 13:00
Generation of Pulsating Solitons with Different Ultrafast Spectro-temporal Dynamics from One Mode-locked Fiber Laser (JW2C.10)
Presenter: Zheng Zheng, Beihang University

Three types of pulsating soliton dynamics are experimentally observed in a hybrid, dispersion-managed mode-locked fiber laser. It provides new insights into the complex nonlinear soliton behavior in ultrafast lasers and potential ways to control them.

Authors:Jie Chen/Beihang University Xin Zhao/Beihang University Ting Li/Beihang University Jianjun Yang/Beihang University Jiansheng Liu/Beihang University Zheng Zheng/Beihang University

  Paper

11:30 - 13:00 (UTC - 00:00)

Joint Poster Session 9 (JW2D)

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Localizing a Topological Mode Using a Near-Conservation of the Valley Degree of Freedom (JW2D.1)
Presenter: Yandong Li, Cornell University

We demonstrate the energy localization at the end of an abruptly terminated topologically nontrivial waveguide. This localization relies on a near-conservation of the valley degree of freedom and does not require time-reversal symmetry breaking.

Authors:Yandong Li/Cornell University Yang Yu/Cornell University Fengyu Liu/University of Maryland Baile Zhang/Nanyang Technological University Gennady Shvets/Cornell University

  Paper
Zero-energy Corner States in a Non-Hermitian Quadrupole Insulator (JW2D.2)
Presenter: Yang Yu, Cornell University

We find a zero-energy corner state in a non-Hermitian quadrupole insulator without an Hermitian counterpart, and the response of the system near zero energy can be drastically different from Hermitian systems.

Authors:Yang Yu/Cornell University Gennady Shvets/Cornell University

  Paper
Angular momentum-dependent topological transport (JW2D.3)
Presenter: Meng Xiao, Wuhan University

Analogs of the quantum spin Hall effect (QSHE) in classical waves are mostly based on the construction of pseudo-spins. Here we demonstrate analogs of QSHE in classical waves by utilizing the orbital angular momentum.

Authors:Meng Xiao/Wuhan University Jiang Tianshu/the Hong Kong University of Science and Technology Chan C. T./the Hong Kong University of Science and Technology

  Paper
Circular Dichroism in Multilayered Chiral Mid-Infrared Metamaterials (JW2D.4)
Presenter: Hannah Barnard, University of Exeter

An FDTD simulation based study of a mid-IR chiral metamaterial showing enhanced circular dichroism by stacking multiple chiral layers as well as changing the order of enantiomeric layer stacking.

Authors:Hannah Barnard/University of Exeter Eleanor Barr/University of Exeter Geoffrey Nash/University of Exeter

  Paper
Beam Steering and Dynamic Focusing by Coherent Control of Light with Light on Metasurfaces (JW2D.5)
Presenter: Xu Fang, University of Southampton

We report continuous ‘coherently controlled’ tuning of the wavefront of light scattered by phase-gradient silicon metasurfaces, which enables optical-frequency beam steering and dynamic focusing without moving parts.

Authors:Fei He/University of Southampton Kevin MacDonald/University of Southampton Xu Fang/University of Southampton

  Paper
Emission in Fabry-Perot Cavities in Weak and Strong Coupling Regimes (JW2D.6)
Presenter: Md Omar Faruk, University of California Irvine

We have studied spectra and angular distribution of emission of Rhodamine 6G dye in Fabry-Perot cavities in weak and strong coupling regimes and demonstrated control of the strong coupling with the pumping intensity.

Authors:Md Omar Faruk/University of California Irvine Mikhail Noginov/Norfolk State University Nelly Jerop/Norfolk State University

  Paper
1020-nm-band optical cloak using double-layered metamaterial film (JW2D.7)
Presenter: Tomo Amemiya, Tokyo Institute of Technology

We propose and demonstrate a near-infrared invisibility cloaking by using a double-layered metamaterial film. 1020-nm-band light is guided so as not to hit a tungsten wire around which the film is wound.

Authors:Tomo Amemiya/Tokyo Institute of Technology Hibiki Kagami/Tokyo Institute of Technology Makoto Tanaka/Tokyo Institute of Technology Sho Okada/Tokyo Institute of Technology Nobu Nishiyama/Tokyo Institute of Technology Mayu Takagi/Toyota Motor Corporation Tatsuhiro Urakami/Mitsui Chemicals, Inc.

  Paper
Design of Nonlinear Absorbers via Doped ENZ Metastructures (JW2D.8)
Presenter: Ehsan Nahvi, University of Pennsylvania

Replacing the dielectric spacer layer in a Salisbury screen with a nonlinear doped ENZ slab, we theoretically demonstrate the possibility of obtaining a tailorable nonlinear absorber.

Authors:Ehsan Nahvi/University of Pennsylvania Inigo Liberal/Public University of Navarra Nader Engheta/University of Pennsylvania

  Paper
Anisotropic circular topological structures. (JW2D.9)
Presenter: Claudio Conti, Italian National Research Council

We design cylindrical multilayer structures by exploiting anisotropy and topological features.
This provides a new approach to tailor electromagnetic fields into desired patterns with
angular momentum in cylindrical geometries as topologically protected resonators and fibers.

Authors:Laura Pilozzi/Italian National Research Council Claudio Conti/Italian National Research Council

  Paper
Angle Tolerant Mid-Infrared Notch Filters Using Two-dimensional Amorphous Germanium High Index Contrast Sub-wavelength Gratings (JW2D.10)
Presenter: Lal Krishna A S, Indian Institute of Science

We experimentally demonstrated polarization independent, angle tolerant mid-infrared notch filters using amorphous-Germanium 2D high contrast gratings. Centered at 7.42 µm wavelength, the filter exhibits wide field-of-view notch filtering characteristics across 0 to 30o incidence angles.

Authors:Lal Krishna A S/Indian Institute of Science Viphretuo Mere/Indian Institute of Science Shankar Selvaraja/Indian Institute of Science Varun Raghunathan/Indian Institute of Science

  Paper
Photonic topological phase transition with phase-change materials (JW2D.11)
Presenter: Takahiro Uemura, Tokyo institute of Technology

We propose and demonstrate a way to accomplish photonic topological phase transition by a specially-arranged photonic crystal slab selectively loaded by a phase-change material: Ge2Sb2Te5 (GST) or Ge2Sb2Se4Te1 (GSST), which enables reconfigurably tunable edge modes.

Authors:Takahiro Uemura/Tokyo institute of Technology Hisashi Chiba/Tokyo institute of Technology Taiki Yoda/Tokyo institute of Technology Yuto Moritake/Tokyo institute of Technology Yusuke Tanaka/NTT Corporation Masaya Notomi/Tokyo institute of Technology

  Paper
Tuning the Speed of Optical Coherence in Free Space (JW2D.13)
Presenter: Murat Yessenov, University of Central Florida, CREOL

We introduce the concept of `coherence group velocity’, which is the speed of the peak of the coherence function and demonstrate experimentally that incorporating spatio-temporal spectral structure into a field allows tuning its coherence group velocity in free space.

Authors:Murat Yessenov/University of Central Florida, CREOL Ayman Abouraddy/University of Central Florida, CREOL

  Paper
Deep Convolutional Neural Network for the Inverse Design of Layered Photonic Structures (JW2D.14)
Presenter: Rohit Unni, University of Texas at Austin

We report a neural network trained for the inverse design of layered planar photonic structures, able to handle arbitrary incidence conditions and high spectral complexity using a selection of candidate materials in the design.

Authors:Rohit Unni/University of Texas at Austin Kan Yao/University of Texas at Austin Yuebing Zheng/University of Texas at Austin

  Paper
A Theoretical Explanation for Enhanced Nonlinear Response in Epsilon-Near-Zero Media (JW2D.15)
Presenter: Diego M. Solis, University of Pennsylvania

We theoretically investigate the effects of a material’s linear permittivity ε on its nonlinear response, showing that conversion efficiency increases as ε decreases, consistent with other groups’ measurements of unusually high effective nonlinear refractive index in transparent conducting oxides.

Authors:Diego M. Solis/University of Pennsylvania Nader Engheta/University of Pennsylvania

  Paper
All-dielectric Tunable Metasurface Based on Guide-Mode Resonance and ENZ Effects (JW2D.16)
Presenter: Xiaoming Qiu, Peking University

A guide-mode resonance-based Indium Tin Oxide electrical tunable metasurface is proposed. By forming two metal-oxide-semiconductor capacitors in a single period, resonance wavelength can be tuned larger than 20nm in near-IR spectral range.

Authors:Xiaoming Qiu/Peking University Fan Yang/Peking University Yanping Li/Peking University Fan Zhang/Peking University

  Paper
Epsilon-Near-Zero Induced Near-Perfect Absorption in Thin-Film ITO – Pt Multilayers (JW2D.17)
Presenter: Stephen O'Brien, University of Dublin Trinity College

We demonstrate near perfect absorption (> 95%) in the near-infrared from 127 nm thick ITO films backed with various thicknesses (7 nm – 25 nm) of Pt. This absorption is achieved by exciting two plasmon modes associated with epsilon-near-zero behavior.

Authors:Stephen O'Brien/University of Dublin Trinity College Frank Bello/University of Dublin Trinity College Lisanne Peters/University of Dublin Trinity College Christopher Smith/University of Dublin Trinity College David McCloskey/University of Dublin Trinity College John Donegan/University of Dublin Trinity College

  Paper
Robust Self-Induced Nonreciprocal Transmission in Nonlinear PT-Symmetric Epsilon-Near-Zero Metamaterials (JW2D.18)
Presenter: Christos Argyropoulos, University of Nebraska Lincoln

Self-induced nonreciprocal transmission is demonstrated due to the enhanced Kerr nonlinear effect in compact epsilon-near-zero media photonically doped with gain and loss defects. Unitary transmission contrast is obtained by operating close to the exceptional point.

Authors:Boyuan Jin/University of Nebraska Lincoln Christos Argyropoulos/University of Nebraska Lincoln

  Paper
2D Gradient Composition Alloys: Excitonic and Dielectric Properties (JW2D.19)
Presenter: MUHAMMED KILINC, University at Buffalo

We map the optical properties with Raman, PL and SHG methods of a single gradient 2D alloy flake with spatially varying composition of CVD grown WSe2-WS2 monolayers that can be used in novel opto-electronics devices.

Authors:MUHAMMED KILINC/University at Buffalo Alireza Jalouli/University at Buffalo Peijian Wang/University at Buffalo Christian Neureuter/University at Buffalo Hao Zeng/University at Buffalo Tim Thomay/University at Buffalo

  Paper
Connecting Floquet Crystals and Time Crystals (JW2D.20)
Presenter: Yang Yu, Cornell University

We investigate the criteria of bandgaps opening in frequency or momentum, in both electromagnetism and condensed matter models with periodic modulation in time, showing Floquet crystals and time crystals are closely related.

Authors:Yang Yu/Cornell University Gennady Shvets/Cornell University

  Paper
Dissipation of Topological Charge in Plasmonic Weyl Semimetals (JW2D.21)
Presenter: Kunal Shastri, Cornell University

Breaking time-reversal or inversion symmetry are two ways of realizing a Weyl semimetal. We report that, in a plasmonic medium with Weyl point dispersion, the time-reversal broken realization is fundamentally more resilient against losses.

Authors:Kunal Shastri/Cornell University Francesco Monticone/Cornell University

  Paper
Generalized Class of Kerker Particles: Self-Duality and Zero Backscattering (JW2D.22)
Presenter: Nasim Mohammadi Estakhri, University of Pennsylvania

We introduce a generalized class of arbitrarily sized/shaped particles that satisfy the Kerker zero backscattering condition for normal incidence for all incident polarizations. We prove that self-duality is a sufficient condition to achieve zero backscattering.

Authors:Nasim Mohammadi Estakhri/University of Pennsylvania Raphael Kastner/University of Pennsylvania Nader Engheta/University of Pennsylvania

  Paper
Optical vortex beam splitter using topological edge state waveguide (JW2D.23)
Presenter: Sho Okada, Tokyo Institute of Technology

We propose an Si-based optical vortex beam splitter consisting of topological edge state waveguides with C6 symmetry. The device can change the branching ratio of the propagate light in the range from 16% to 84%.

Authors:Sho Okada/Tokyo Institute of Technology Tomo Amemiya/Tokyo Institute of Technology Hibiki Kagami/Tokyo Institute of Technology Koichi Saito/Tokyo Institute of Technology Makoto Tanaka/Tokyo Institute of Technology Nobu Nishiyama/Tokyo Institute of Technology Xiao Hu/National Institute for Materials Science

  Paper
Ghost Coupling: Exact Degeneracies in Guided Modes of Biaxial Dielectric Waveguides (JW2D.24)
Presenter: Emroz Khan, Purdue University

We show that ghost surface waves, a special class of Dyakonov waves at the interface of a biaxial and an isotropic dielectric, can lead to exact frequency degeneracies in guided modes.

Authors:Emroz Khan/Purdue University Sanjay Debnath/Purdue University Evgenii Narimanov/Purdue University

  Paper
On-chip flexible waveguides with amorphous structures in the near-infrared (JW2D.25)
Presenter: Murat Sarihan, University of California,Los Angeles

We have fabricated and tested on-chip waveguides using amorphous photonic structures. Amorphous structures offer greater flexibility compared to photonic crystal for photonic device designs. Furthermore, we offer a general guideline for amorphous structures.

Authors:Murat Sarihan/University of California,Los Angeles Alperen Govdeli/Middle East Technical University Yildirim Batuhan Yilmaz/Middle East Technical University Mertcan Erdil/Middle East Technical University Mehmet Sirin Aras/University of California,Los Angeles Cenk Yanik/Sabanci University Chee Wei Wong/University of California,Los Angeles Serdar Kocaman/Middle East Technical University

  Paper
Controlling the Level of Coupling Between Quantum Emitters and Planar Hyperbolic Metamaterial (JW2D.26)
Presenter: Ekembu Tanyi, Oregon State University

We discuss the effects of the ENZ position of multilayer HMM substrates (alternating layers Ag and ITO) on the level of their coupling with quantum emitters.

Authors:Ekembu Tanyi/Oregon State University Jonathan Van Schenck/Oregon State University Gregory Giesbers/Oregon State University Oksana Ostroverkhova/Oregon State University Li-Jing Cheng/Oregon State University

  Paper
High-contrast structural color based on photonic glass from core-shell particles (JW2D.27)
Presenter: Alexander Petrov, Hamburg University of Technology

Photonic glass provides angle-independent, spectrally selective scattering that can be used as structural colors. We show how the core-shell geometry of the particles can be used to improve the saturation of blue color.

Authors:Alexander Petrov/Hamburg University of Technology Guoliang Shang/Hamburg University of Technology Lukas Maiwald/Hamburg University of Technology Manfred Eich/Hamburg University of Technology

  Paper
Shape-independent, scattering-free topological photonic crystal resonator (JW2D.28)
Presenter: Mikhail Shalaev, Duke University

We consider the properties of dielectric topological photonic-crystal-based resonators featuring reflection-less in-plane light propagation.
We demonstrated that out-of-plane scattering is also suppressed due to the edge state localization near K and K' points away from the light line.

Authors:Mikhail Shalaev/Duke University Wiktor Walasik/Duke University Jiannan Gao/Duke University Natalia Litchinitser/Duke University

  Paper
Reconfigurable all-dielectric metasurfaces using phase-change chalcogenide Ge2Sb2Te5 (JW2D.29)
Presenter: Kirsten Masselink, Georgia Tech

We demonstrate a reconfigurable all-dielectric metasurface comprising of concentric GST/high-index materials nanopillars. The dynamic interplay of dominant Mie resonance modes due to the real-time phase-transition of GST grants 2π phase agility with unprecedented efficiency.

Authors:Kirsten Masselink/Georgia Tech Sajjad Abdollahramezani/Georgia Tech Omid Hemmatyar/Georgia Tech Ali Adibi/Georgia Tech

  Paper
Electromagnetic Nonreciprocity Using Electron Beams in a Waveguide (JW2D.30)
Presenter: Asma Fallah, University of Pennsylvania

We theoretically show how the Lorentz reciprocity can be broken via interaction of electron beams with electromagnetic waves in cylindrical waveguides. Salient features such as the operating frequency range and nonreciprocity’s strength are discussed.

Authors:Asma Fallah/University of Pennsylvania Yasaman Kiasat/University of Pennsylvania Mario Silveirinha/University of Lisbon Nader Engheta/University of Pennsylvania

  Paper
Tuning metasurface hologram by changing surrounding medium (JW2D.31)
Presenter: Weiping Wan, Peking University

We tune a metasuraface hologram by changing its surrounding medium to change the propagation phase experienced by the transmitted light from a nanostructure, which depends on the thickness and the transverse sizes.

Authors:Weiping Wan/Peking University Hang Feng/Peking University Qihuang gong/Peking University yan li/Peking University

  Paper
Creation of a robust zero mode at will (JW2D.32)
Presenter: Hamidreza Ramezani, University of Texas,Rio Grande Valley

We show that one can obtain a topological state in a photonic lattice by incorporating a defect and uniform amplification and absorption mechanism that satisfies a local broken parity-time symmetry condition.

Authors:Hamidreza Ramezani/University of Texas,Rio Grande Valley Fatemeh Mostafavi/University of Texas,Rio Grande Valley

  Paper
Tunable Ultrahigh-saturation Structural Colors From Toroidal Resonances by Phase-change Material Sb$_2$S$_3$ Metasurfaces (JW2D.33)
Presenter: Omid Hemmatyar, Georgia Institute of Technology

Leveraging sharp toroidal resonances supported by an all-dielectric metasurface (MS) made of high-index phase-change material Sb$_2$S$_3$ nanopillars (NPs), we demonstrate tunable ultrahighly saturated structural color with unprecendted large color gamut.

Authors:Omid Hemmatyar/Georgia Institute of Technology Tyler Brown/Georgia Institute of Technology Ali Adibi/Georgia Institute of Technology

  Paper
Fano Resonant All-dielectric HfO$_2$ Metasurfaces for Full Color Generation Designed by Deep Learning (JW2D.34)
Presenter: Omid Hemmatyar, Georgia Institute of Technology

Here, we experimentally demonstrate full color generation by a Fano-resonant all-dielectric metasurface (MS) consisting of HfO$_2$ nanopillars (NPs), for the first time to our knowledge, designed by a novel deep learning approach named dimensionality reduction.

Authors:Omid Hemmatyar/Georgia Institute of Technology Sajjad AbdollahRamezani/Georgia Institute of Technology Yashar Kiarashinejad/Georgia Institute of Technology Mohammadreza Zandehshahvar/Georgia Institute of Technology Ali Adibi/Georgia Institute of Technology

  Paper

13:00 - 15:00 (UTC - 00:00)

Symp: Understanding the Brain with Light (JW3P)
Presider: Emily Gibson, University of Colorado Denver

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Special Symposium
13:00 - 13:30
Advanced optical microscopy for high spatiotemporal resolution in vivo brain imaging (JW3P.1)
Presenter: Na Ji, University of California Berkeley

Optical microscopy is an ideal tool to monitor neural activity in vivo. I will discuss how we use advanced concepts in optics to develop next-generation microscopy methods for imaging the brain at high spatiotemporal resolution.

Authors:Na Ji/University of California Berkeley


Invited
  Paper
13:30 - 14:00
Computational Microscopes for In Vivo Brain Imaging (JW3P.2)
Presenter: Kaspar Podgorski, Howard Hughes Medical Institute

We use compressive sensing, optimization, and closed-loop control principles to create high speed microscopes for recording activity from neurons and synapses in the brains of model organisms.

Authors:Kaspar Podgorski/Howard Hughes Medical Institute


Invited
  Paper
14:00 - 14:15
Video-rate three-photon imaging of awake mouse brain (JW3P.3)
Presenter: Bo Li, Cornell University

We demonstrate three-photon imaging of brain activity in awake mice, achieving 30 frames/s at 512x512 pixels per frame and 620x620 µm field-of-view (FOV) at 750 µm depth.

Authors:Bo Li/Cornell University chunyan wu/Cornell University Mengran Wang/Cornell University Kriti Charan/Cornell University Chris Xu/Cornell University

  Paper
14:15 - 14:30
CAMERA-ARRAY 25-PLANE MULTIFOCUS MICROSCOPE FOR ULTRAFAST LIVE 3D IMAGING (JW3P.4)
Presenter: Eduardo Hirata-Miyasaki, University of California Santa Cruz

We demonstrate an ultrafast Multifocus 25-camera-array microscope (M25) for truly simultaneous 3D imaging of 25 focal planes of a living specimen. Customized for functional neural circuit imaging, our M25 prototype captures 130×130×50um3 volumes at >100Hz

Authors:Eduardo Hirata-Miyasaki/University of California Santa Cruz Gustav Pettersson/University of California Santa Cruz Khant Zaw/University of California Santa Cruz Demis John/UCSB Nanofabrication Facility Brian Thibeault/UCSB Nanofabrication Facility Brandon Lynch/University of California Santa Cruz Juliana Hernandez/University of California Santa Cruz Sara Abrahamsson/University of California Santa Cruz

  Paper
14:30 - 15:00
Illuminating neural coding with sculpted wavefronts (JW3P.5)
Presenter: Shy Shoham, NYU Langone Health

We present methodological and conceptual advances in applying multiphoton light sculpting towards precise optogenetic probing of neural coding. Our approach highlights behavioral readout, manipulating physical parameters and in-situ evaluation towards illuminating the brain’s computational strategies.

Authors:Shy Shoham/NYU Langone Health Gilad Lerman/NYU Langone Health Jonathan Gill/NYU Langone Health Dmitry Rinberg/NYU Langone Health


Invited
  Paper

ATTR: Artificial Intelligence for Photonics Imaging and Sensing (AW3T)
Presider: Yasha Yi, University of Michigan

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13:00 - 13:30
Deep learning based computational biomedical microscopy with uncertainty quantification (AW3T.1)
Presenter: Lei Tian, Boston University

I will present several deep learning based computational microscopy techniques including phase microscopy and imaging oximetry. Emphasis will be put on an uncertainty quantification framework for assessing the reliability of these techniques.

Authors:Lei Tian/Boston University Yujia Xue/Boston University Shiyi Cheng/Boston University Yunzhe Li/Boston University Ji Yi/Boston University


Invited
  Paper
13:30 - 14:00
Translation of Applied Research on Artificial Intelligence in Medical Imaging (AW3T.2)
Presenter: Daguang Xu, NVIDIA Corporation

This talk shall briefly summarize the major research topics on artificial intelligence in medical imaging recently. It will also cover some research results produced in NVIDIA and how they have been applied to NVIDIA’s products.

Authors:Daguang Xu/NVIDIA Corporation


Invited
14:00 - 14:15
High-Speed Multiplexed Vibrational Imaging by Femtosecond Stimulated Raman Scattering and Deep Learning (AW3T.3)
Presenter: Jing Zhang, Boston University

High-speed chemical imaging is achieved by combining femtosecond pulse stimulated Raman scattering with deep learning. Speed is improved by ~60 times with four sub-cellular organelles (lipid droplets, endoplasmic reticulum, nuclei, cytoplasm) classified in MiaPaCa2 cells.

Authors:Jing Zhang/Boston University Haonan Lin/Boston University Jian Zhao/Boston University Yuying Tan/Boston University Ji-Xin Cheng/Boston University

  Paper
14:15 - 14:30
Deep Learning Structured Illumination Microscopy (AW3T.4)
Presenter: Doron Shterman, Technion - Israel Institute of Technology

We propose a Deep Learning (DL) framework for reconstructing super-resolved images in structured illumination microscopy, which reduces the amount of raw data required for the reconstruction and allows real-time super resolution imaging

Authors:Doron Shterman/Technion - Israel Institute of Technology Gilad Feinberg/Technion - Israel Institute of Technology Shai Tsesses/Technion - Israel Institute of Technology yochai blau/Technion - Israel Institute of Technology Guy Bartal/Technion - Israel Institute of Technology

  Paper
14:30 - 14:45
Automated Screening of Sickle Cells Using a Smartphone-Based Microscope and Deep Learning (AW3T.5)
Presenter: Kevin de Haan, University of California Los Angeles

We present a deep learning-based framework for performing automatic screening of sickle cells using a smartphone-based microscope. We achieved 98% accuracy when blindly testing 96 human blood smear slides, including 32 with sickle cell disease.

Authors:Kevin de Haan/University of California Los Angeles Hatice Ceylan Koydemir/University of California Los Angeles Yair Rivenson/University of California Los Angeles Derek Tseng/University of California Los Angeles Elizabeth Van Dyne/University of California Los Angeles Lissette Bakic/University of California Los Angeles Doruk Karinca/University of California Los Angeles Kyle Liang/University of California Los Angeles Megha Ilango/University of California Los Angeles Esin Gumustekin/University of California Los Angeles Aydogan Ozcan/University of California Los Angeles

  Paper
14:45 - 15:00
Deep-Z: 3D Virtual Refocusing of Fluorescence Images Using Deep Learning (AW3T.6)
Presenter: Yichen Wu, University of California Los Angeles

We demonstrate a deep learning-based 3D virtual refocusing framework for fluorescence microscopy, which extends the imaging depth-of-field by 20-fold and corrects various aberrations, all digitally performed after a 2D image of the sample is captured.

Authors:Yichen Wu/University of California Los Angeles Yair Rivenson/University of California Los Angeles Hongda Wang/University of California Los Angeles Yilin Luo/University of California Los Angeles Eyal Ben-David/University of California Los Angeles Laurent Bentolila/University of California Los Angeles Christian Pritz/Hebrew University of Jerusalem Aydogan Ozcan/University of California Los Angeles

  Paper

ATTR: Optics and Photonics for Precision Agriculture I (AW3K)
Presider: Joachim Sacher

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13:00 - 13:30
(Withdrawn) Raman Spectroscopy in Agriculture (AW3K.1)
Presenter: Malgorzata Baranska, Jagiellonian University

TBD

Authors:Malgorzata Baranska/Jagiellonian University


Invited
13:30 - 14:00
Farm to Table: Applications for New Hyperspectral Imaging Technologies in Precision Agriculture, Food Quality and Safety (AW3K.2)
Presenter: Alex Fong, TruTag Technologies Inc

Hyperspectral imagers can be deployed in a number of locations in the food supply chain. From laboratory studies of plant genomics, to drones measuring crop health in the field, to inline or end-of-line positioning in process facilities. In the quality assurance, the additional spectral and spatial information provided by hyperspectral imaging can be utilized by food processors to provide details of chemical and structural composition previously not discernible yielding value in several areas.


Authors:Alex Fong/TruTag Technologies Inc George Shu/HinaLea Imaging Barry McDonogh/TruTag Technologies Inc


Invited
  Paper
14:00 - 14:30
Addressing the Challenges of Agriculture and Food Distribution System through Photonics (AW3K.3)
Presenter: Aparajita Bandyopadhyay, Indian Institute of Technology Delhi

Modern-day agriculture and food distribution across the world are complex and diverse. With increasing demands of food-water-land; push to conserve resources and minimize wastage; photonic tools are being explored to analyse these intricate dynamics.

Authors:Aparajita Bandyopadhyay/Indian Institute of Technology Delhi


Invited
14:30 - 14:45
Miniaturized QEPAS Detector Concept for Methane (AW3K.4)
Presenter: Herve Tatenguem Fankem, Sacher Lasertechnik GmbH

QEPAS enables very compact detectors due to the small detection volume. Currently limitations originate from bulky control electronics, like lock-in amplifiers. We report on reducing size and energy of FPGA based devices and their application in methane detection.

Authors:Herve Tatenguem Fankem/Sacher Lasertechnik GmbH Amrita Devi Josnan/Sacher Lasertechnik GmbH Tobias Milde/Sacher Lasertechnik GmbH Morten Hoppe/Sacher Lasertechnik GmbH Joachim Sacher/Sacher Lasertechnik GmbH

  Paper
14:45 - 15:00
Fully room temperature bio-sensing using active microdisk fabricated by ink-jet printing method (AW3K.5)
Presenter: Abdul Nasir, Kyushu University

Fluorinated hyper branched polymer based active microdisk was fabricated by ink-jet printing method. The carboxyl functional group of the polymer was used for the biotinylation of microdisk and then adsorption characteristics of avidin were evaluated.

Authors:Abdul Nasir/Kyushu University Yuya Mikami/Kyushu University Taku Takagishi/Kyushu University Rui Yatabe/Kyushu University Hiroaki Yoshioka/Kyushu University Nilesh J Vasa/Indian Institute of Technology Madras Yuji Oki/Kyushu University

  Paper

Attosecond Dynamics in Gases (FW3D)
Presider: Julia Mikhailova

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13:00 - 13:30
(Withdrawn) Attoclock experiments on atomic and molecular hydrogen: tunnelling time and electron correlations (FW3D.1)
Presenter: Igor Litvinyuk, Griffith University

We performed attoclock experiments on atomic and molecular hydrogen. For H we put an upper limit of 2 attoseconds on electron tunneling time. For H2 we studied dependence of electron offset angle on molecular orientation.

Authors:U. Satya Sainadh/Griffith University Han Xu/Griffith University Xiaoshan Wang/Griffith University Atia Atia-Tul-Noor/Griffith University William Wallace/Griffith University Nicolas Douget/University of Central Florida Alexander Bray/Australian National University Igor Ivanov/Institute for Basic Sciences Klaus Bartschat/Drake University Anatoli Kheifets/Australian National University Robert Sang/Griffith University Igor Litvinyuk/Griffith University


Invited
13:30 - 13:45
Time delays from one-photon transitions in the continuum (FW3D.2)
Presenter: Jaco Fuchs, ETH Zurich

We experimentally resolve the time delay of electron wave packets arising from one-photon transitions in the continuum. This allows us to determine and quantify the angular momentum dependence of the photoionization time delay.

Authors:Jaco Fuchs/ETH Zurich Nicolas Douguet/University of Central Florida Stefan Donsa/Vienna University of Technology Fernando Martin/Universidad Autónoma de Madrid Joachim Burgdörfer/Vienna University of Technology Luca Argenti/University of Central Florida Laura Cattaneo/ETH Zurich Ursula Keller/ETH Zurich

  Paper
13:45 - 14:00
Control of electron recollision and molecular nonsequential double ionization (FW3D.3)
Presenter: Marcos Dantus, Michigan State University

Control of electron recollision and molecular nonsequential double ionization via pulse shaping was obtained on ethane. A model based on sudden jump in driving frequency is found to be in excellent agreement with experimental results.

Authors:Shuai Li/Michigan State University Diego Sierra-Costa/Michigan State University Matthew Michie/Michigan State University Itzik Ben-Itzhak/J. R. Macdonald Laboratory Marcos Dantus/Michigan State University

  Paper
14:00 - 14:15
On the Quantum-Optical Nature of High Harmonic Generation (FW3D.4)
Presenter: Alexey Gorlach, Technion

We show novel effects in high harmonic generation arising from the quantum nature of light. These effects include multiple shifted combs of high harmonics, where each photon carries all the spectral information of the combs.

Authors:Alexey Gorlach/Technion Ofer Neufeld/Technion Nicholas Rivera/Massachusetts Institute of Technology Oren Cohen/Technion Ido Kaminer/Technion

  Paper
14:15 - 14:30
(Withdrawn) Sub-Cycle Time Resolution of Multi-Photon Momentum Transfer in Strong-Field Ionization (FW3D.5)
Presenter: Benjamin Willenberg, ETH Zurich

We experimentally demonstrate that the transfer of photon linear momentum is a sub-cycle time-dependent process. This observation is explained by a semi-classical free-electron-model in a laser field, extended by parent-ion-interaction and time-dependent initial momentum shift.

Authors:Benjamin Willenberg/ETH Zurich Jochen Maurer/ETH Zurich Benedikt Mayer/ETH Zurich Ursula Keller/ETH Zurich

14:30 - 14:45
Attosecond streaking of parametrically amplified and synthesized waveforms. (FW3D.6)
Presenter: Fabian Scheiba, Deutsches Elektronen-Synchrotron (DESY)

We demonstrate attosecond streaking with a parametric waveform synthesizer.
The characterization demonstrates the excellent pulse-to-pulse stability and versatile waveform
shaping at subcycle pulse durations, allowing for the direct generation of isolated
attosecond pulses.

Authors:Fabian Scheiba/Deutsches Elektronen-Synchrotron (DESY) Yudong Yang/Deutsches Elektronen-Synchrotron (DESY) Giulio Maria Rossi/Deutsches Elektronen-Synchrotron (DESY) Roland E. Mainz/Deutsches Elektronen-Synchrotron (DESY) Miguel Angel Silva-Toledo/Deutsches Elektronen-Synchrotron (DESY) Phillip D. Keathley/Massachusetts Institute of Technology (MIT) Giovanni Cirmi/Deutsches Elektronen-Synchrotron (DESY) Franz KÄRTNER/Deutsches Elektronen-Synchrotron (DESY)

  Paper
14:45 - 15:00
Polarimetry of a Single-Order Circularly Polarized High Harmonic Separated by a Time-Delay Compensated Monochromator (FW3D.7)
Presenter: Taro Sekikawa, Hokkaido University

Polarization of single-order circularly polarized high harmonic is characterized after the separation by a time-delay compensated monochromator. The ellipticity introduced by the anisotropy of the toroidal gratings in diffraction is evaluated.

Authors:Kengo Ito/Hokkaido University Eisuke Haraguchi/Hokkaido University Keisuke Kaneshima/Hokkaido University Taro Sekikawa/Hokkaido University

  Paper

Ultrafast Phenomena (SW3H)
Presider: Ticijana Ban, Institut za Fiziku

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13:00 - 13:15
Noise Effect and Stability of Deep-UV Gas-filled Fiber Lasers Pumped with Ultrafast Mid-IR Pulses (SW3H.1)
Presenter: ABUBAKAR ISA ADAMU, Technical University Of Denmark

Noise and spectral stability of dispersive waves generated in an argon-filled hollow-core fiber pumped with 2.4 μm ultrafast pulses is presented. Long-term stability and pulse-to-pulse relative intensity noise of the strongest dispersive wave at 275 nm is shown.

Authors:ABUBAKAR ISA ADAMU/Technical University Of Denmark Md. Selim Habib/Florida Polytechnic University, FL-33805, USA Callum Smith/Technical University Of Denmark Jose Enrique Antonio-Lopez/University of Central Florida, Orlando, FL-32816, USA Peter Uhd Jepsen/Technical University Of Denmark Rodrigo Amezcua Correa/University of Central Florida, Orlando, FL-32816, USA Ole Bang/Technical University Of Denmark Christos Markos/Technical University Of Denmark

  Paper
13:15 - 13:30
Thermal Effects in Molecular Gas-Filled Hollow-Core Fibers (SW3H.2)
Presenter: Nrisimhamurty Madugula, University of Central Florida

Molecular gas-filled hollow-core fibers are attractive for pulse compression of Yb lasers. Here, we show that rotational heating prevents efficient spectral broadening at high average powers and find that buffer-gas cooling can mitigate this effect.

Authors:Nrisimhamurty Madugula/University of Central Florida John Beetar/University of Central Florida Yangyang Liu/University of Central Florida Michael Chini/University of Central Florida

  Paper
13:30 - 13:45
Spectral Broadening of Femtosecond UV Pulses in Air-filled Hollow-Core Photonic Crystal Fiber (SW3H.3)
Presenter: Jie Luan, Max Planck Institute for the Science of Light

Air-filled kagomé-type photonic crystal fiber pumped by 40-fs pulses at 400 nm produces a spectrum with several nitrogen-related Raman bands that is broad enough to support transform-limited 7 fs pulses in the UV.

Authors:Jie Luan/Max Planck Institute for the Science of Light David Novoa/Max Planck Institute for the Science of Light Philip Russell/Max Planck Institute for the Science of Light

  Paper
13:45 - 14:00
Broadband Ultraviolet Generation with 50% Conversion Efficiency in Hollow Capillary Fibers (SW3H.4)
Presenter: Federico Belli, Heriot-Watt University

We demonstrate broadband wavelength up-conversion (240-320nm) based on a seeded four-wave mixing scheme in gas-filled stretched hollow-capillary fibers with 50% conversion efficiency. Our technique is scalable in energy from the nJ to mJ level

Authors:Federico Belli/Heriot-Watt University Athanasios Lekosiotis/Heriot-Watt University John Travers/Heriot-Watt University

  Paper
14:00 - 14:30
High-order Harmonic Generation in Femtosecond Laser Micromachined Devices for Ultrafast X-ray Spectroscopy (SW3H.5)
Presenter: Caterina Vozzi, IFN-CNR

We demonstrate efficient high-order harmonic generation in fused-silica chips fabricated by femtosecond laser micromachining. This work provides a route toward the miniaturization of HHG beamlines and the implementation of X-ray spectroscopy with attosecond temporal resolution.

Authors:Anna Ciriolo/IFN-CNR Rebeca Martínez Vázquez/IFN-CNR Valer Tosa/National Institute for Research and Development of Isotopic and Molecular Technologies Aldo Frezzotti/Politecnico di Milano Eugenio Cinquanta/IFN-CNR Gabriele Crippa/Politecnico di Milano Michele Devetta/IFN-CNR Roberto Osellame/IFN-CNR Salvatore Stagira/Politecnico di Milano Caterina Vozzi/IFN-CNR


Invited
  Paper
14:30 - 14:45
Trains and Isolated Attosecond Pulses at 100 kHz (SW3H.6)
Presenter: Federico Furch, Max Born Institute

We report on the generation and characterization of trains and isolated attosecond pulses at a repetition rate of 100 kHz. This system will be utilized for attosecond pump-probe spectroscopy studies with electron-ion coincidence detection.

Authors:Federico Furch/Max Born Institute Tobias Witting/Max Born Institute Mikhail Osolodkov/Max Born Institute Felix Schell/Max Born Institute Carmen Menoni/Colorado State University Claus P. Schulz/Max Born Institute Marc J. J. Vrakking/Max Born Institute

  Paper
14:45 - 15:00
Role of Van Hove singularities on high harmonic generation in solids by high power mid-IR pulses (SW3H.7)
Presenter: Tsuneto Kanai, Max Planck Center for Attosecond Science

We generate high harmonics in polycrystalline and monocrystalline ZnSe with a high-power mid-IR optical parametric amplifier. By using its high photon flux and wavelength tunability, novel paths based on Van Hove singularities were observed.

Authors:Tsuneto Kanai/Max Planck Center for Attosecond Science Yeon Lee/Max Planck Center for Attosecond Science Dong Kim/Max Planck Center for Attosecond Science

  Paper

Tunable Nanophotonics (FW3Q)
Presider: Amit Agrawal, National Inst of Standards & Technology

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13:00 - 14:00
Design of Tunable Nanophotonic Devices (FW3Q.1)
Presenter: Harry Atwater, California Institute of Technology

This tutorial addresses design of tunable nanophotonic arrays, enabling dynamic, active control of the properties of light – amplitude, phase, wavevector, wavelength and polarization – opening new applications such as optical beam steering, focusing and wavefront engineering.
Harry Atwater is the Howard Hughes Professor of Applied Physics and Materials Science at the California Institute of Technology. His scientific interests span nanophotonic light-matter interactions and solar energy conversion. Atwater was an early pioneer in nanophotonics and plasmonics; he gave the name to the field of plasmonics in 2001.

Authors:Harry Atwater/California Institute of Technology


Tutorial
  Paper
14:00 - 14:15
Mixed Eletro-optic Metasurface with a Hybrid Plasmonic-phase-change Material Architecture (FW3Q.2)
Presenter: Omid Hemmatyar, Georgia Institute of Technology

We demonstrate an electro-optically reconfigurable hybrid metasurface platform formed by integration of plasmonic nanostructures with phase-change materials to effectively modulate the incident light over a broad range of wavelengths in the telecommunication window.

Authors:Omid Hemmatyar/Georgia Institute of Technology Sajjad Abdollahramezani/Georgia Institute of Technology Hossein Taghinejad/Georgia Institute of Technology Ali Adibi/Georgia Institute of Technology

  Paper
14:15 - 14:30
Dynamic Beam Steering by All-Dielectric Magneto-Optical Nanoantennas (FW3Q.3)
Presenter: Ihar Faniayeu, University of Gothenburg

We propose employing a magneto-optical nanoantenna that allows transmitted optical beam steering. The proposed nanoantenna produces a few degrees spanning of the optical beam propagation direction, controlled by the strength of the external magnetic field.

Authors:Ihar Faniayeu/University of Gothenburg Alexander Dmitriev/University of Gothenburg

  Paper
14:30 - 14:45
(Withdrawn) Tunable metasurface and Tamm plasmon polaritons with liquid crystals (FW3Q.4)
Presenter: Jhen-Hong Yang, National Chiao Tung University, Taiwan

Liquid crystal based metasurface would be a potential candidate in the tunable planar nanophotonics devices. In this work, the tunable metasurfaces with the functions of beam steering, color pixels, and resonance bandwidth are presented.

Authors:Jhen-Hong Yang/National Chiao Tung University, Taiwan Kuo-Ping Chen/National Chiao Tung University, Taiwan

14:45 - 15:00
Electrically programmable phased-array antenna using phase-change materials (FW3Q.5)
Presenter: Sajjad AbdollahRamezani, Georgia Institute of Technology

We present an electrically tunable metasurface as an optical phased array antenna by employing a deep learning approach to intelligently design hybrid phasechange/ plasmonic materials-based meta-atoms spatially adding 0 and p phase-shift while minimize reflectance variation.

Authors:Sajjad AbdollahRamezani/Georgia Institute of Technology Yashar Kiarashinejad/Georgia Institute of Technology Omid Hemmatyar/Georgia Institute of Technology Mohammadreza Zandehshahvar/Georgia Institute of Technology Ali Adibi/Georgia Institute of Technology

  Paper

Topological Photonics I (FW3A)
Presider: Andrea Blanco-Redondo, Nokia Bell Labs

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13:00 - 13:30
Topological Haldane Lattice (FW3A.1)
Presenter: Yuzhou Liu, University of Southern California

We report on the first demonstration of topological Haldane lattice, also known as quantum anomalous Hall effect, in a photonic setting using active microring structures.

Authors:Yuzhou Liu/University of Southern California Pawel Jung/University of Central Florida, CREOL Midya Parto/University of Central Florida, CREOL William Hayenga/University of Southern California Demetrios Christodoulides/University of Central Florida, CREOL Mercedeh Khajavikhan/University of Southern California

  Paper
13:30 - 13:45
Experimentally Realizing Photonic Topological Edge States in 3D
(FW3A.2)

Presenter: Eran Lustig, Technion Israel Institute of Technology

<div style="direction: ltr;">We demonstrate photonic structures, which support topological edge-states propagating in 3D. The robust edge-states propagate in a screw motion in a 3D topological insulator with two spatial dimensions and one synthetic dimension.</div>

Authors:Eran Lustig/Technion Israel Institute of Technology Lukas Maczewsky/Institut für Physik, Universität Rostock Tobias Biesenthal/Institut für Physik, Universität Rostock Zhaoju Yang/Technion Israel Institute of Technology Yonatan Plotnik/Technion Israel Institute of Technology Alexander Szameit/Institut für Physik, Universität Rostock Mordechai Segev/Technion Israel Institute of Technology

  Paper
13:45 - 14:00
Topological Behaviors in Networks of Time-Multiplexed Optical Resonators (FW3A.3)
Presenter: Christian Leefmans, California Institute of Technology

We observe topological phenomena in coupled, time-multiplexed optical resonators by mapping topologically nontrivial energy spectra to the network’s loss. We detect topological edge states and reconstruct the band structures of noninteracting tight-binding Hamiltonians.

Authors:Christian Leefmans/California Institute of Technology Avik Dutt/Stanford University James Williams/Northwestern University Luqi Yuan/Shanghai Jiao Tong University Shanhui Fan/Stanford University Alireza Marandi/California Institute of Technology

  Paper
14:00 - 14:15
Generation of Topological Space-Time Non-Separable Light Pulses (FW3A.4)
Presenter: Apostolos Zdagkas, ORC, University of Southampton

We report the generation of space-time non-separable toroidal pulses of complex topological structure. Such pulses, a formation of singularities propagating in free space, are ideal probes for toroidal and anapole modes in matter.

Authors:Apostolos Zdagkas/ORC, University of Southampton Yaonan Hou/ORC, University of Southampton Vassili Savinov/ORC, University of Southampton Huifang Zhang/ORC, University of Southampton Oleksandr Buchnev/ORC, University of Southampton Nikitas Papasimakis/ORC, University of Southampton Nikolay Zheludev/ORC, University of Southampton

  Paper
14:15 - 14:30
Experimental observation of braiding topological zero modes in a photonic waveguide array (FW3A.5)
Presenter: Jiho Noh, Pennsylvania State University

We demonstrate a non-trivial Berry phase that originates from braiding topological defects in a photonic waveguide array. The non-zero Berry phase implies that braiding operations involving the defects are non-Abelian.

Authors:Jiho Noh/Pennsylvania State University Thomas Schuster/University of California, Berkeley Thomas Iadecola/Iowa State University Sheng Huang/University of Pittsburgh Mohan Wang/University of Pittsburgh Kevin Chen/University of Pittsburgh Claudio Chamon/Boston University Mikael Rechtsman/Pennsylvania State University

  Paper
14:30 - 14:45
Universal conversion of topological singularities from momentum to real space (FW3A.6)
Presenter: Shiqi Xia, Teda College of Nankai University

We demonstrate universal conversion of topological singularities in momentum-space (Dirac points) to topological defects in real-space (optical vortices). We show that this conversion persists even in stretched lattices, topologically protected by a quantized Berry phase.

Authors:Xiuying Liu/Teda College of Nankai University Shiqi Xia/Teda College of Nankai University Ema Jajtić/University of Zagreb Daohong song/Teda College of Nankai University Denghui Li/Teda College of Nankai University Liqin Tang/Teda College of Nankai University Daniel Leykam/Institute for Basic Science Jingjun Xu/Teda College of Nankai University Hrvoje Buljan/University of Zagreb Zhigang Chen/Teda College of Nankai University

  Paper
14:45 - 15:00
The non-Hermitian Skin Effect as Light Funnel (FW3A.7)
Presenter: Alexander Szameit, University of Rostock

Non-Hermiticity, induced by anisotropic coupling, makes the mode spectrum highly sensitive to the existence of boundaries. We demonstrate and exploit this behaviour experimentally in a photonic lattice to construct a light funnel.

Authors:Mark Kremer/University of Rostock Sebastian Weidemann/University of Rostock Tobias Helbig/Julius-Maximilians-University Tobias Hofmann/Julius-Maximilians-University Alexander Stegmaier/Julius-Maximilians-University Martin Greiter/Julius-Maximilians-University Ronny Thomale/Julius-Maximilians-University Alexander Szameit/University of Rostock

  Paper

Interaction of Strong Fields with Low Dimensional Materials (SW3G)
Presider: Nadezhda Bulgakova, HiLASE, Institute of Physics CAS

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13:00 - 13:30
Femtosecond Laser-induced Breakdown of Monolayer Two-dimensional Materials (SW3G.1)
Presenter: Tsing-Hua Her, Univ of North Carolina at Charlotte

Progress on single-shot femtosecond laser ablation of a variety of monolayer two-dimensional materials is reported. Various mechanisms leading towards to their dielectric breakdown are experimentally explored and numerically modeled.

Authors:Tsing-Hua Her/Univ of North Carolina at Charlotte Jole Solomon/Univ of North Carolina at Charlotte Sih-Hua chen/National Chiao Tung University Hsin-Yu Yao/National Tsing Hua University Li-Syuan Lu/National Chiao Tung University Joseph Obeid/Univ of North Carolina at Charlotte Yu-Chen Wu/National Chiao Tung University Sabeeh Ahmad/Univ of North Carolina at Charlotte Wen-Hao Chang/National Chiao Tung University Chih Wei Luo/National Chiao Tung University


Invited
  Paper
13:30 - 13:45
Abnormal Anisotropic Nonlinear Absorption in Bulk ReS2 Measured by Intensity-scan Method (SW3G.2)
Presenter: Yongjian Zhou, University of Texas at Austin

Polarization-dependent nonlinear absorption in bulk ReS2 is measured by Intensity-scan. Absorption under high peak power shows a transition from saturable absorption to reverse saturable absorption when rotating the polarization with respect to the b-axis.

Authors:Yongjian Zhou/University of Texas at Austin Xianghai Meng/University of Texas at Austin Yaguo Wang/University of Texas at Austin

  Paper
13:45 - 14:00
Long Range Polariton Hall Effect in Bloch Surface Waves WS2 Exciton Polaritons (SW3G.3)
Presenter: Mandeep Khatoniar, City University of New York

We demonstrate long range Hall like propagation features in a polariton fluid formed via coupling WS2 excitons to Bloch surface waves at room temperatures.

Authors:Mandeep Khatoniar/City University of New York Biswanath Chakraborty/City College of New York Nicholas Yama/University of Hawaii Vinod Menon/City University of New York

  Paper
14:00 - 14:15
Periodic Surface Functional Group Density on Graphene Induced by Pulsed Laser Patterning of SiO2/Si Substrate (SW3G.4)
Presenter: Inam Mirza, HiLASE Centre, Institute of Physics of the Czech Academy of Sciences

The periodic functionalization of graphene has been achieved by pulsed laser substrate patterning. Laser-induced ripples formed at Si/SiO2 interface periodically modulate the reactivity of the monolayer graphene via modulation of the doping density

Authors:Inam Mirza/HiLASE Centre, Institute of Physics of the Czech Academy of Sciences Karolina Drogowska/J. Heyrovsky Institute of Physical Chemistry of the Czech Academy of Sciences Álvaro Rodriguez/J. Heyrovsky Institute of Physical Chemistry of the Czech Academy of Sciences Petr Kovaríček/J. Heyrovsky Institute of Physical Chemistry of the Czech Academy of Sciences Juraj Sládek/HiLASE Centre, Institute of Physics of the Czech Academy of Sciences Thibault Derrien/HiLASE Centre, Institute of Physics of the Czech Academy of Sciences Mindaugas Gedvilas/Centre for Physical Sciences and Technology, Savanoriu Ave. 231, LT-02300 Gediminas Račiukaitis/Centre for Physical Sciences and Technology, Savanoriu Ave. 231, LT-02300 Nadezhda Bulgakova/HiLASE Centre, Institute of Physics of the Czech Academy of Sciences Martin Kalbáč/J. Heyrovsky Institute of Physical Chemistry of the Czech Academy of Sciences

  Paper
14:15 - 14:30
(Withdrawn) Polymeric microcavities incorporated with graphene oxide fabricated by two-photon polymerization (SW3G.5)
Presenter: Cleber Mendonca, USP - Instituto de Fisica de Sao Carlos

Polymeric microcavities (Q~104) doped with graphene oxide were fabricated. No Q-factor decrease was noticed upon doping, albeit smaller number of modes was observed. Also, graphene oxide layers were deposited on microcavities by laser-induced forward transfer.

Authors:Cleber Mendonca/USP - Instituto de Fisica de Sao Carlos Nathalia Tomazio/USP - Instituto de Fisica de Sao Carlos Kelly Paula/USP - Instituto de Fisica de Sao Carlos

14:30 - 14:45
Unravelling the role of trap states on carrier dynamics of WS2 quantum dots (SW3G.6)
Presenter: RIYANKA KARMAKAR, Indian Institute of Science Education and Research Bhopal

Here, we studied the intriguing optical properties of WS2 quantum dots by various time-resolved spectroscopic techniques to get a comprehensive understanding of spectral and dynamical characteristics, specifically, we show long-lived ~ 95 ps trap-state emission.

Authors:RIYANKA KARMAKAR/Indian Institute of Science Education and Research Bhopal Adarsh K V/Indian Institute of Science Education and Research Bhopal

  Paper
14:45 - 15:00
Observation of Nanoscale Opto-Mechanical Molecular Damping; Origin of Spectroscopic Contrast in Infrared Photo Induced Force Microscopy (SW3G.7)
Presenter: Mohammad Almajhadi, University of California Irvine

The contrast mechanism of infrared photoinduced force microscopy (IR-PiFM) for recording vibrational resonances is experimentally investigated. We show that spectroscopic contrast in IR-PiFM is mediated by opto-mechanical damping of the cantilever oscillation. © 2020 The Author(s)

Authors:Mohammad Almajhadi/University of California Irvine Syed Mohammad Ashab Uddin/University of California Irvine H. Kumar Wickramasinghe/University of California Irvine

  Paper

Microwave Photonics (SW3O)
Presider: Sungwon Chung, Neuralink Corporation

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13:00 - 13:15
Integrated Opto-Electronic Circulator for Radio-over-Fiber Links (SW3O.1)
Presenter: Sergio Pinna, University of California Santa Barbara

A silicon photonics integrated opto-electronic circulator for radio over fiber links is proposed and experimentally demonstrated. The device shows an isolation between optical ports above 20 dB over the 0-20 GHz range.

Authors:Sergio Pinna/University of California Santa Barbara Fabrizio Gambini/University of California Santa Barbara Jonathan Klamkin/University of California Santa Barbara

  Paper
13:15 - 13:30
On-Chip Dispersive Phase Filters for Photonic Signal Processing (SW3O.2)
Presenter: Saket Kaushal, Institut National de la Recherche Scientifique

We propose a dispersive phase filter design suitable for compact integration using waveguide Bragg gratings in silicon. On-chip 2x pulse repetition-rate multiplication of a 10-GHz pulse train by Talbot effect is experimentally demonstrated using this design.

Authors:Saket Kaushal/Institut National de la Recherche Scientifique Jose Azana/Institut National de la Recherche Scientifique

  Paper
13:30 - 13:45
Fully reconfigurable chip-based Brillouin microwave photonic multi-passband filter with high RF link gain (SW3O.3)
Presenter: Matthew Garrett, Instute of Photonics and Optical Sciences (IPOS)

Using a novel suppressed carrier phase modulation scheme, which increases RF gain for constant on-chip optical power, we demonstrate a microwave photonic filter with three independent passbands, low RF loss (-5dB) and deep out-of-band rejection.

Authors:Matthew Garrett/Instute of Photonics and Optical Sciences (IPOS) Yang Liu/Instute of Photonics and Optical Sciences (IPOS) Pan Ma/Laser Physics Centre Duk-Yong Choi/Laser Physics Centre Stephen Madden/Laser Physics Centre Benjamin Eggleton/Instute of Photonics and Optical Sciences (IPOS)

  Paper
13:45 - 14:00
Silicon Photonic Weights for Microwave Photonic Canceller (SW3O.4)
Presenter: Eric Blow, Princeton University

Demonstration of silicon integrated linear filter, comprised of tunable weights, implemented as the matched filter of a microwave photonic canceller. Achieving 34 dB of weighting and 20 dB of cancellation over 6 GHz operating range.

Authors:Eric Blow/Princeton University Chaoran Huang/Princeton University Zheng Liu/Princeton University Samuel Markoff/Princeton University Paul Prucnal/Princeton University

  Paper
14:00 - 14:30
Photonic Assisted Microwave Near-field Imager (SW3O.5)
Presenter: Farshid Ashtiani, University of Pennsylvania

The first nanophotonic near-field imager is reported that optically processes the received microwave signals to form a 121-pixel image. It achieves 4.8° spatial resolution and is significantly smaller and more power efficient than the all-electrical counterparts.

Authors:Farshid Ashtiani/University of Pennsylvania Firooz Aflatouni/University of Pennsylvania

  Paper
14:30 - 14:45
(Withdrawn) Frequency compensated uni-travelling carrier photoreceiver for 100 Gbaud IM-DD communications (SW3O.6)
Presenter: Toshimasa Umezawa, National Inst of Information & Comm Tech

We present a frequency compensated uni-traveling-carrier photoreceiver using an LC resonance technique for 100 Gbaud intensity-modulation direct-detection communications. Then, the great advantage for the frequency response and the bit error rate will be discussed.

Authors:Toshimasa Umezawa/National Inst of Information & Comm Tech Atsushi Kanno/National Inst of Information & Comm Tech Atsushi Matsumoto/National Inst of Information & Comm Tech Kouichi Akahane/National Inst of Information & Comm Tech Naokatsu Yamamoto/National Inst of Information & Comm Tech Tetsuya Kawanishi/Waseda University

14:45 - 15:00
(Withdrawn) Microwave Doppler Frequency Shift Measurement based on an Integrated Silicon Six-Port Receiver (SW3O.7)
Presenter: Zhenzhou Tang, Nanjing Univ Aeronautics & Astronautics

A microwave Doppler-frequency-shift (DFS) measurement system based on an integrated silicon six-port receiver is proposed. A DFS measurement over a range ±100 kHz with a measurement error lower than ±6 Hz is realized.

Authors:Zhenzhou Tang/Nanjing Univ Aeronautics & Astronautics Jing Zhang/ghent university Zhengqian He/Nanjing Univ Aeronautics & Astronautics Shilong Pan/Nanjing Univ Aeronautics & Astronautics Gunther Roelkens/ghent university Dries Van Thourhout/ghent university


Frequency Combs I (SW3J)
Presider: Daron Westly, NIST

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13:00 - 13:30
Interleaved difference-frequency-generation for mid-infrared microcomb spectral densification (SW3J.1)
Presenter: Chengying Bao, Caltech

Generation of mid-infrared combs (3.3 micron band) with GigaHertz line spacing is demonstrated by interleaved difference-frequency-generation. The method, applied to a 22 GHz repetition-rate microcomb, is useful for spectral densification of sparse microcomb spectra.

Authors:Chengying Bao/Caltech Zhiquan Yuan/Caltech Heming Wang/Caltech LUE WU/Caltech Boqiang Shen/Caltech Keeyoon Sung/JPL Stephanie Leifer/JPL Qiang Lin/University of Rochester Kerry Vahala/Caltech

  Paper
13:30 - 13:45
Electrically Operated Integrated Optical Dual-Comb Source Based on Microresonators (SW3J.2)
Presenter: Sergey Koptyaev, Samsung R&D Institute Russia

We demonstrate for the first time the compact optical dual-comb source based on high-Q integrated microresonators pumped by semiconductor Fabry-Pérot laser diodes. This demonstration provides a route to fully integrated spectrometer of high-volume fabrication.

Authors:Alexander Gorodnitskiy/Russian Quantum Center Andrey Voloshin/Russian Quantum Center Sergey Koptyaev/Samsung R&D Institute Russia Maxim Ryabko/Samsung R&D Institute Russia Sofya Agafonova/Russian Quantum Center Igor Bilenko/Russian Quantum Center Stas Polonsky/Samsung R&D Institute Russia

  Paper
13:45 - 14:00
Generation of a dissipative Kerr-microresonator soliton comb pumped by a MHz linewidth DFB laser (SW3J.3)
Presenter: Kenji Nishimoto, Tokushima University

We generate a dissipative Kerr-microresonator soliton comb pumped by a MHz linewidth distributed feedback laser. The phase noise of a soliton comb mode and the timing jitter of the soliton comb are also measured.

Authors:Kenji Nishimoto/Tokushima University Kaoru Minoshima/University of Electro-Communications Takeshi Yasui/Tokushima University Naoya Kuse/Tokushima University

  Paper
14:00 - 14:15
Dynamics of Soliton Microcomb Self-Injection Locking in a Silicon Nitride Microresonator (SW3J.4)
Presenter: Andrey Voloshin, Russian Quantum Center

We demonstrate a chip-scale 30 GHz single soliton microcomb based on DFB laser locked to a Si3N4 microresonator. We propose novel theoretical and experimental approaches to explain dynamics of self-injection locking, modified by Kerr nonlinearity.

Authors:Andrey Voloshin/Russian Quantum Center Junqiu Liu/Swiss Federal Institute of Technology Lausanne (EPFL) Nikita Kondratiev/Russian Quantum Center Grigory Lihachev/Swiss Federal Institute of Technology Lausanne (EPFL) Tobias Kippenberg/Swiss Federal Institute of Technology Lausanne (EPFL) Igor Bilenko/Russian Quantum Center

  Paper
14:15 - 14:30
Post-Fabrication Trimming of Microresonator Frequency Combs for Visible Optical Atomic Clocks (SW3J.5)
Presenter: Gregory Moille, National Institute of Standards and Technology

We study broadband Si$_3$N$_4$ microresonator frequency combs aimed at addressing atomic transitions in the visible. Using an air-clad system, we show how post-process trimming enables tuning of the dispersive wave position to wavelengths below 700~nm.

Authors:Gregory Moille/National Institute of Standards and Technology Xiyuan Lu/National Institute of Standards and Technology Ashutosh Rao/National Institute of Standards and Technology Daron Westly/National Institute of Standards and Technology Kartik Srinivasan/National Institute of Standards and Technology

  Paper
14:30 - 14:45
Ultra-Low Threshold Broadband Soliton Frequency Comb Generation (SW3J.6)
Presenter: Xingchen Ji, Columbia University

We measure a record-low threshold power of 84 μW for parametric oscillation using resonators with intrinsic Q of 31.8±4.4 million and demonstrate a broadband single soliton comb spectrum spanning 1097 nm-2040 nm. The resonator compact profile is designed to minimize higher order modes excitation.

Authors:Xingchen Ji/Columbia University Jae Jang/Columbia University Utsav Dave/Columbia University Chaitanya Joshi/Columbia University Mateus Corato-Zanarella/Columbia University Alexander Gaeta/Columbia University Michal Lipson/Columbia University

  Paper
14:45 - 15:00
On-chip Q-factor Greater than 1 Billion (SW3J.7)
Presenter: LUE WU, California Institute of Technology

A record Q-factor of 1.1 billion is demonstrated in on-chip silica whispering-gallery resonators. Using the devices, sub-milliwatt parametric oscillation threshold is measured in 9 GHz free-spectral-range devices.

Authors:LUE WU/California Institute of Technology Heming Wang/California Institute of Technology Qifan Yang/California Institute of Technology maodong gao/California Institute of Technology Qing-Xin Ji/California Institute of Technology Boqiang Shen/California Institute of Technology Chengying Bao/California Institute of Technology Kerry Vahala/California Institute of Technology

  Paper

Optical Networks (SW3L)
Presider: Mihaela Dinu, LGS Innovations LLC

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13:00 - 14:00
Towards cognitive management and performance monitoring in coherent optical networks (SW3L.1)
Presenter: Christine Tremblay, École de technologie supérieure

In this tutorial, we review cognitive management and performance monitoring methods based on machine learning for addressing important challenges such as quality of transmission estimation, performance prediction and failure detection in coherent optical networks.
Christine Tremblay joined the École de technologie supérieure as Professor in 2004 after 14 years in the photonics industry. Founder and Head of the Network Technology Lab, her team pioneered the research in filterless optical networking. Her research interests include performance monitoring and machine learning for optical networking applications.

Authors:Christine Tremblay/École de technologie supérieure


Tutorial
  Paper
14:00 - 14:15
Real-Time Monitoring of the Impact of Cascaded Wavelength-Selective Switches in Digital Coherent Receivers (SW3L.2)
Presenter: Gabriella Bosco, Politecnico di Torino

A simple real-time monitoring algorithm for the impact of cascaded WSSs in elastic optical networks, which exploits the information available in a digital coherent receiver, is proposed and demonstrated through both numerical simulations and experiments.

Authors:Dario Pilori/Politecnico di Torino Antonino Nespola/LINKS Foundation Fabrizio Forghieri/Cisco Photonics Italy Stefano Piciaccia/Cisco Photonics Italy Gabriella Bosco/Politecnico di Torino

  Paper
14:15 - 14:30
Experimental Demonstration of a 4D PDL-resilient Signaling for Long-haul Networks (SW3L.3)
Presenter: Arnaud Dumenil, Nokia Bell Labs

We experimentally demonstrate improvement of the worst-case information rate using the New Spatially Balanced (NSB) signaling recently proposed for PDL mitigation. NSB-coded and dual-polarization QPSK formats are compared over a multi-span link with inline PDL.

Authors:Arnaud Dumenil/Nokia Bell Labs Elie Awwad/Nokia Bell Labs Cyril Measson/Nokia Bell Labs Dylan Le Gac/Nokia Bell Labs

  Paper
14:30 - 15:00
Progress and Challenges in bringing SDM Technologies to Optical Networks (SW3L.4)
Presenter: Werner Klaus, NICT

Many technological challenges have to be overcome before a cost and energy efficient system based on SDM can be realized. In this talk I will discuss both recent efforts and challenges in making SDM practical.

Authors:Werner Klaus/NICT


Invited
  Paper

Inverse Design (FW3B)
Presider: Rajesh Menon, University of Utah

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13:00 - 13:15
Focusing on Bandwidth: Achromatic Metalens Limits (FW3B.1)
Presenter: Francesco Monticone, Cornell University

We derive fundamental bandwidth limits on achromatic optical metalenses, regardless of their implementation. Specifically, we discuss the product between achievable time delay and bandwidth, and apply well-established bounds on this product to a general focusing system.

Authors:Federico Presutti/Cornell University Francesco Monticone/Cornell University

  Paper
13:15 - 13:30
Inverse Designed Shape-Reconfigurable Multifunctional Photonics (FW3B.2)
Presenter: Gregory Roberts, California Institute of Tech

In this work, we design multifunctional nanophotonic devices with drastically switchable properties upon simple mechanical transformations. Inverse design for photonic and mechanical metamaterials can be combined to simultaneously optimize custom multifunctionality in both domains.

Authors:Philip Camayd-Munoz/California Institute of Tech Gregory Roberts/California Institute of Tech Conner Ballew/California Institute of Tech Max Debbas/California Institute of Tech Andrei Faraon/California Institute of Tech

  Paper
13:30 - 13:45
Achromatic Metalenses Based on Inverse-Designed Random Meta-Atoms (FW3B.3)
Presenter: Xiaojie Zhang, Penn State University

We present a new type of achromatic metalenses consisting of inversely designed random-shaped meta-atoms. The inverse design algorithm makes the designs not limited to human cognitive capabilities.

Authors:Xiaojie Zhang/Penn State University Haiyang Huang/Penn State University Xuexue Guo/Penn State University xingjie ni/Penn State University

  Paper
13:45 - 14:00
Array-Scale Inverse Design of Active Metasurfaces (FW3B.4)
Presenter: Prachi Thureja, California Institute of Technology

We develop an inverse design approach to optimize array architectures of reconfigurable metasurfaces and report dramatically improved beam steering performances with non-ideal antenna components. The versatility is enhanced by enabling continuous steering up to 70°.

Authors:Prachi Thureja/California Institute of Technology Ghazaleh Shirmanesh/California Institute of Technology Katherine Fountaine/Northrop Grumman NG Next Ruzan Sokhoyan/California Institute of Technology Meir Grajower/California Institute of Technology Harry Atwater/California Institute of Technology

  Paper
14:00 - 14:30
Optical Fourier Surfaces (FW3B.5)
Presenter: David Norris, ETH Zurich

Complex “wavy” surfaces cannot be easily fabricated, frustrating the design and implementation of sophisticated diffractive optics. We will discuss a simple but powerful approach that provides surfaces containing an arbitrary number of specified spatial frequencies.

Authors:David Norris/ETH Zurich


Invited
  Paper
14:30 - 14:45
Beam steering metasurfaces via inverse design (FW3B.6)
Presenter: Haejun Chung, Yale University

We numerically demonstrate state-of-the-art beam steering metasurfaces via inverse design, which show tunable steering angles ranging from 12° to 144° and switching efficiencies above 80%.

Authors:Haejun Chung/Yale University Owen Miller/Yale University

  Paper
14:45 - 15:00
Machine Learning-based Diffractive Imaging with Subwavelength Resolution (FW3B.7)
Presenter: Abantika Ghosh, University of Massachusetts Lowell

We report detection and characterization of wavelength-scale objects with subwavelength resolution by combining diffractive imaging and machine learning. The technique clarifies the information channels in the diffraction imaging and provides insight into machine learning processes.

Authors:Abantika Ghosh/University of Massachusetts Lowell Diane Roth/King's College London Luke Nicholls/King's College London Anatoly Zayats/King's College London Viktor Podolskiy/University of Massachusetts Lowell

  Paper

High-power Lasers (SW3E)
Presider: Lutz Winkelmann, DESY

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13:00 - 13:15
20 W, 2.0 mJ, sub-ps deep-ultraviolet laser at 258 nm (SW3E.1)
Presenter: Kun Liu, Nanyang Technological University

We report a 20W, 2.0mJ, 10kHz deep-ultraviolet laser at 258nm with a pulse duration of 665fs. To the best of our knowledge, this is the highest-power sub-ps 258nm solid-state laser reported to date.

Authors:Kun Liu/Nanyang Technological University Shizhen Qu/Nanyang Technological University Hao Li/Singapore Institute of Manufacturing Technology Qijie Wang/Nanyang Technological University Ying Zhang/Singapore Institute of Manufacturing Technology

  Paper
13:15 - 13:30
Nonlinear Crystals for Efficient High-Energy Fifth-Harmonic Generation of Near-IR Lasers (SW3E.2)
Presenter: Ildar Begishev, University of Rochester

The fifth harmonic (211 nm) of a pulsed, joule-class Nd:YLF laser has been generated with efficiency up to 30% in BBO, CLBO, and ADP crystals. Nonlinear absorption was demonstrated to be a major limiting factor.

Authors:Ildar Begishev/University of Rochester Vladimir Ivanov/University of Nevada Siddharth Patankar/Lawrence Livermore National Laboratory Philip Datte/Lawrence Livermore National Laboratory Steven Yang/Lawrence Livermore National Laboratory Jonathan Zuegel/University of Rochester Jake Bromage/University of Rochester

  Paper
13:30 - 13:45
The LCLS-II Photo-Injector Drive Laser System (SW3E.3)
Presenter: Sasha Gilevich, SLAC National Accelerator Lab

Abstract: We present the new drive laser system for the photo-injector of the LCLS-II XFEL at SLAC, including the first commissioning results and challenges encountered due to high power, high repetition rate ultraviolet laser operation.

Authors:Sasha Gilevich/SLAC National Accelerator Lab Shawn Alverson/SLAC National Accelerator Lab Sergio Carbajo/SLAC National Accelerator Lab Stefan Droste/SLAC National Accelerator Lab Steve Edstrom/SLAC National Accelerator Lab Alan Fry/SLAC National Accelerator Lab Michael Greenberg/SLAC National Accelerator Lab Randy Lemons/SLAC National Accelerator Lab Alan Miahnahri/SLAC National Accelerator Lab Wayne Polzin/SLAC National Accelerator Lab Sharon Vetter/SLAC National Accelerator Lab Feng Zhou/SLAC National Accelerator Lab

  Paper
13:45 - 14:00
High power cryogenic Yb:YLF regenerative amplifier (SW3E.4)
Presenter: Mikhail Pergament, Center for Free-Electron Laser Science, Deutsches Elektronen-Synchrotron DESY

We present a cryogenic Yb:YLF regenerative amplifier which can reach 70 W average power and 20 mJ output energy at 3.5 kHz operation. The output beam quality factor is better than 1.05 in both axes.

Authors:Mikhail Pergament/Center for Free-Electron Laser Science, Deutsches Elektronen-Synchrotron DESY Umit Demirbas/Center for Free-Electron Laser Science, Deutsches Elektronen-Synchrotron DESY Huseyin Cankaya/Center for Free-Electron Laser Science, Deutsches Elektronen-Synchrotron DESY Yi hua/Center for Free-Electron Laser Science, Deutsches Elektronen-Synchrotron DESY Jelto Thesinga/Center for Free-Electron Laser Science, Deutsches Elektronen-Synchrotron DESY Franz KÄRTNER/Center for Free-Electron Laser Science, Deutsches Elektronen-Synchrotron DESY

  Paper
14:00 - 14:15
Compact High-Power Ytterbium Thin-Disk Laser
Based on Kaleidoscopic Reflections of Pump
Radiation
(SW3E.5)

Presenter: Raoul-Amadeus Lorbeer, German Aerospace Center

We present a new pump geometry for compact thin disk lasers. Multi-pass pumping without
external pump optics is realized with a uniquely coated wedged laser medium. CW output
powers of 700 W are achieved.

Authors:Thomas Dekorsy/German Aerospace Center Benjamin Ewers/German Aerospace Center Raoul-Amadeus Lorbeer/German Aerospace Center Alexander Fischer/German Aerospace Center Jochen Speiser/German Aerospace Center

  Paper
14:15 - 14:30
(Withdrawn) 113-W cryogenically-cooled 946-nm Nd:YAG laser (SW3E.6)
Presenter: Gholamreza Shayeganrad, University of Southampton

We report a closed-cycle cryogenically-cooled diode-end-pumped continuous-wave Nd:YAG laser operating at 946-nm, generating 113-W of output power (pump power limited) with a slope and an optical-to-optical conversion efficiency of 80% and 76%, respectively.

Authors:Gholamreza Shayeganrad/University of Southampton Silvia Cante/University of Southampton J. Pelegrin Mosquera/Institute of Cryogenics, University of Southampton Wendell Bailey/Institute of Cryogenics, University of Southampton Jacob Mackenzie/University of Southampton

14:30 - 14:45
Hybrid master oscillator power amplifier single-frequency, nanosecond, multi-mJ, 5 kHz at 1030 nm. (SW3E.7)
Presenter: Thomas Hamoudi, ONERA

We demonstrate that the combination of Ytterbium doped-fiber and bulk crystals amplifiers, in a Master Oscillator Power Amplifier configuration (MOPA) allows obtaining 3.6 mJ, 15 ns, single-frequency pulses and 5 kHz repetition rate.

Authors:Thomas Hamoudi/ONERA Xavier Délen/Laboratoire Charles Fabry Jean-Baptiste Dherbecourt/ONERA Antoine Godard/ONERA Jean-Michel Melkonian/ONERA Myriam Raybaut/ONERA Patrick Georges/Laboratoire Charles Fabry

  Paper
14:45 - 15:00
Factor 40 pulse post-compression of 200 W in-burst average power pulses via single-stage multi-pass spectral broadening (SW3E.8)
Presenter: Prannay Balla, Deutsches Elektronen-Synchrotron DESY

We report nonlinear pulse compression of 1.2-ps, 2-mJ pulses. For spectral broadening, we use a Kr-filled Herriott-type cell with 22-roundtrips. After a chirped-mirror compressor, we measure 30-fs pulses, 80% transmission and an M2 of 1.5x1.7.

Authors:Prannay Balla/Deutsches Elektronen-Synchrotron DESY Ammar Bin Wahid/Deutsches Elektronen-Synchrotron DESY Ivan Sytcevich/Lund University chen Guo/Lund University Arthur Schönberg/Deutsches Elektronen-Synchrotron DESY Anne-Lise Viotti/Lund University Laura Silletti/Deutsches Elektronen-Synchrotron DESY Andrea Cartella/Universität Hamburg Skirmantas Alisauskas/Deutsches Elektronen-Synchrotron DESY Hamed Tavakol/Deutsches Elektronen-Synchrotron DESY Uwe Grosse-Wortmann/Deutsches Elektronen-Synchrotron DESY Marcus Seidel/Deutsches Elektronen-Synchrotron DESY Bastian Manschwetus/Deutsches Elektronen-Synchrotron DESY Tino Lang/Deutsches Elektronen-Synchrotron DESY Francesca Calegari/Deutsches Elektronen-Synchrotron DESY Arnaud Couairon/Institut Polytechnique de Paris Anne L’Huillier/Lund University Cord L. Arnold/Lund University Ingmar Hartl/Deutsches Elektronen-Synchrotron DESY Christoph Heyl/Deutsches Elektronen-Synchrotron DESY

  Paper

Integrated Photonic Platforms (SW3F)
Presider: Jifeng Liu, Dartmouth College

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13:00 - 13:30
What makes the best chip-scale photonic sensor? (SW3F.1)
Presenter: Juejun Hu, Massachusetts Institute of Technology

In this talk, we will provide a detailed account regarding the design rationales of different essential components of a photonic chip-based sensing system: the sensing element, the light source, and the light analyzer or spectrometer.

Authors:Derek Kita/Massachusetts Institute of Technology Qingyang Du/Massachusetts Institute of Technology Jerome Michon/Massachusetts Institute of Technology Tian Gu/Massachusetts Institute of Technology Zhengqian Luo/Xiamen University Steven Johnson/Massachusetts Institute of Technology Juejun Hu/Massachusetts Institute of Technology


Invited
  Paper
13:30 - 13:45
Erbium-Doped Tellurium-Oxide-Coated Silicon Nitride Waveguide Amplifiers (SW3F.2)
Presenter: Henry Frankis, McMaster University

We demonstrate 5 dB of net gain at 1558 nm in a 6.7 cm long erbium-doped tellurium-oxide-coated silicon nitride waveguide, in a process compatible with silicon nitride photonic integrated circuits.

Authors:Henry Frankis/McMaster University Hamidu M. Mbonde/McMaster University Dawson Bonneville/McMaster University Chenglin Zhang/McMaster University Richard Mateman/LioniX International BV Arne Leinse/LioniX International BV Jonathan Bradley/McMaster University

  Paper
13:45 - 14:00
In Situ Temporal Periodic Poling of Lithium Niobate Thin Films (SW3F.3)
Presenter: Karan Prabhakar, Ohio State University

We repeatedly pole and unpole a lithium niobate thin film second harmonic generator while monitoring the switching of the optical output. Increasing asymmetry in the poling waveform results in increasing optical extinction ratio.

Authors:Jonathan Nagy/Ohio State University Karan Prabhakar/Ohio State University Ronald Reano/Ohio State University

  Paper
14:00 - 14:15
Monitoring and Trimming of Integrated Silicon Photonic Circuits via Laser Irradiation (SW3F.4)
Presenter: Vera Biryukova, University of Glasgow

We demonstrate a laser annealing technique capable of compensating for parameter and fabrication non-uniformity in complex silicon photonic devices. The technique does not compromise device performance and can be used for trimming at wafer level

Authors:Vera Biryukova/University of Glasgow Charalambos Klitis/University of Glasgow Marc Sorel/University of Glasgow

  Paper
14:15 - 14:30
“Grayscale” Material Deposition with Spatial Thickness Variation for Spectral Filtering (SW3F.5)
Presenter: Xinhao Li, Massachusetts Institute of Technology

A new material deposition method to pattern 2D structures with spatial thickness variation using single fixed shadow mask is demonstrated. The method is applied to fabricate multispectral reflective color filter arrays of high customizability.

Authors:Xinhao Li/Massachusetts Institute of Technology Zheng Jie Tan/Massachusetts Institute of Technology Nicholas Fang/Massachusetts Institute of Technology

  Paper
14:30 - 14:45
Camera-Based Modal Fingerprinting of Cavity Resonances in a Photonic Crystal Nanobeam (SW3F.6)
Presenter: Francis Afzal, Vanderbilt University

Utilizing distinct features in the leaky region of k-space as ‘modal fingerprints’, we demonstrate resonant mode identification in a photonic crystal nanobeam via infrared camera measurements with a ~19dB detection SNR improvement over transmission measurements.

Authors:Francis Afzal/Vanderbilt University Sharon Weiss/Vanderbilt University Joshua Petrin/Vanderbilt University

  Paper
14:45 - 15:00
Spectral Interferometric Microscopy for Fast and Broadband Phase Characterization (SW3F.7)
Presenter: Lior Michaeli, Tel-Aviv University

We introduce a novel interferometric method for fast, broadband and microscopic phase characterization, based on common-path configuration. The method can be implemented by adding a simple optical relay to connect conventional microscope and imaging spectrometer.

Authors:Lior Michaeli/Tel-Aviv University Danielle Ben Haim/Tel-Aviv University Haim Suchowski/Tel-Aviv University Tal Ellenbogen/Tel-Aviv University

  Paper

Nonlinear Optical Phenomena (SW3N)
Presider: Yoshitomo Okawachi, Columbia University

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13:00 - 13:45
How Light Behaves When The Refractive Index Vanishes (SW3N.1)
Presenter: Robert Boyd, University of Ottawa

We present an overview of the science and applications of physical sitations in which the dielectric permittivity, and consequently the refractive index, has a value close to zero.
Robert Boyd was born in Buffalo, New York, USA. He received a BS degree in physics from MIT and a PhD in Physics from the University of California at Berkeley. He joined the faculty of the University of Rochester in 1977, where he is now a full professor. In 2010 he took in addition a faculty position at the University of Ottawa in Canada. His research involves but classical and quantum aspects of Nonlinear Optics. He is the recipient of the OSA Townes award and the APS Schawlow Award and the Isakson Award. He is a fellow of OSA, APS, SPIE, IEEE and AAAS. He is a fellow of the Royal Society of Canada and a corresponding member of the Heidelberg Academy.

Authors:Robert Boyd/University of Ottawa


Tutorial
13:45 - 14:00
Switching Second-Harmonic Forward to Backward Emission via GaAs Nanoantennas (SW3N.2)
Presenter: Mohsen Rahmani, Australian National University

Switching forward-to-backward linear scattering of nanoantennas is a process of major importance. Here, we demonstrate the first nonlinear switching of forward to backward second harmonic generation, via engineering the nonlinear-tensors of the (110)-GaAs nanoantennas.

Authors:Lei Xu/University of New South Wales Saerens Grégoire/ETH Zurich Mariia Timofeeva/ETH Zurich Daria Smirnova/Australian National University Irina Volkovskaya/Russian Academy of Sciences Mykhaylo Lysevych/Australian National University Rocio Camacho/Australian National University Marcus Cai/Australian National University Khosro Zangeneh/Australian National University Lujun Huang/University of New South Wales Fouad Karouta/Australian National University Hoe Tan/Australian National University Chennupati Jagadish/Australian National University Andrey Miroshnichenko/University of New South Wales Rachel Grange/ETH Zurich Dragomir Neshev/Australian National University Mohsen Rahmani/Australian National University

  Paper
14:00 - 14:15
Millisecond Suppression of Counter-propagating Optical Signal using Ultrafast Laser Filaments (SW3N.3)
Presenter: Patrick Skrodzki, University of Michigan, Ann Arbor

We demonstrate millisecond-scale on-axis signal suppression using filament air plasmas formed by unaltered Gaussian beams with implications for background/continuum rejection for remote sensing applications.

Authors:Patrick Skrodzki/University of Michigan, Ann Arbor Lauren Finney/University of Michigan, Ann Arbor Milos Burger/University of Michigan, Ann Arbor John Nees/University of Michigan, Ann Arbor Igor Jovanovic/University of Michigan, Ann Arbor

  Paper
14:15 - 14:30
Engineered generation of a specfic Stokes order in stimulated Raman scattering process
(SW3N.4)

Presenter: Weiyong Liu, University of Electro-Communications

We present how to engineer nonlinear optical process with a wide freedom, by arbitrarily manipulating relative phases among relevant electromagnetic fields. We report engineered generation of 1st order stimulated Raman scattering with near 50% quantum efficiency.

Authors:Weiyong Liu/University of Electro-Communications Chiaki Ohae/University of Electro-Communications Jian Zheng/University of Electro-Communications Soma Tahara/University of Electro-Communications Masaru Suzuki/University of Electro-Communications Kaoru Minoshima/University of Electro-Communications Masayuki Katsuragawa/University of Electro-Communications

  Paper
14:30 - 14:45
Record-High Continuous-Wave Nonlinear Performance of Amorphous Silicon Waveguides (SW3N.5)
Presenter: Peter Girouard, DTU Fotonik

We present an amorphous silicon material having a record-high continuous-wave L-band conversion efficiency of -14.7 dB. The material is stable over 12 hours of 23 dBm continuous-wave C-band pumping.

Authors:Peter Girouard/DTU Fotonik Lars Frandsen/DTU Fotonik Michael Galili/DTU Fotonik Leif K. Oxenløwe/DTU Fotonik

  Paper
14:45 - 15:00
Second-Harmonic Generation from WS2 Monolayers Enhanced by BIC Resonances (SW3N.6)
Presenter: Nils Bernhardt, University of Technology Sydney

Through the utilization of resonant dielectric metasurfaces governed by bound states in the continuum, we demonstrate a strong increase in the second-harmonic generation in WS2 monolayers by a factor exceeding 700.

Authors:Nils Bernhardt/University of Technology Sydney Kirill Koshelev/Australian National University Simon White/University of Technology Sydney Kelvin Meng/University of Technology Sydney Johannes Fröch/University of Technology Sydney Trong Tran/University of Technology Sydney Sejeong Kim/University of Technology Sydney Duk-Yong Choi/Australian National University Yuri Kivshar/Australian National University Alexander Solntsev/University of Technology Sydney

  Paper

Resonator-Coupled Solid-State Emitters (FW3C)
Presider: Glenn Solomon, Joint Quantum Institute

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13:00 - 13:15
Towards Spin-Multiphoton Entanglement using Quantum Dots with Asymmetric Waveguide Coupling (FW3C.1)
Presenter: Martin Appel, University of Copenhagen

We demonstrate selectively enhanced dipoles of an InAs quantum dot embedded in a nanophotonic waveguide, thereby forming optical cycling transitions, a basic tool for scalable spin-multiphoton entanglement generation.

Authors:Martin Appel/University of Copenhagen Alexey Tiranov/University of Copenhagen Konstantin Tiurev/University of Copenhagen Alisa Javadi/University of Basel Ying Wang/University of Copenhagen Leonardo Midolo/University of Copenhagen Svend Scholz/University of Bochum Andreas Wieck/University of Bochum Arne Ludwig/University of Bochum Richard Warburton/University of Basel Peter Lodahl/University of Copenhagen

  Paper
13:15 - 13:30
Integration of rare earth ions and photonic resonators for
quantum application (FW3C.2)

Presenter: Mahdi Hosseini, Purdue University

Using ion implantation, on-chip photonic fabrication and heterogeneous integration, we demonstrate a solid-state interface between rare earth ions and telecomm photons in various designs. The platforms enable study of collective and coherent light-atom interactions on chip.

Authors:Mahdi Hosseini/Purdue University

  Paper
13:30 - 13:45
Epitaxial Rare-Earth on Silicon as a Scalable Quantum Photonic Platform (FW3C.3)
Presenter: Yizhong Huang, The University of Chicago

We present an epitaxial Er3+:Y2O3/silicon material platform for scalable quantum photonic devices. We discuss a system integrating suspended Er3+:Y2O3 membranes with a fiber Fabry-Perot cavity for coherent spectroscopy enabling quantum memory and transduction.

Authors:Yizhong Huang/The University of Chicago Manish Singh/The University of Chicago Rikuto Fukumori/The University of Chicago Natasha Tomm/University of Basel Christina Wicker/The University of Chicago Abhinav Prakash/The University of Chicago Tijana Rajh/Argonne National Laboratory Richard Warburton/University of Basel Supratik Guha/The University of Chicago Tian Zhong/The University of Chicago

  Paper
13:45 - 14:00
Measuring the dark exciton in a quantum dot inside a planar microcavity using a bright state cycling transition (FW3C.4)
Presenter: Markus Müller, Joint Quantum Institute, National Institute of Standards and Technology and University of Maryland

We demonstrate the resonant excitation of a so-called dark exciton state in a quantum dot with a readout scheme based on the resonance fluorescence of the correlated bright exciton.

Authors:Markus Müller/Joint Quantum Institute, National Institute of Standards and Technology and University of Maryland Bin Cao/Joint Quantum Institute, National Institute of Standards and Technology and University of Maryland Glenn Solomon/National Institute of Standards and Technology

  Paper
14:00 - 14:15
Coherent scattering from quantum dots: beyond the atomic picture (FW3C.5)
Presenter: Alistair Brash, University of Sheffield

Coherent scattering by a quantum dot in a nano-cavity with high Purcell factor is demonstrated. Major deviations from atom-like behaviour are observed due to phonon coupling that is completely insensitive to excitation conditions.

Authors:Alistair Brash/University of Sheffield Jake Iles-Smith/University of Sheffield Catherine Phillips/University of Sheffield John O'Hara/University of Sheffield Benjamin Royall/University of Sheffield Luke Wilson/University of Sheffield Maurice Skolnick/University of Sheffield A. Mark Fox/University of Sheffield Dara McCutcheon/University of Bristol Edmund Clarke/University of Sheffield Jesper Mørk/Technical University of Denmark Ahsan Nazir/University of Manchester

  Paper
14:15 - 14:45
Telecom quantum network nodes based on single Er$^3+$ ions in silicon nanophotonic devices (FW3C.6)
Presenter: Songtao Chen, Princeton University

I will present our work on developing building blocks for telecom-wavelength quantum networks using individually addressed Erbium ions in crystalline hosts. Leveraging strong Purcell enhancement to overcome the intrinsically low photon emission rate, we have demonstrated single photon emission, high-fidelity single-shot spin readout and coherent manipulation. Improvements including new host materials and device architectures will be discussed.

Authors:Jeff Thompson/Princeton University Songtao Chen/Princeton University


Invited
  Paper

Fiber Lasers I (SW3R)
Presider: Guoqing Chang, Institute of Physics, CAS

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13:00 - 13:15
Passively Q-switched Er3+-doped ZBLAN fiber laser at ~3.5 μm based on a semiconductor saturable absorber mirror (SW3R.1)
Presenter: Jun Liu, Shenzhen University

By adopting a GaAs based semiconductor saturable absorber mirror (SESAM), we have demonstrated a ~3.5 μm passively Q-switched Er3+:ZBLAN fiber laser. The recorded highest repetition rate is 58.71 kHz with a pulse width of 2.4 μs and pulse energy of ~1 μJ. The results prove that the GaAs based SESAM has the capacity to extend the operation wavelength to mid-infrared region beyond 3.0 μm.

Authors:Jun Liu/Shenzhen University Zhixiang Deng/Shenzhen University Yu Chen/Shenzhen University Dianyuan Fan/Shenzhen University

  Paper
13:15 - 13:30
Experimental Characterization of Bismuth-Doped Fibre Amplifier: Electrical NF, PDG, and XGM (SW3R.2)
Presenter: Natsupa Taengnoi, University of Southampton

We present a detailed characterisation of the emergent bismuth-doped fibre amplifier, characterising performance in terms of electrical noise figure, polarisation dependent gain, and cross gain modulation. The results support its suitability for high capacity links.

Authors:Natsupa Taengnoi/University of Southampton Kyle Bottrill/University of Southampton Yang Hong/University of Southampton Yu Wang/University of Southampton Naresh Thipparapu/University of Southampton Jayanta Sahu/University of Southampton Periklis Petropoulos/University of Southampton David Richardson/University of Southampton

  Paper
13:30 - 13:45
All-polarization-maintaining dual-wavelength mode-locked fiber laser based on macro-bending loss tuning (SW3R.3)
Presenter: YUANJUN ZHU, The university of Tokyo

We demonstrate an all-polarization-maintaining dual-wavelength mode-locked fiber laser by bending a section of polarization maintaining fiber for intra-cavity loss tuning for the first time. This technique provides a simple way to generate dual-wavelength pulses with different repetition rate.

Authors:YUANJUN ZHU/The university of Tokyo Zekun Cui/The university of Tokyo Xiangnan Sun/The university of Tokyo Hongbo Jiang/The university of Tokyo Hengwei Zhao/The university of Tokyo Lei Jin/The university of Tokyo Shinji Yamashita/The university of Tokyo Sze Set/The university of Tokyo

  Paper
13:45 - 14:00
Stable Harmonic Mode Locking in all PM-Fiber Mamyshev Oscillator (SW3R.4)
Presenter: Bernard Piechal, Institute of Physical Chemistry PAS

We present the first observation of harmonic mode locking in Mamyshev oscillator. The Yb-doped all-PM oscillator emits 2 nJ pulses with repetition rate up to 229 MHz at 14th harmonic, limited by available pump power.

Authors:Bernard Piechal/Institute of Physical Chemistry PAS Tomasz Kardas/Fluence sp. z o. o. Mateusz Pielach/Institute of Physical Chemistry PAS Yuriy Stepanenko/Institute of Physical Chemistry PAS

  Paper
14:00 - 14:30
High Power Er Fiber Comb Beyond Soliton Compression (SW3R.5)
Presenter: Kevin Lee, IMRA America, Inc.

We demonstrate a 5 W, 65 fs single-mode Er fiber comb based on efficient pulse compression of gain-narrowed pulses from a chirped pulse amplification system. We generate two octaves of midinfrared with these pulses.

Authors:Kevin Lee/IMRA America, Inc. Gengji Zhou/University of Michigan Peter Schunemann/BAE Systems Jie Jiang/IMRA America, Inc. Martin Fermann/IMRA America, Inc.

  Paper
14:30 - 14:45
Control of pulse regime generation with electrochemically gated carbon nanotube saturable absorber (SW3R.6)
Presenter: YURY GLADUSH, Skoltech


In present paper we demonstrate a carbon nanotube saturable absorber with variable nonlinear optical response controlled by electrochemical gating. Implemented into all-PM fiber laser scheme this device allows switching between mode-locked and Q-switched generation regimes.

Authors:YURY GLADUSH/Skoltech Aram Mkrtchyan/Skoltech Daria Kopylova/Skoltech Aleksey Ivanenko/Novosibirsk State University Boris Nyushkov/Novosibirsk State University Sergey Kobtsev/Novosibirsk State University Alexey Kokhanovskiy/Novosibirsk State University Alexander Khegay/Fiber optic research center Mikhail Melkumov/Fiber optic research center Maria Burdanova/University of Warwick Michael Staniforth/University of Warwick James Lloyd-Hughes/University of Warwick Albert Nasibulin/Skoltech

  Paper
14:45 - 15:00
38 µJ Short-Wavelength Q-Switched Thulium Fiber Laser (SW3R.7)
Presenter: Shankar Pidishety, Optoelectronics Research Centre, University of Southampton

38 µJ pulse energy with peak power of 1.3 kW and 0.3 nm spectral width is obtained at a short-wavelength of 1851 nm by actively Q-switching a thulium fiber laser cladding-pumped at 792 nm.

Authors:Shankar Pidishety/Optoelectronics Research Centre, University of Southampton Pranabesh Barua/SPI Lasers UK Ltd Pablo G. Rojas Hernández/Optoelectronics Research Centre, University of Southampton Belal Mohammad/Optoelectronics Research Centre, University of Southampton Jayanta K. Sahu/Optoelectronics Research Centre, University of Southampton M. Núñez Velázquez/Optoelectronics Research Centre, University of Southampton Johan Nilsson/Optoelectronics Research Centre, University of Southampton

  Paper

Semiconductor Devices for Telecommunication and Signal Processing (AW3M)
Presider: Richard Hogg, University of Glasgow

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13:00 - 13:30
Electrically Injected Parity-Time Symmetric DFB Lasers for Telecom Applications (AW3M.1)
Presenter: Abderrahim Ramdane, Centre de Nanosciences et Nanotechnologies, CNRS, Univ. Paris-Sud, Université Paris-Saclay

Electrically injected single frequency lasers based on the concept of parity-time symmetry are designed and realized using standard fabrication techniques. High performance ridge waveguide complex coupled devices are reported.

Authors:Abderrahim Ramdane/Centre de Nanosciences et Nanotechnologies, CNRS, Univ. Paris-Sud, Université Paris-Saclay Vincent Brac de la Perriere/Centre de Nanosciences et Nanotechnologies, CNRS, Univ. Paris-Sud, Université Paris-Saclay Quentin gaimard/Centre de Nanosciences et Nanotechnologies, CNRS, Univ. Paris-Sud, Université Paris-Saclay Henri Benisty/Laboratoire Charles Fabry de l’Institut d’Optique, CNRS, Univ. Paris Saclay Anatole LUPU/Centre de Nanosciences et Nanotechnologies, CNRS, Univ. Paris-Sud, Université Paris-Saclay


Invited
  Paper
13:30 - 13:45
High temperature operation of quantum dot semiconductor optical amplifier for uncooled 80 Gbps data transmission (AW3M.2)
Presenter: Kouichi Akahane, National Inst Information & Comm Tech

The amplification of 80 Gbps non-return to zero signal and error-free operation within the FEC limit were demonstrated in online data transmission measurements at over 60oC using quantum dot SOA.

Authors:Kouichi Akahane/National Inst Information & Comm Tech Toshimasa Umezawa/National Inst Information & Comm Tech Atsushi Matsumoto/National Inst Information & Comm Tech Yuki Yoshida/National Inst Information & Comm Tech Naokatsu Yamamoto/National Inst Information & Comm Tech

  Paper
13:45 - 14:00
Demonstration of High-Speed Digital-to-Analog Conversion using Photonic Integration (AW3M.3)
Presenter: Shivangi Chugh, IIT Bombay

We propose use of photonic integration to develop ultra-high-speed digital-to-analog converters (DACs). As a proof of concept, a 12.4 GS/s DAC has been demonstrated experimentally on a silicon photonics platform.

Authors:Shivangi Chugh/IIT Bombay Sandeep Goyal/IIT Bombay Shalabh Gupta/IIT Bombay

  Paper
14:00 - 14:15
Sub-wavelength Channel Waveguide with Near-Zero Flattened Dispersion at 1.55μm on Silicon (AW3M.4)
Presenter: Lai Ting, National Chiao-Tung University

We propose a new type of channel waveguide with sub-wavelength structure for achieving near-zero and flattened dispersion-band (< 100ps/nm/km variation within 200nm bandwidth) on the silicon-on insulator (SOI) platform at the 1.55μm telecommunication wavelength.

Authors:Lai Ting/National Chiao-Tung University Yi-Jang Hsu/National Chiao-Tung University Xuan-Ming Guo/National Chiao-Tung University Yinchieh Lai/National Chiao-Tung University

  Paper
14:15 - 14:30
(Withdrawn) Engineering the Gap States of ZnO Nanoparticles for High Performance InP-based Quantum-dot Light-emitting Diodes (AW3M.5)
Presenter: Zhenghui Wu, Southern Unverisity of Science and Technology

Two kinds of ZnO with different electronic properties were used as electron transport layer in quantum dot light emitting diode. Their gap states were engineered by different ways to improve the device performance.

Authors:Zhenghui Wu/Southern Unverisity of Science and Technology Wenda Zhang/Southern Unverisity of Science and Technology Pai Liu/Southern Unverisity of Science and Technology Kai Wang/Southern Unverisity of Science and Technology Xiao Wei Sun/Southern Unverisity of Science and Technology

14:30 - 14:45
Silicon Nitride Arrayed Waveguide Grating with a Waveguide Superlattice (AW3M.6)
Presenter: Qi Han, University Laval

A compact 100-GHz 1× 8 arrayed waveguide grating with 3 dB insertion loss and -20 dB crosstalk, enabled by a novel concept of waveguide superlattice, is experimentally demonstrated.

Authors:Qi Han/University Laval Michaël Ménard/Université du Québec à Montréal Wei Shi/University Laval

  Paper
14:45 - 15:00
Design of the Microstructure Parallel-Connected PIN Photodetector with High Bandwidth- Efficiency Product (AW3M.7)
Presenter: Huijuan Niu, Beijing Univ. Posts & Telecommunications

We propose and optimize a parallel structure PIN photodetector by using a obconical shape surrounded by a ring-shaped V-groove trench to improve the PD performance. The bandwidthefficiency product is increased by 67.89% with the construction.

Authors:Huijuan Niu/Beijing Univ. Posts & Telecommunications Yongqing Huang/Beijing Univ. Posts & Telecommunications Yisu Yang/Beijing Univ. Posts & Telecommunications Kai Liu/Beijing Univ. Posts & Telecommunications Xiaofeng Duan/Beijing Univ. Posts & Telecommunications Bing Shen/Beijing Univ. Posts & Telecommunications Mingwei Yang/The University of Arizona Qi Wei/Beijing Univ. Posts & Telecommunications Gang Wu/Beijing Univ. Posts & Telecommunications Chaozheng Xiao/Beijing Univ. Posts & Telecommunications Huayun Zhi/Beijing Univ. Posts & Telecommunications Shiwei Cai/Beijing Univ. Posts & Telecommunications Xiaomin Ren/Beijing Univ. Posts & Telecommunications

  Paper

Commercial Quantum Computing Platforms and Funding Landscape (AW3S)
Presider: Wilhelm Kaenders, TOPTICA Photonics Inc

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13:00 - 13:30
The Quantum Economic Development Consortium (QED-C) (AW3S.1)
Presenter: Celia Merzbacher, SRI International

This talk will update the audience on the progress of the QED-C consortium. The purpose of the QED-C is to identify and close gaps in critical supporting technologies for the emerging quantum industry.

Authors:Joe Broz/SRI International Celia Merzbacher/SRI International


Invited
  Paper
13:30 - 14:00
(Withdrawn) Quantum Supremacy Using a Programmable Superconducting Processor (AW3S.2)
Presenter: John Martinis, Google LLC

A superconducting processor with 53 qubits was used to perform a "parallel computation" on 10^16 states. Running the quantum circuit 10^6 times takes 200 seconds, whereas a classical supercomputer would take 10,000 years.

Authors:John Martinis/Google LLC


Invited
14:00 - 14:30
Honeywell’s Trapped-Ion Quantum Computer: Advanced Optics Solutions (AW3S.3)
Presenter: Lora Nugent, Honeywell

Honeywell Quantum Solutions is focused on developing state-of-the-art trapped-ion quantum computers. Advanced optics solutions enable parallel multi-zone high-fidelity single- and two-qubit laser-based gates, sympathetic cooling of multi-species crystals and high fidelity state preparation and measurement.

Authors:Lora Nugent/Honeywell


Invited
  Paper
14:30 - 15:00
Individual Addressing and Manipulation of Neutral Strontium (AW3S.4)
Presenter: Benjamin Bloom, Atom Computing

Recent advances in the manipulation of individual neutral atoms offer a promising path to interesting NISQ devices. Here I will give an overview of recent advances in the field and introduce the system we have built at Atom Computing.

Authors:Benjamin Bloom/Atom Computing Robin Coxe/Atom Computing Jonathan King/Atom Computing Stanimir Kondov/Atom Computing Krish Kotru/Atom Computing Brian Lester/Atom Computing Mickey Mcdonald/Atom Computing Remy Notermans/Atom Computing Alexander Papageorge/Atom Computing Prasahnt Sivarajah/Atom Computing


Invited

Photonic MicroFluidic BioSensors (AW3I)
Presider: David Nolte, Purdue University

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13:00 - 13:15
Developing a time-resolved acoustofluidic flow cytometer for FRET studies and near-infrared fluorescent protein development (AW3I.1)
Presenter: Jesus Sambrano, New Mexico State University

We present a novel time-resolved acoustofluidic flow cytometer that will be capable of resolving heterogenous cell populations in FRET studies and screen for and enrich cells with near-infrared fluorescent proteins with higher quantum yields.

Authors:Jesus Sambrano/New Mexico State University Jessica Houston/New Mexico State University

  Paper
13:15 - 13:30
Active and Ultrasensitive Chemical and Biosensing through Optothermally Generated Microbubble. (AW3I.2)
Presenter: Farzia Karim, University of Dayton

An ultrasensitive chemical and biosensing method has been demonstrated for active sensing of analytes. This method works based on an optothermal microbubble which is generated through laser heating of metallic nanoparticles solution.

Authors:Farzia Karim/University of Dayton Yvonne Sun/University of Dayton Erick Vasquez/University of Dayton Chenglong Zhao/University of Dayton

  Paper
13:30 - 13:45
Fiber Based Optofluidic Micro-Flow Cytometer Collecting Side-Scattered Light (AW3I.3)
Presenter: Harish Achar, KTH-Royal Institute of Technology

A compact fiber capillary based microflow cytometer capable of detecting side-scattered-light is demonstrated by using a 450 angle-cleaved metal coated optical fiber tip.

Authors:Harish Achar/KTH-Royal Institute of Technology Tharagan Kumar/KTH-Royal Institute of Technology Aman Russom/KTH-Royal Institute of Technology Walter Margulis/Research Institutes of Sweden Fredrik Laurell/KTH-Royal Institute of Technology

  Paper
13:45 - 14:00
Probing the red blood cell interaction in individual cell pairs by optical tweezers (AW3I.4)
Presenter: Ruixue Zhu, University of Oulu, Finland

The peculiarity of red blood cell interaction was studied by optical tweezers. The intercellular interaction force in cell pairs and the role of cell deformation and adhesion time in interaction dynamics were evaluated and discussed.

Authors:Ruixue Zhu/University of Oulu, Finland Alexey Popov/University of Oulu, Finland Igor Meglinski/University of Oulu, Finland

  Paper
14:00 - 14:15
Optical Flow Sensor for Lung Surfactant Delivery (AW3I.5)
Presenter: Silvano Donati, Universita degli Studi di Pavia

We propose a non-invasive 5%-accuracy flow sensor based on self-mixing interferometry, and develop a dedicated prototype for measuring surfactant flow rate to help with respiratory distress due to lung surfactant problem in premature babies.

Authors:Silvano Donati/Universita degli Studi di Pavia

  Paper
14:15 - 14:30
Sensitivity-enhanced Terahertz Microfluidic Chip Sensor Based on a Fano Resonance of a Few Arrays of Meta-atoms (AW3I.6)
Presenter: Kazunori Serita, Osaka University

A compact terahertz microfluidic chip based on a Fano resonance of meta-atoms was demonstrated for the ultra-trace measurements of solutions. We successfully detected attomole order of solutes in a 77 pL volume of the solution.

Authors:Kazunori Serita/Osaka University Masayoshi Tonouchi/Osaka University

  Paper
14:30 - 14:45
(Withdrawn) Gap plasmon-based fluorescence correlation spectroscopy for anomalous molecular diffusion (AW3I.7)
Presenter: H K Lee, Yonsei University

We demonstrated gold nanodimer arrays could improve the signal-to-noise ratio (SNR) of fluorescence correlation spectroscopy. We simultaneously acquired fluorescence and surface plasmon images of nanoscale objects with enhanced SNR using near-field localization at nanodimer’s gap.

Authors:H K Lee/Yonsei University Gwiyeong Moon/Yonsei University Seongmin Im/Yonsei University Donghyun Kim/Yonsei University


15:15 - 16:45 (UTC - 00:00)

Joint Poster Session 10 (JW2E)

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Experimental Demonstration of Heterogeneous Optical Networks Incorporating Low-Loss Vortex-Mode Fiber and Ultra-Low-Loss Single-Mode Fibers Seamlessly Connected by All-Fiber Vortex (De)MultiplexerExperimental Demonstration of Heterogeneous Optical Networks Incorporating Low-Loss Vortex-Mode Fiber and Ultra-Low-Loss Single-Mode Fibers Seamlessly Connected by All-Fiber Vortex (De)Multiplexer (JW2E.1)
Presenter: Lei Sheng, YOFC

We report vortex-mode-assisted heterogeneous optical networks by incorporating low-loss vortex-mode fiber (VMF) and ultra-low-loss single-mode fibers (SMFs). Two vortex modes, each carrying a 8QAM signal, are successfully (de)multiplexed and transmitted through 100-km heterogeneous fiber links.

Authors:Wei Zhou/HUST Lei Sheng/YOFC Lulu Wang/HUST Yize Liang/HUST Shi Chen/HUST Lei zhang/YOFC Jie Luo/HUST Jian Wang/HUST

  Paper
Exploiting Resonant Band of Antiresonant Hollow Core Fiber for Highly Birefringent Inline Fiber Polarizer (JW2E.2)
Presenter: Charu Goel, Nanyang Technological University

We present first report on an inline fiber polarizer design based on single-ring negative curvature fiber. Polarization filtering is achieved by selectively coupling one polarization to glass modes with extinction ratio >30dB and birefringence >10-4.

Authors:Charu Goel/Nanyang Technological University Seongwoo Yoo/Nanyang Technological University

  Paper
Creating secondary reflection along a fiber axis for out scattering light (JW2E.3)
Presenter: Seongwoo Yoo, Nanyang Technological University

An illuminating fiber is demonstrated by incorporating a reflecting element along a fiber. The element creates a helical path longitudinally to efficiently scatter light. We present the concept and its demonstration in a 200-mm fiber.

Authors:Seongwoo Yoo/Nanyang Technological University Sidharthan Raghuraman/Nanyang Technological University chenjia Cheng/Nanyang Technological University Jichao Zang/Nanyang Technological University Ji Ming Ho/Nanyang Technological University Men Seng Yue/Nanyang Technological University David Payne/University of Southampton

  Paper
High Energy Wave-breaking-free Pulse from All-normal-dispersion Fiber Laser with NALM (JW2E.4)
Presenter: Jiaqi Zu, Tsinghua University

We explored the energy scalability in single pulse domain of all-normal-dispersion fiber laser with NALM numerically and experimentally. We conquered wave-breaking problem and achieved the highest pulse energy from the laser of this structure.

Authors:Decai Deng/Tsinghua University Haitao Zhang/Tsinghua University Qihang Gong/Tsinghua University Jiaqi Zu/Tsinghua University

  Paper
Interpreting fiber-guided mode degeneracy lifting as spin-orbit interaction of orbital angular momentum modes (JW2E.5)
Presenter: Liang Fang, Wuhan National Lab for Optoelectronics

We present a visual interpretation of fiber-guided mode degeneracy lifting as spin-orbit interaction of orbital angular momentum modes in a ray picture, and the analytical results are verified by comparing them with eigen equation solutions.

Authors:Liang Fang/Wuhan National Lab for Optoelectronics Jian Wang/Wuhan National Lab for Optoelectronics

  Paper
Nanometer Precision Measurement of Submicron Fibers via Seeded Four-Wave-Mixing (JW2E.6)
Presenter: Jonas Hammer, Max Planck Inst. Science of Light

We report non-destructive measurement of the diameter of submicron air-clad waveguides to nanometer precision, based on parametric amplification of a broadband seed signal. Ultrashort pump and seed pulses allow the diameter to be longitudinally resolved.

Authors:Jonas Hammer/Max Planck Inst. Science of Light Daniel Häupl/Max Planck Inst. Science of Light Philip Russell/Max Planck Inst. Science of Light Nicolas Joly/Friedrich-Alexander University

  Paper
Optical Pulse Generation with Versatile Time-Varying Polarization States (JW2E.7)
Presenter: Helena Lopez Aviles, University of Central Florida

We experimentally demonstrate a novel fiber-based LiDAR polarimetric system capable of generating pulses with customized temporal variations in their polarization. This technique allows for a complete set of polarimetric measurements without invoking complex external components.

Authors:Helena Lopez Aviles/University of Central Florida Christian Keyser/Air Force Research Laboratory Munitions Directorate Richard Martin/The Air Force Institute of Technology Khanh Nguyen/Torch Technologies Arielle Adams/Air Force Research Laboratory Munitions Directorate Demetrios Christodoulides/University of Central Florida

  Paper
Real-Time Collision Dynamics of Vector Solitons in a Fiber Laser (JW2E.8)
Presenter: Changxi Yang, Tsinghua University

Real-time collision dynamics of vector solitons in a polarization-multiplexed mode-locked fiber laser was investigated with the help of time-stretch dispersive Fourier transform technique. Numerical simulation matches well with our experiments.

Authors:Kangjun Zhao/Tsinghua University Xiaosheng Xiao/Beijing University of Posts and Telecommunications Changxi Yang/Tsinghua University

  Paper
Fabrication of chalcogenide transversely disordered optical fiber for mid-infrared image transport (JW2E.9)
Presenter: Asuka Nakatani, Toyota Technological Institute

We successfully fabricated a transversely disordered optical fiber made of chalcogenide glasses (AsSe2 and As2S5) for high-resolution mid-infrared image transport. Moreover, we evaluated local confinement on the fiber using finite element method.

Authors:Asuka Nakatani/Toyota Technological Institute Tong Tuan/Toyota Technological Institute Hayato Isai/Toyota Technological Institute Morio Matsumoto/Furukawa Denshi Co.,Ltd. Goichi Sakai/Furukawa Denshi Co.,Ltd. Takenobu Suzuki/Toyota Technological Institute Yasutake Ohishi/Toyota Technological Institute

  Paper
Fading Noise Free Distributed Acoustic Sensor Assisted with Double Wavelength lasers (JW2E.10)
Presenter: Tao Liu, Huazhong Univ of Science and Technology

We propose a fading free distributed acoustic sensor assisted with the scattering enhanced optical fiber and double wavelength lasers. The random polarization fading is effectively eliminated by synthesizing the scattering signals of two lasers.

Authors:Tao Liu/Huazhong Univ of Science and Technology Hao Li/Huazhong Univ of Science and Technology Tao He/Huazhong Univ of Science and Technology Cunzheng Fan/Huazhong Univ of Science and Technology Zhijun Yan/Huazhong Univ of Science and Technology Deming Liu/Huazhong Univ of Science and Technology Qizhen Sun/Huazhong Univ of Science and Technology

  Paper
All-fiber counter-propagation pumped amplifier tailored for Coherent Beam Combining technique (JW2E.11)
Presenter: Matthieu Veinhard, Ecole Polytechnique, Institut Polytechnique de Paris

We report on the qualification of an all-fiber counter propagating pumped amplifier by using a narrow-linewidth single-frequency nanosecond fiber laser. The proposed amplifier is tailored to be used for coherent beam combining of fiber amplifiers.


Authors:Ihsan Fsaifes/Ecole Polytechnique, Institut Polytechnique de Paris Louis Daniault/LOA, ENSTA, Institut Polytechnique de Paris Séverine Bellanger/Ecole Polytechnique, Institut Polytechnique de Paris Matthieu Veinhard/Ecole Polytechnique, Institut Polytechnique de Paris Daniel Schulz/Optical Engines Inc Jason Tafoya/Optical Engines Inc Donald Sipes/Optical Engines Inc Jean-Christophe Chanteloup/Ecole Polytechnique, Institut Polytechnique de Paris

  Paper
Polarization analysis of a supercontinuum generated in a germania-doped photonic crystal fiber (JW2E.12)
Presenter: Nicolas Couture, University of Ottawa

We investigate experimentally the effect of input polarization and pulse energy on the generated supercontinuum. Our detection system reveals the polarization properties of the supercontinuum, a typically unexplored parameter of these sources.

Authors:Nicolas Couture/University of Ottawa Rachel Ostic/University of Ottawa P. Harshavardhan Reddy/CSIR-Central Glass and Ceramics Research Institute Shyamal Das/CSIR-Central Glass and Ceramic Research Institute Anirban Dhar/CSIR-Central Glass and Ceramic Research Institute Mrinmay Pal/CSIR-Central Glass and Ceramic Research Institute Mukul Paul/CSIR-Central Glass and Ceramic Research Institute Ajoy Kar/Heriot-Watt University Jean-Michel Ménard/University of Ottawa

  Paper
Q-switched Ho3+-doped ZBLAN Fiber Laser at 1.2 μm Based on D-shaped Fiber Carbon-nanotube Saturable Absorber (JW2E.13)
Presenter: Shijie Fu, The University of Arizona

D-shaped fiber deposited with single-wall carbon-nanotubes was used as saturable absorber to achieve Q-switched Ho3+-doped fluoride fiber laser in all-fiber configuration. Stable Q-switched operation at 1192 nm was established with radio-frequency signal-to-noise ratio >50 dB.

Authors:Shijie Fu/The University of Arizona Xiushan Zhu/The University of Arizona Minghong Tong/The University of Arizona Masoud Mollaee/The University of Arizona Kort Wiersma/NP Photonics Khawlah AlYahyaei/The University of Arizona Jie Zong/NP Photonics Arturo Chavez/NP Photonics Nasser Peyghambarian/The University of Arizona

  Paper

Two-octave Supercontinuum Generation of OAM Mode in Air-core As2S3 Ring Fiber (JW2E.14)

Presenter: Yingning Wang, Nankai University

Two-octave supercontinuum of light-carrying orbital angular momentum is generated by launching a 100-fs 35-kW hyperbolic secant pulse in 10-mm air-core As2S3 ring fiber, covering 5219 nm bandwidth from 1422 nm to 6713 nm at -45dB.

Authors:Yingning Wang/Nankai University Yuxi Fang/Nankai University Wenpu Geng/Nankai University Jicong Jiang/Nankai University Zhi Wang/Nankai University Hao Zhang/Nankai University Changjing Bao/University of Southern California Hao Huang/University of Southern California Yongxiong Ren/University of Southern California Zhongqi Pan/University of Louisiana at Lafayette Yang Yue/Nankai University

  Paper
Mid-Infrared Dual-Comb Fiber Laser from 3.2 to 4.4 μm (JW2E.15)
Presenter: Yoshiaki Nakajima, University of Electro-Communications

Mid-infrared dual-comb fiber laser employing a high-coherence, ultra-broadband bi-directional fiber laser and periodically poled lithium niobate waveguides was developed for practical dual-comb spectroscopy. Mid-infrared generation with a broad spectrum range of 3.2-4.4 μm was demonstrated.

Authors:Yoshiaki Nakajima/University of Electro-Communications Yuya Hata/University of Electro-Communications Yugo Kusumi/University of Electro-Communications Kazumichi Yoshii/JST, ERATO IOS Project Kaoru Minoshima/University of Electro-Communications

  Paper
Pre-chirp Managed and Circularly Polarized Fiber Amplification Using Chirped Mirrors for Pulse Compression (JW2E.16)
Presenter: Yao Zhang, Xidian University

We demonstrate an Yb-fiber based pre-chirp managed amplification system that emits 50-MHz, 47-fs pulses with 101.2-W average power. Using chirped mirrors as a compressor, we achieve 98% throughput efficiency.

Authors:Yao Zhang/Xidian University Runzhi CHen/Institute of Physics, Chinese Academy o Hangdong Huang/Xidian University Hao Teng/Institute of Physics, Chinese Academy o Shaobo Fang/Institute of Physics, Chinese Academy o Jiangfeng Zhu/Xidian University Junli Wang/Xidian University Guoqing Chang/Institute of Physics, Chinese Academy o zhiyi wei/Institute of Physics, Chinese Academy o

  Paper
MXene-based all-optical microfiber knot resonator for active Q-switching (JW2E.17)
Presenter: Meng Zhang, Beihang University

We report an all-optical modulator based on a MXene-deposited microfiber knot resonator, and apply it in an erbium-doped fiber as an active Q-switch for microsecond pulse generation.

Authors:Qing Wu/Beihang University Meng Zhang/Beihang University Yunzheng Wang/Shenzhen University Weichun Huang/Shenzhen University Zheng Zheng/Beihang University Han Zhang/Shenzhen University

  Paper
Polarization Dependent Noise Suppression for Fiber Distributed Acoustic Sensor with Birefringence Estimation (JW2E.18)
Presenter: Yujia Liu, Huazhong Univ of Science and Technology

We propose and demonstrate a fiber distributed acoustic sensing demodulation scheme based on dynamic birefringence estimation. The phase noise was effectively suppressed about 9.5dB at the fading channels in experiment.

Authors:Yujia Liu/Huazhong Univ of Science and Technology Hao Li/Huazhong Univ of Science and Technology Tao Liu/Huazhong Univ of Science and Technology Cunzheng Fan/Huazhong Univ of Science and Technology Zhijun Yan/Huazhong Univ of Science and Technology Deming Liu/Huazhong Univ of Science and Technology Qizhen Sun/Huazhong Univ of Science and Technology

  Paper
Single-mode Ti:sapphire Crystal Fiber (JW2E.19)
Presenter: Teng I Yang, National Taiwan University

We report on the fabrication and characterization of single-mode Ti:sapphire crystalline fibers. Using dip coating and high-temperature sintering at 1650 °C, solid-state single crystal growth was observed, and single-crystalline cladding was formed.

Authors:Teng I Yang/National Taiwan University Yu-Chan Lin/National Taiwan University Yi-Hsun Li/National Taiwan University Hou-Ting Liu/National Taiwan University Shih-Chang Wang/National Taiwan University Kai-Hsiang Chuang/Industrial Technology Research Institute Tzu-Chi Chou/Industrial Technology Research Institute Sheng-Lung Huang/National Taiwan University

  Paper
Dual-band synchronization of fiber lasers through a common black phosphorus saturable absorber (JW2E.20)
Presenter: Meng Zhang, Beihang University

We present the dual-band synchronization of two all-fiber mode-locked lasers, operating at 1.53-µm and 1.91-µm, using a common black phosphorus saturable absorber. This synchronized dual-wavelength laser shows a large cavity mismatch of 1.98 mm.

Authors:Xin Lian/Beihang University Guohua Hu/University of Cambridge Xinxin Jin/Beihang University Meng Zhang/Beihang University Qian Zhang/Beihang University Zheng Zheng/Beihang University Tawfique Hasan/University of Cambridge

  Paper
All-fiber, all-optical modulator based on Michelson interferometer structure (JW2E.21)
Presenter: Meng Zhang, Beihang University

We demonstrate an all-optical modulator based on a fiber-type Michelson interferometer. This modulator, fabricated utilizing a microfiber deposited with carbon nanotubes, shows a large modulation depth >29 dB and a slop efficiency of 0.0504 π/mW.

Authors:Menglu Zhu/Beihang University Meng Zhang/Beihang University Qing Wu/Beihang University Zheng Zheng/Beihang University

  Paper
Experimental Evidence of the Real Multimode Nature of Geometric Parametric Instability (JW2E.22)
Presenter: Yann Leventoux, Université de Limoges, XLIM

We show experimentally that geometric parametric instability in graded-index multimode fibers is composed by several multimode spectral components. The experimental observation is obtained by using a new 3D technique of high-resolution spatial and spectral analysis.

Authors:Yann Leventoux/Université de Limoges, XLIM Geoffroy Granger/Université de Limoges, XLIM Alessandro Tonello/Université de Limoges, XLIM Katarzyna Krupa/Université Bourgogne Franche-Comté, ICB UMR CNRS 6303 Guy Millot/Université Bourgogne Franche-Comté, ICB UMR CNRS 6303 Stefan Wabnitz/DIET, Sapienza Università di Roma, Sebastien Fevrier/Université de Limoges, XLIM Vincent Couderc/Université de Limoges, XLIM

  Paper
Image-Recognition Assisted Infrared Femtosecond Laser Direct-Writing Method for Silica Fiber Bragg Gratings (JW2E.23)
Presenter: Xian Feng, Jiangsu Normal University

We present a highly reproducible fiber Bragg grating (FBG) fabrication approach using IR femtosecond laser direct-writing method with the assistance of image-recognition technique for automatically positioning grating microstructure inside fiber core.

Authors:Yanjiang Yu/Jiangsu Normal University Feng Han/Jiangsu Normal University Wenjuan sun/Jiangsu Normal University Xian Feng/Jiangsu Normal University Jindan Shi/Jiangsu Normal University

  Paper
Cross Talk and Interference in MIMO less Few Mode Transmission Systems. (JW2E.24)
Presenter: Neethu Mariam Mathew, DTU Fotonik

We show that the performance of mode division multiplexed systems is degraded by both cross talk and interference. The effect of interference can be mitigated by using different wavelengths for the different modes.

Authors:Neethu Mariam Mathew/DTU Fotonik Lars Grüner-Nielsen/DTU Fotonik Michael Galili/DTU Fotonik Mads Lillieholm/DTU Fotonik Karsten Rottwitt/DTU Fotonik

  Paper
Highly customizable all polarization-maintaining wavelength switchable mode-locked fiber laser based on Thermally controlled Lyot-filter (JW2E.25)
Presenter: XIANGNAN SUN, The University of Tokyo

We demonstrate highly customizable all polarization maintaining wavelength switchable mode-locked fiber laser using thermally controlled Lyot-filter, which delivers 25nm tunable output from 1546nm to 1571nm and dual-wavelength output at 1545nm and 1571nm.

Authors:XIANGNAN SUN/The University of Tokyo YUANJUN ZHU/The University of Tokyo YOHEI SUGIURA/The University of Tokyo Sze Set/The University of Tokyo Shinji Yamashita/The University of Tokyo

  Paper
Pulsating internal oscillation of soliton molecules in passively mode-locked fiber lasers (JW2E.26)
Presenter: Yiyang Luo, Nanyang Technological University

We report on the experimental observation of pulsating internal oscillation of soliton pairs featuring twofold relative phase evolution. These results could enrich the transient dynamics of soliton complexes and fuel the molecular analogy.

Authors:Yiyang Luo/Nanyang Technological University Ran Xia/Huazhong University of Science and Technology Perry Ping Shum/Nanyang Technological University Yusong liu/Huazhong University of Science and Technology Wenjun Ni/Nanyang Technological University Qizhen Sun/Huazhong University of Science and Technology Luming Zhao/Huazhong University of Science and Technology Xiahui Tang/Huazhong University of Science and Technology

  Paper
All Normal Dispersion Fiber Laser with Bandwidth Tunable Fiber Based Spectral Filter (JW2E.27)
Presenter: Ankita Khanolkar, University of Dayton

We have demonstrated a stable ytterbium mode-locked fiber laser with an all fiber, bandwidth tunable spectral filter which can generate mode-locked spectrums of different shapes and bandwidth.

Authors:Ankita Khanolkar/University of Dayton Xiaowei Ge/Boston University Andy Chong/University of Dayton

  Paper
Dual-pulse Complex Superposition Based Noise Suppression for Distributed Acoustic Sensing (JW2E.28)
Presenter: Qizhen Sun, Huazhong Univ of Science and Technology

A noise suppression method for distributed acoustic sensing based on the dual-pulse coherent detection is proposed and demonstrated. Through the complex superposition of two different frequency pulses, a maximum noise reduction of 15dB is realized.

Authors:Hao Li/Huazhong Univ of Science and Technology Yujia Liu/Huazhong Univ of Science and Technology Tao He/Huazhong Univ of Science and Technology Cunzheng Fan/Huazhong Univ of Science and Technology Tao Liu/Huazhong Univ of Science and Technology Zhijun Yan/Huazhong Univ of Science and Technology Deming Liu/Huazhong Univ of Science and Technology Qizhen Sun/Huazhong Univ of Science and Technology

  Paper
Refractive Index Measurement of Hazardous Liquid Samples using Common Path Bessel Beam Optical Interferometry (JW2E.29)
Presenter: Amit Pandey, CSIR-CSIO, Chandigarh

This work reports a packaged optical fiber axicon probe generating Bessel beam and Bessel beam interferometry technique for measuring RI of hazardous liquid HCL, H2SO4. The measurement resolution of our system is 1*10 -4± 0.0007.

Authors:Amit Pandey/CSIR-CSIO, Chandigarh Pooja Gupta/CSIR-CSIO, Chandigarh Kaushal Vairagi/CSIR-CSIO, Chandigarh Samir Mondal/CSIR-CSIO, Chandigarh

  Paper
Simultaneous Measurement of Curvature and Temperature Based on a Dual Interference Effects in a Line-by-Line Inscribed Fiber Bragg Grating (JW2E.30)
Presenter: Yang Huang, Huazhong University of Science and Technology

We propose a single Line-by-Line inscribed FBG structure with both FBG and MZI characteristics for the first time to our knowledge. It has great potential to be used in dual parameter synchronous sensors

Authors:Yang Huang/Huazhong University of Science and Technology Xuewen Shu/Huazhong University of Science and Technology Yujie Kong/Huazhong University of Science and Technology Zuowei Xu/Huazhong University of Science and Technology

  Paper
Non-invasive imaging based on low spatial coherence multimode random fiber laser illumination (JW2E.31)
Presenter: Zhao Wang, University of Electronic Science and Technology of China

Non-invasive imaging through low spatial coherence light source based on multimode random fiber laser is proposed and demonstrated. A much simpler, robust and highly efficient structure is realized benefiting from the optical fiber based illumination.

Authors:Zhao Wang/University of Electronic Science and Technology of China Rui Ma/University of Electronic Science and Technology of China Shan Shan Wang/University of Electronic Science and Technology of China Wei Li Zhang/University of Electronic Science and Technology of China Yunjiang Rao/University of Electronic Science and Technology of China

  Paper
Ultra-Broadband Spectrum Generation from a Stretched - Pulse Mode - locked Yb - doped Fiber Laser at High Repetition Rate (JW2E.32)
Presenter: Shoko Yokokawa, The University of Tokyo

Spectrum broader than 100 nm was generated from a mode-locked Yb-doped fiber laser at 169 MHz. Simulations revealed that broadband originated from the scheme of stretched-pulse rather than similariton.

Authors:Shoko Yokokawa/The University of Tokyo Lei Jin/The University of Tokyo Sze Set/The University of Tokyo Shinji Yamashita/The University of Tokyo

  Paper
A robust, field-deployable, low-cost mode-locked laser oscillator for real-world frequency comb experiments (JW2E.33)
Presenter: Henry Timmers, Vescent Photonics

A low-volume mode-locked oscillator has been designed for environmental robustness and is suitable for frequency comb applications. Performance metrics include signal-to-noise ratios greater than 40 dB and in-loop Allan Deviations below 1E−16/Rt.Tau.

Authors:Henry Timmers/Vescent Photonics Dylan Tooley/Vescent Photonics Bennett Sodergren/Vescent Photonics Ryan Robinson/Vescent Photonics Kurt Vogel/Vescent Photonics Kevin Knabe/Vescent Photonics

  Paper

Joint Poster Session 11 (JW2F)

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3D Kerr Microscopy of Magnetic Vortex States in the Presence and Absence of Uniaxial Anisotropy (JW2F.1)
Presenter: Mahdi Mehrnia, Case Western Reserve University

We use a 3D scanning Kerr microscopy technique to resolve the 3D magnetization response in both equilibrium and non-equilibrium regimes for micron-sized permalloy disks. Moreover, we show the effect of uniaxial anisotropy in both regimes.

Authors:Mahdi Mehrnia/Case Western Reserve University Jeremy Trimble/Case Western Reserve University Jesse Berezovsky/Case Western Reserve University

  Paper
Width dependent disorder and many-body effects in gallium arsenide quantum wells (JW2F.2)
Presenter: Cesar Perez, University of Michigan

We study many body effects and disorder in both narrow and wide quantum wells with two-dimensional coherent spectroscopy. The inhomogeneous linewidth, homogeneous linewidth, and exictation induced dephasing depend on width in AlGaAs/GaAs quantum wells.

Authors:Cesar Perez/University of Michigan John Reno/Sandia National Laboratories Steven Cundiff/University of Michigan

  Paper
Transition Matrix Element and Recombination Mechanism of Hexagonal SiGe. (JW2F.3)
Presenter: Marvin van Tilburg, Technische Universiteit Eindhoven

Hexagonal SiGe is a direct bandgap semiconductor due to zone folding. A Lasher-Stern-Würfel fit of the photoluminescence spectrum unambiguously confirms band-to-band recombination. The transition matrix elements are large since the translational symmetry is broken.

Authors:Alain Dijkstra/Technische Universiteit Eindhoven Marvin van Tilburg/Technische Universiteit Eindhoven Elham Fadaly/Technische Universiteit Eindhoven Victor van Lange/Technische Universiteit Eindhoven Marcel Verheijen/Technische Universiteit Eindhoven Jens Rene Suckert/Friedrich Schiller Universitat Claudia Rodl/Friedrich Schiller Universitat juergen furthmueller/Friedrich Schiller Universitat Friedhelm Bechstedt/Friedrich Schiller Universitat Silvana Botti/Friedrich Schiller Universitat David Busse/Technische Universitat Munchen Jonathan Finley/Technische Universitat Munchen Erik Bakkers/Technische Universiteit Eindhoven Jos Haverkort/Technische Universiteit Eindhoven

  Paper
Modification of Photoinduced Electron Transfer in the Strong Light-Matter Coupling Regime (JW2F.4)
Presenter: Nina Krainova, Pennsylvania State University

We report non-trivial changes in the photoconductivity of organic semiconductor polarons when their optical transition is strongly-coupled to a microcavity mode. Our observations point to a change in the underlying photoinduced electron transfer process.

Authors:Nina Krainova/Pennsylvania State University Noel Giebink/Pennsylvania State University

  Paper
Electroluminescence by Impact Excitation of Excitons in a Monolayer WSe2 (JW2F.5)
Presenter: Jiabin Feng, Tsinghua University

We demonstrated exciton electroluminescence by impact excitation in a monolayer WSe2 based field effect transistor on SiO2/Si substrate at room temperature. Hot electrons or holes can be controlled as impact sources through the back gate.

Authors:Jiabin Feng/Tsinghua University Yongzhuo Li/Tsinghua University Song Fu/Tsinghua University Jianxing Zhang/Tsinghua University Hao Sun/Tsinghua University Lin Gan/Tsinghua University Cunzheng Ning/Tsinghua University

  Paper
Wavelength Scaling of Photoionization of Size-Dependent Dielectric Nanoparticles (JW2F.6)
Presenter: Jeffrey Powell, Kansas State University

We present the effects of wavelength scaling on the photoelectron cutoff energy of laser-driven dielectric nanoparticles. Results indicate a complex mix of ponderomotive scaling, field enhancement and charge interactions dictate photoionization and subsequent electron propagation.

Authors:Jeffrey Powell/Kansas State University Adam Summers/Kansas State University Matthias Kling/Ludwig-Maximilians-Universität Daniel Rolles/Kansas State University Carlos Trallero-Herrero/University of Connecticut Artem Rudenko/Kansas State University

  Paper
High Harmonic Generation from Thin-film LiNbO3 (JW2F.7)
Presenter: Shima Gholam Mirzaeimoghadar, University of Central Florida

High-order harmonic spectroscopy is a powerful tool for studying structural symmetries in solids. Here, we study the orientation dependence and polarization of high-order harmonics generated from LiNbO3 thin films driven by femtosecond mid-infrared laser pulses.

Authors:Shima Gholam Mirzaeimoghadar/University of Central Florida Erin Crites/University of Central Florida Troie Journigan/University of Central Florida Volodymyr Turkowski/University of Central Florida Tracy Sjaardema/University of Central Florida Sasan Fathpour/University of Central Florida Michael Chini/University of Central Florida

  Paper
Enhanced Photoluminescence of Heterostructure: Energy Transfer and Nonradiative Exciton Relaxation Suppression (JW2F.10)
Presenter: Yang Luo, School of Physics, Peking University

The exciton dynamics from the aspect of acceptor is revealed by the time-resolved differential reflection measurement and the enhanced photoluminescence of heterostructure is achieved by energy transfer and the suppression of exciton-exciton annihilation.

Authors:Yang Luo/School of Physics, Peking University Hangyong Shan/School of Physics, Peking University Xiaoqing Gao/College of Physics and Optoelectronic Engineering, Shenzhen University Pengfei Qi/School of Physics, Peking University Zheyu Fang/School of Physics, Peking University

  Paper
Ultrafast optical pulse induced topological resonance in gapped graphene (JW2F.11)
Presenter: Seyyedeh Azar Oliaei Motlagh, Georgia State University

We show that in the presence of an intense and single oscillation optical pulse, how the ultrafast topological resonance in gapped graphene leads to a strong valley polarization.

Authors:Seyyedeh Azar Oliaei Motlagh/Georgia State University Vadym Apalkov/Georgia State University Mark Stockman/Georgia State University

  Paper
Symmetry Properties of Harmonics Generated in Single-Crystal Chalcogenides Using Ultrafast Mid-Infrared Pulses (JW2F.12)
Presenter: Aaron Schweinsberg, U.S. Army Research Laboratory


We focus intense, ultrashort, 3.6 micron-wavelength pulses into three single-crystal zincblende chalcogenide samples, ZnS(100), ZnS(110), and ZnSe(100). Symmetry properties of the generated harmonics are studied by rotating the crystals and measuring the output polarization.

Authors:Aaron Schweinsberg/U.S. Army Research Laboratory Michael Tripepi/The Ohio State University noah talisa/The Ohio State University Laura Vanderhoef/U.S. Army Research Laboratory Christopher Wolfe/U.S. Army Research Laboratory Michael Hastings/University of Arizona Miroslav Kolesik/University of Arizona Anthony Valenzuela/U.S. Army Research Laboratory Enam Chowdhury/The Ohio State University

  Paper
Optimisation of a Femtosecond Pulse Synthesiser for High Harmonic Generation Using the Semi-Classical Model (JW2F.13)
Presenter: Allan Pettipher, Imperial College London

By tailoring the driving electric field at the sub-cycle level, high harmonic generation (HHG) can be enhanced. We use the semi-classical model to configure a three-colour femtosecond field synthesiser to deliver optimised waveforms for HHG.x

Authors:Allan Pettipher/Imperial College London Bruce Weaver/Imperial College London Daniel Greening/Imperial College London Feng Li/Imperial College London James Turner/Imperial College London Jon Marangos/Imperial College London John Tisch/Imperial College London

  Paper
Tunable optical funnel effect in graphene/III-V semiconductor van der Waals heterostructures: optical evidences and ultrafast photonics applications (JW2F.14)
Presenter: Xu Wang, SINANO, CAS

We describe the bandgap opening of graphene engineered by femtosecond laser irradiation and develop a 1.55 µm saturable absorber combining a delicately engineered graphene/GaAs vdW heterostructure with InAs quantum dots capped with short-period superlattices.

Authors:Xu Wang/SINANO, CAS Cheng Jiang/SINANO, CAS Jian Liu/SINANO, CAS Xiaohui Li/Shaanxi Normal University Ziyang Zhang/SINANO, CAS

  Paper
Optimization of Probe Time Delays in Hybrid Femtosecond/Picosecond Vibrational Coherent anti-Stokes Raman Scattering Thermometry (JW2F.15)
Presenter: Huijie Zhao, Key Lab of Precision Measurement Technology & Instrument, Department of Precision Instrument Tsinghua University, Beijing, China.

We propose a method that utilizes optimized probe time delays of 10 to 35 ps in hybrid femtosecond/picosecond vibrational coherent anti-Stokes Raman scattering thermometry and maximize sensitivity for temperatures from 300 to 2500 K.

Authors:Huijie Zhao/Key Lab of Precision Measurement Technology & Instrument, Department of Precision Instrument Tsinghua University, Beijing, China. Ziyang Tian/Key Lab of Precision Measurement Technology & Instrument, Department of Precision Instrument Tsinghua University, Beijing, China. Tao Wu/Key Lab of Precision Measurement Technology & Instrument, Department of Precision Instrument Tsinghua University, Beijing, China. Yan Li/Key Lab of Precision Measurement Technology & Instrument, Department of Precision Instrument Tsinghua University, Beijing, China. Haoyun Wei/Key Lab of Precision Measurement Technology & Instrument, Department of Precision Instrument Tsinghua University, Beijing, China.

  Paper
Supercontinuum generation in dispersion-engineered PECVD SiN waveguides for a Yb-fiber laser frequency comb (JW2F.16)
Presenter: Thomas Feigenson, MIT

We present the development of a self-referencing Yb-fiber laser frequency comb based on octave-spanning supercontinuum generation from dispersion-engineered silicon nitride waveguides, fabricated with the standard, readily available plasma-enhanced chemical vapor deposition (PECVD) process.

Authors:Thomas Feigenson/MIT Kelsey Johnsen/MIT Dave Kharas/MIT Wonseok Shin/MIT Ryan Maxson/MIT Kevin Bagnall/MIT Adam Libson/MIT Andrew Benedick/MIT William Loh/MIT Cheryl Sorace-Agaskar/MIT Danielle Braje/MIT Robert McConnell/MIT Kyung-Han Hong/MIT

  Paper
Soliton Comb Generation from a Fabry-Pérot Microresonator (JW2F.17)
Presenter: Xiaohan Wang, Nanjing University

We demonstrate a Kerr soliton comb generation from a high-quality-factor fiber Fabry-Pérot microresonator. Single soliton can be achieved, with narrow beatnote linewidth and near-quantum-noise-limited low phase noise.

Authors:Xiaohan Wang/Nanjing University Kunpeng Jia/Nanjing University Dohyeon Kwon/Korea Advanced Institute of Science and Technology Jiarong Wang/University of Colorado, Boulder Eugene Tsao/University of Colorado, Boulder Jian Guo/Nanjing University Xiaoshun Jiang/Nanjing University Jungwon Kim/Korea Advanced Institute of Science and Technology Shi-ning Zhu/Nanjing University Zhenda Xie/Nanjing University Shu-Wei Huang/University of Colorado, Boulder

  Paper
Carrier-envelope-offset-stable Yb:CaF2 laser pumped by a single-mode laser diode (JW2F.18)
Presenter: Maciej Kowalczyk, Wroclaw Uni. of Science and Technology

We present a carrier-envelope-offset-stabilized, self-referenceable Yb:CaF2 oscillator. Employed single-mode diode pumping scheme enabled us to achieve low-noise operation with sub-70 mrad integrated phase noise of the locked fceo beat note (1 Hz – 1 MHz).

Authors:Maciej Kowalczyk/Wroclaw Uni. of Science and Technology Arkadiusz Hudzikowski/Wroclaw Uni. of Science and Technology Michal Porebski/Wroclaw Uni. of Science and Technology Jaroslaw Sotor/Wroclaw Uni. of Science and Technology

  Paper
Real-time detection of transient roundtrip property in ultrafast lasers (JW2F.19)
Presenter: Tianhao Xian, Shanghai Jiao Tong University

We demonstrate the dispersive temporal interferometer technique to detect the intracavity dynamics of ultrafast lasers. The roundtrip time variation during and after pulse formation and the relaxation process is real-time observed for the first time.

Authors:Tianhao Xian/Shanghai Jiao Tong University Li Zhan/Shanghai Jiao Tong University

  Paper
Ultrafast Carrier Dynamics Spectrogram of Semiconductor Optical Amplifier (JW2F.20)
Presenter: Chi Zhang, Wuhan National Lab for Optoelectronics

An ultrafast temporal spectrum analyzer based on asynchronous optical sampling and dispersive time-stretch is demonstrated with 592.5-fs sampling resolution, 21-nm bandwidth, and 0.214-nm spectral resolution, and characterizes the ultrafast carrier dynamics of semiconductor optical amplifier.

Authors:Ningning Yang/Wuhan National Lab for Optoelectronics liao chen/Wuhan National Lab for Optoelectronics Lun Li/Wuhan National Lab for Optoelectronics Chen Liu/Wuhan National Lab for Optoelectronics Dong Xin/Wuhan National Lab for Optoelectronics Chi Zhang/Wuhan National Lab for Optoelectronics Xinliang Zhang/Wuhan National Lab for Optoelectronics

  Paper
Dual-channel laser system with gap-less tuning from 250 – 1300 nm at megahertz repetition rates for time-resolved photoelectron-emission microscopy and spectroscopy (JW2F.22)
Presenter: Michael Schulz, Class 5 Photonics GmbH

A dual-channel, high-power laser system with gap-less tuning from 250 – 1300 nm at 30 – 50 femtoseconds pulse duration is presented as the ideal tool for time-resolved photoemission microscopy and spectroscopy experiments.

Authors:Michael Schulz/Class 5 Photonics GmbH Jan-Heye Buss/Class 5 Photonics GmbH Torsten Golz/Class 5 Photonics GmbH Ivanka Grguras/Class 5 Photonics GmbH Mark Prandolini/Class 5 Photonics GmbH Gregor Indorf/Class 5 Photonics GmbH Thomas Braatz/Class 5 Photonics GmbH Robert Riedel/Class 5 Photonics GmbH

  Paper
N2+-lasing Induced by Filamentation in Air for Femtosecond Coherent Anti-Stokes Raman Spectroscopy (JW2F.23)
Presenter: Xiaodong Zhao, Institute of applied physics

We investigated both ultrashort pulse filamentation and lasing action of N2+ for pump-probe experiments. The CARS signals of air and CO2 were detected with the lasing pulse of N2+ as a probe.

Authors:Xiaodong Zhao/Institute of applied physics Stefan Nolte/Institute of applied physics Roland Ackermann/Institute of applied physics

  Paper
Power scaling of high-repetition-rate inter-pulse DFG for achieving long-wave mid-IR frequency combs (JW2F.24)
Presenter: Guoqing Chang, Institute of Physics

We numerically investigate inter-pulse DFG process aiming for high-power long-wave mid-IR frequency combs. We show that 2-μm driven DFG can improve the average/peak power by a factor of ~33/246 compared with 1-μm driven DFG.

Authors:Qian Cao/DESY Franz KÄRTNER/DESY Guoqing Chang/Institute of Physics

  Paper
Effect of timing jitter on performance of DFG-based offset-free frequency combs (JW2F.25)
Presenter: Guoqing Chang, Institute of Physics

We numerically investigate how the timing-jitter noise affects DFG-based offset-free frequency combs and demonstrate that β-separation line method can be used to geometrically estimate the comb linewidth.

Authors:Qian Cao/DESY Guoqing Chang/Institute of Physics

  Paper
Highly efficient, octave-spanning mid-infrared OPA in ZnGeP2 pumped by a femtosecond Cr:ZnSe laser (JW2F.26)
Presenter: Sang-Hoon Nam, RLE/MIT

We present octave-spanning femtosecond mid-infrared optical parametric amplification in ZnGeP2, pumped by a 2.4 μm Cr:ZnSe chirped-pulse amplifier. The full spectral coverage of 3-10 μm and a conversion efficiency of up to 23% have been obtained.

Authors:Sang-Hoon Nam/RLE/MIT Kyung-Han Hong/RLE/MIT

  Paper
Omni-Resonant Space-Time Wave Packets Are Invariant After Traversing a Narrow Linewidth Fabry-P{\'e}rot Cavity (JW2F.27)
Presenter: Abbas Shiri, University of Central Florida, CREOL

We describe theoretically and verify experimentally a class of diffraction-free pulsed optical beams that are `omni-resonant': they are transmitted through planar Fabry-P{\'e}rot resonators without spectral filtering even if their bandwidth far exceeds the cavity resonant linewidth.

Authors:Abbas Shiri/University of Central Florida, CREOL Murat Yessenov/University of Central Florida, CREOL Rohinraj Aravindakshan/University of Central Florida, CREOL Ayman Abouraddy/University of Central Florida, CREOL

  Paper
Coherent stacking of 128 pulses from a GHz repetition rate femtosecond Yb:fiber laser (JW2F.28)
Presenter: Bowei Yang, Peking University

We demonstrate the coherent staking of 128 pulses from a 0.95 GHz repetition rate femtosecond Yb:fiber laser by delay line and polarization control. More pulse stacking is in progress.

Authors:Bowei Yang/Peking University Guanyu Liu/Institute of Photonics Technology Abuduweili Abulikemu/Peking University Yan Wang/Peking University Aimin Wang/Peking University Zhigang Zhang/Peking University

  Paper
Ultrafast Phase Imaging by Single-Shot Chirped Pulse Digital Holography (JW2F.29)
Presenter: Naoki Karasawa, Chitose Inst of Science and Technology

Single-shot chiped pulse digital holography was proposed recently for recording multiple ultrafast wavefronts. We obtained phase images of spark discharge using two 35 fs probe pulses separated by 3.7 ps successfully by this method.

Authors:Naoki Karasawa/Chitose Inst of Science and Technology Shogo Yamada/Chitose Inst of Science and Technology Hiroki Kanaya/Chitose Inst of Science and Technology

  Paper
Ultrafast soliton dynamics of micro-combs observed by aberration-free temporal magnifier (JW2F.30)
Presenter: Yanjing Zhao, Wuhan National Lab for Optoelectronics

Ultra-fast soliton dynamics of micro-combs are investigated based on an aberration-free temporal magnifier. By eliminating aberrations, temporal window is greatly extended to 1.4 ns and transient phenomena are clearly observed including soliton annihilation and mergence.

Authors:liao chen/Wuhan National Lab for Optoelectronics Yanjing Zhao/Wuhan National Lab for Optoelectronics Weiqiang Wang/Xi’an Institute of Optics and Precision Mechanics Hao Hu/Wuhan National Lab for Optoelectronics Ruolan Wang/Wuhan National Lab for Optoelectronics Xinyu Wang/Xi’an Institute of Optics and Precision Mechanics Sai Chu/City University of Hong Kong Brent Little/Xi’an Institute of Optics and Precision Mechanics Chi Zhang/Wuhan National Lab for Optoelectronics Wenfu Zhang/Xi’an Institute of Optics and Precision Mechanics Xinliang Zhang/Wuhan National Lab for Optoelectronics

  Paper
Optical Parametric Oscillators (OPOs) with 3-5 μm Instantaneous Bandwidth Based on an Aperiodically-poled Lithium-niobate (APPLN) Crystal (JW2F.31)
Presenter: Pei Liu, Huazhong Univ. of Science and Technology

We reported an OPO generating an idler wave with an instantaneous bandwidth covering the atmospheric transmission window at 3–5 μm based on an APPLN crystal and revealed a novel pulse-formation mechanism in this system.

Authors:Pei Liu/Huazhong Univ. of Science and Technology Jiaxing Heng/Huazhong Univ. of Science and Technology Chengxiao Ning/Huazhong Univ. of Science and Technology Zhaowei Zhang/Huazhong Univ. of Science and Technology

  Paper
A Continuously Tunable Ultrafast Doubly-Resonant Optical Parametric Oscillator (JW2F.32)
Presenter: Chengxiao Ning, Huazhong Univ. of Science and Technology

A continuously tunable ultrafast doubly-resonant OPO with central-wavelength tunable over 1910-2070 nm for signal pulses and 2140-2340 nm for idler pulses has been demonstrated by introducing a frequency selection element into the cavity-length-locking system.

Authors:Chengxiao Ning/Huazhong Univ. of Science and Technology Pei Liu/Huazhong Univ. of Science and Technology Zhaowei Zhang/Huazhong Univ. of Science and Technology

  Paper
Control of delay lines with reinforcement learning for coherent pulse stacking (JW2F.33)
Presenter: Abulikemu Abuduweili, Peking University

We demonstrate the effectiveness of reinforcement learning for controlling the feedback of delay line coherent pulse stacking.

Authors:Abulikemu Abuduweili/Peking University Bowei Yang/Peking University Zhigang Zhang/Peking University

  Paper
1 kHz, 32 mJ pulses at 2.05 µm from multi-pass Ho: YLF amplifiers for pumping an 8 µm OPCPA (JW2F.34)
Presenter: Fangjie Zhou, University of Central Florida

We present a multi-pass Chirped Pulse Amplification system using Ho:YLF that can produce 32 mJ pules at 2.05 µm and 1 kHz repetition rate. The seed is generated from DC-OPA which is driven by a Ti:Sapphire laser.

Authors:Fangjie Zhou/University of Central Florida

  Paper
Direct Evidence of Drift-Assisted Carrier Transportation in a Gradient-Doped GaAs Photocathode (JW2F.35)
Presenter: Rui Zhou, The University of Alabama in Huntsville

We report a comparative study of free-electron dynamics in uniform-doped and gradient-doped GaAs photocathodes using femtosecond pump-probe transient reflectometry. The result shows better photoelectron accumulation in gradient-doped device, evidently due to drift-assisted carrier transportation.

Authors:Rui Zhou/The University of Alabama in Huntsville Hemang Jani/The University of Alabama in Huntsville Lingze Duan/The University of Alabama in Huntsville

  Paper
Effect of Mode-Area Dispersion on Ultrafast Nonlinear Dynamics in Gas-Filled Anti-Resonant Hollow-Core Fibers (JW2F.36)
Presenter: YING WAN, Nanyang Technological University

We numerically investigate the effect of mode-area dispersion on nonlinear pulse propagation dynamics in gas-filled anti-resonant hollow-core fibers. We find that this effect becomes nonnegligible when the system is pumped close to the zero dispersion.

Authors:YING WAN/Nanyang Technological University Md Hasan/The Australian National University Perry Ping Shum/Nanyang Technological University Wonkeun Chang/Nanyang Technological University

  Paper
SnSe2 Nanosheets for Subpicosecond Harmonic Mode-Locked Pulse Generation (JW2F.37)
Presenter: Xiaohui Li, Shaanxi Normal University

The SnSe2 nanosheets fabricated by using solvothermal treatment have been successfully prepared as fiber-based saturable absorber by utilizing evanescent-field effect which can bear a high pump power. A 31st order subpicosecond harmonic-mode-locking has been generated.

Authors:Jishu Liu/Shaanxi Normal University Xiaohui Li/Shaanxi Normal University

  Paper
Generation of a Spatiotemporal Vortex with a Purely Transverse Orbital Angular Momentum (JW2F.38)
Presenter: Andy Chong, University of Dayton

We demonstrate a spatiotemporal optical vortex with a purely transverse orbital angular momentum. Since the spatiotemporal vortex carries a scalable orbital angular momentum in the unique transverse direction, novel applications are expected.

Authors:Andy Chong/University of Dayton Chenhao Wan/Huazhong University of Science and Technology Jian Chen/University of Shanghai for Science and Technology Qiwen Zhan/University of Dayton

  Paper

15:30 - 16:30 (UTC - 00:00)

Manipulating Quantum Systems: An Assessment of Atomic, Molecular, and Optical Physics in the U.S by the U.S. National Academy of Sciences

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Special Event

17:00 - 18:15 (UTC - 00:00)

Free Space Optical Communications (SW4L)
Presider: Jade Wang

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17:00 - 17:15
An Indoor Visible Light Communication and Positioning System Based on Machine Learning and Alamouti STBC (SW4L.1)
Presenter: Shencheng Ni, Soochow Universtiy

We proposed and experimentally demonstrated a simultaneous indoor visible light communication and positioning system based on machine learning and Alamouti STBC with two LED lamps. The average positioning error is as low as 0.73 cm.

Authors:Shencheng Ni/Soochow Universtiy Shanhong You/Soochow Universtiy

  Paper
17:15 - 17:30
First Demonstration of Multi-user QAM-OFDMA Visible Light Communication System Based on a 75-μm Single Layer Quantum Dot Blue Micro-LED (SW4L.2)
Presenter: Li Zhang, Tsinghua University

We demonstrate a 3-meter 2.5-Gbaud QAM-OFDMA visible light communication (VLC) system affording two users by implementing a 75-µm single layer quantum dot (QD) blue micro-LED with achieved extremely high packaging modulation bandwidth at 1.03 GHz.

Authors:Li Zhang/Tsinghua University Zixian Wei/Tsinghua University Chien-Ju Chen/National Tsing Hua University Lei Wang/Tsinghua University Kai-Chia Chen/National Tsing Hua University Meng-Chyi Wu/National Tsing Hua University Yuhan Dong/Tsinghua University Lai Wang/Tsinghua University Yi Luo/Tsinghua University H.Y. Fu/Tsinghua University

  Paper
17:30 - 18:00
Coherent Architectures for Free-Space Optical Communications (SW4L.3)
Presenter: David Geisler, Massachusetts Inst of Tech Lincoln Lab


Custom coherent architectures can provide many advantages for FSO communications systems through co-development of integrated photonics, ASIC- or FPGA-based DSP algorithms, and system design to mitigate atmospheric turbulence and reduce pointing requirements.

Authors:David Geisler/Massachusetts Inst of Tech Lincoln Lab


Invited
  Paper
18:00 - 18:15
Experimental Demonstration of Crosstalk Reduction to Achieve Turbulence-Resilient Multiple-OAM-Beam Free-Space Optical Communications using Pilot Tones to Mix Beams at the Receiver (SW4L.4)
Presenter: Runzhou Zhang, University of Southern California

We experimentally demonstrate a 4-Gbit/s turbulence-resilient two-OAM-mode-multiplexed FSO link using pilot tones at different wavelengths to mix beams at the receiver. Inter-modal crosstalk is measured to be resilient to turbulence for different OAM mode selections.

Authors:Runzhou Zhang/University of Southern California Nanzhe Hu/University of Southern California Kaiheng Zou/University of Southern California Huibin Zhou/University of Southern California Xinzhou Su/University of Southern California Zhe Zhao/University of Southern California Haoqian Song/University of Southern California Hao Song/University of Southern California Ahmed Almaiman/University of Southern California Kai Pang/University of Southern California Cong Liu/University of Southern California Brittany Lynn/Space & Naval Warfare Systems Center Moshe Tur/Tel Aviv University Alan Willner/University of Southern California

  Paper

17:00 - 19:00 (UTC - 00:00)

ATTR: Optics and Photonics for Precision Agriculture II (AW4K)
Presider: Krishnan Parameswaran, Analog Devices Inc.

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17:00 - 17:15
Agri-combs: Open-path dual-comb spectroscopy of livestock emissions (AW4K.1)
Presenter: Daniel Herman, National Institute of Standards and Technology

Near-infrared dual-comb spectroscopy is performed over two open-air paths upwind and downwind from pens containing approximately four hundred cattle. Time-resolved enhancements of CO2, CH4, NH3 and H2O were observed on the downwind path.

Authors:Daniel Herman/National Institute of Standards and Technology Lindsay Hutcherson/Kansas State University Chinthaka Weerasekara/Kansas State University Fabrizio Giorgetta/National Institute of Standards and Technology Kevin Cossel/National Institute of Standards and Technology Gabriel Colacion/National Institute of Standards and Technology Nathan Newbury/National Institute of Standards and Technology Stephen Welch/Kansas State University Brett DePaola/Kansas State University Ian Coddington/National Institute of Standards and Technology Eduardo Santos/Kansas State University Brian Washburn/National Institute of Standards and Technology

  Paper
17:15 - 17:45
Ubiquitous Spectral Sensing for Precision Agriculture and Food Testing (AW4K.2)
Presenter: Bassam Saadany, Si-War Systems

In this talk we discuss the use of micro spectrometers – as tiny sensors- for precision agriculture and food testing. Will be showing the widespread use of applications and the positive impact in real life examples.


Authors:Bassam Saadany/Si-War Systems


Invited
17:45 - 18:00
(Withdrawn) Feasibility studies of Optical Spectroscopic techniques in examining milk spoilage (AW4K.3)
Presenter: Diksha Garg, Indian Institute of Technology Delhi

A comparative approach using terahertz-time domain spectroscopy and micro-Raman spectroscopy is demonstrated to examine the spoilage of milk sample.

Authors:Diksha Garg/Indian Institute of Technology Delhi Aparajita Bandyopadhyay/Indian Institute of Technology Delhi Amartya Sengupta/Indian Institute of Technology Delhi

18:00 - 18:15
Cooperative Emissions from Hydrogen-Bonded Heterocyclic Organic Compounds (AW4K.4)
Presenter: Supriya Nagpal, Mississippi State University

Additional spectral broadening for pyridine-water complexes was observed that cooperative phenomenon is in effect. Probe pulse delay measurements in coherent Raman spectroscopy differentiated spectral dephasing rates for cooperative species among others.

Authors:Gombojav Ariunbold/Mississippi State University Bryan Semon/Mississippi State University Supriya Nagpal/Mississippi State University Yuri Rostovtsev/University of North Texas

  Paper
18:15 - 18:30
Mid-Infrared Dual-Comb Spectroscopy of Biomass Pyrolysis (AW4K.5)
Presenter: Nazanin Hoghooghi, University of Colorado Boulder

We use a broadband mid-IR dual-comb spectrometer operating between 2.8 and 5 microns to measure time-resolved mole fractions of 12 gaseous species and isotopologues in the pyrolysis products above a heated Eucalyptus wood sample.

Authors:Amanda Makowiecki/University of Colorado Boulder Nazanin Hoghooghi/University of Colorado Boulder Daneil Herman/National Institute of Standard andTechnology Elizabeth Strong/University of Colorado Boulder Ryan Cole/University of Colorado Boulder Gabriel Ycas/National Institute of Standard andTechnology Fabrizio Giorgetta/National Institute of Standard andTechnology Nathan Newbury/National Institute of Standard andTechnology Ian Coddington/National Institute of Standard andTechnology Gregory Rieker/University of Colorado Boulder

  Paper
18:30 - 19:00
Smart Raman for Safe and Healthy Food (AW4K.6)
Presenter: Juergen Popp, Friedrich-Schiller-Universität Jena

TBD

Authors:Juergen Popp/Friedrich-Schiller-Universität Jena


Invited

High Intensity X-ray Sources (FW4D)
Presider: Julia Mikhailova, Princeton University

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17:00 - 18:00
High-Intensity X-ray Science (FW4D.1)
Presenter: Robin Santra, DESY

High-intensity x-ray/matter interactions have important applications. However, capturing the associated ultrafast dynamics remains difficult using standard simulation techniques. In this tutorial, I will present the methodological progress that has been made to address this challenge.
Robin Santra is a professor at DESY/Universität Hamburg. He was a staff scientist at Argonne National Laboratory and an associate professor at the University of Chicago. He won an IUPAP Young Scientist Prize and a U.S. Presidential Early Career Award. He is a Fellow of the American Physical Society.

Authors:Robin Santra/DESY


Tutorial
18:00 - 18:15
A Synchronized VUV Beamline for Time Domain Two-Color Dynamic Studies at FLASH2 (FW4D.2)
Presenter: Elisa Appi, Leibniz Universität Hannover

We present a HHG-based vacuum ultraviolet (VUV) source at the free electron laser FLASH2. The source provides ultrashort pulses from 10 to 40 eV, coupled to the REMI end-station (beamline FL26) for VUV-FEL pump-probe experiments.

Authors:Elisa Appi/Leibniz Universität Hannover Christina Papadopoulou/DESY Jose Mapa/Leibniz Universität Hannover Nishad Wesavkar/Leibniz Universität Hannover Christoph Jusko/Leibniz Universität Hannover Philip Mosel/Leibniz Universität Hannover Skirmantas Alisauskas/DESY Tino Lang/DESY Christoph Heyl/DESY Bastian Manschwetus/DESY Markus Braune/DESY Maciej Brachmanski/DESY Hannes Lindenblatt/Max-Planck-Institut für Kernphysik Florian Trost/Max-Planck-Institut für Kernphysik Severin Meister/Max-Planck-Institut für Kernphysik Patrizia Schoch/Max-Planck-Institut für Kernphysik Rolf Treusch/DESY Robert Moshammer/Max-Planck-Institut für Kernphysik Ingmar Hartl/DESY Uwe Morgner/Leibniz Universität Hannover Milutin Kovacev/Leibniz Universität Hannover

  Paper
18:15 - 18:30
Single-shot Measurement of Extreme Ultraviolet Free Electron Laser Pulses (FW4D.3)
Presenter: William Peters, Los Alamos National Lab

We demonstrate an all-optical approach for measuring spectrograms of individual FEL pulses by measuring a spectrally-resolved EUV-EUV-optical four-wave-mixing signal. We experimentally demonstrate that this is phase-sensitive can be applied to structured and unstable pulse trains.

Authors:William Peters/Los Alamos National Lab Travis Jones/Georgia Institute of Technology Anatoly Efimov/Los Alamos National Lab Emanuele Pedersoli/Elletra-Sincrotrone Laura Foglia/Elletra-Sincrotrone Riccardo Mincigrucci/Elletra-Sincrotrone Ivaylo Nikolov/Elletra-Sincrotrone Rick Trebino/Georgia Institute of Technology Richard Sandberg/Brigham Young University Miltcho Danailov/Elletra-Sincrotrone Flavio Capotondi/Elletra-Sincrotrone Filippo Bencivenga/Elletra-Sincrotrone Pamela Bowlan/Los Alamos National Lab

  Paper
18:30 - 18:45
A Robust Scaling Up Method of Output Energy and Photon Energy on High-Order Harmonic Generation:
Towards Sub-µJ Water Window Soft X-rays (FW4D.4)

Presenter: Kotaro Nishimura, RIKEN Center for Advanced Photonics

Nano-joule class “water-window” high-order harmonic generation under a neutral-medium condition is presented. The maximum harmonic photon energy reaches 360 eV with 3.5-nJ/shot in the “water-window” region.

Authors:Kotaro Nishimura/RIKEN Center for Advanced Photonics Lu Xu/RIKEN Center for Advanced Photonics Akira Suda/Tokyo University of Science Katsumi Midorikawa/RIKEN Center for Advanced Photonics Yuxi Fu/RIKEN Center for Advanced Photonics Eiji Takahashi/RIKEN Center for Advanced Photonics

  Paper
18:45 - 19:00
(Withdrawn) High-Harmonic Generation in the Water Window with a High-Average Power Mid-Infrared OPCPA at 100 kHz (FW4D.5)
Presenter: Pierre-Alexis Chevreuil, ETH Zurich

We present an OPCPA with 25 W average power, generating 16.5 fs pulses with 14 GW peak power at 2.2 μm with 100 kHz repetition rate. This source enabled high-harmonic generation extending beyond 0.6 keV.

Authors:Pierre-Alexis Chevreuil/ETH Zurich Justinas Pupeikis/ETH Zurich Nicolas Bigler/ETH Zurich Christopher Phillips/ETH Zurich Lukas Gallmann/ETH Zurich Ursula Keller/ETH Zurich


Ultrafast Applications (SW4H)
Presider: Giacomo Coslovich, SLAC

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17:00 - 17:30
Advances in Spatial Frequency Modulation Imaging Techniques for Applications from Advanced Manufacturing to the Neurosciences (SW4H.1)
Presenter: Jeffrey Squier, Colorado School of Mines

Spatial frequency modulation imaging has a broad range of attributes: enhanced resolution in linear and nonlinear imaging modalities, phase sensitivity, and random access capability. Advanced manufacturing to the neurosciences can benefit from this unique optical metrology.

Authors:Jeffrey Squier/Colorado School of Mines Jeff Field/Colorado State University Randy Bartels/Colorado State University


Invited
  Paper
17:30 - 17:45
Gas Concentration Measurements Based on Ultrabroadband Coherent Anti-Stokes Raman Scattering Using the Non-resonant Signal (SW4H.2)
Presenter: Yang Ran, Institute of Applied Physics

We propose a method using the non-resonant signal measured in pure argon for gas concentration measurements based on ultrabroadband fs/ps coherent anti-Stokes Raman scattering. Measurement accuracies are greatly improved to 5% for CO2/N2/CH4 gas mixtures.

Authors:Yang Ran/Institute of Applied Physics Stefan Nolte/Institute of Applied Physics Andreas Tünnermann/Institute of Applied Physics Roland Ackermann/Institute of Applied Physics

  Paper
17:45 - 18:00
Frequency Division Using a Soliton-Injected Semiconductor Gain-Switched Frequency Comb (SW4H.3)
Presenter: Wenle Weng, Ecole Polytechnique Federale de Lausanne

By injecting a soliton microcomb into a semiconductor laser that is driven by a sinusoidal current at the subharmonic frequencies of the soliton rate, we demonstrate broadband gain-switched frequency comb generation and low-noise microwave synthesis.

Authors:Wenle Weng/Ecole Polytechnique Federale de Lausanne Aleksandra Kaszubowska-Anandarajah/Trinity College Dublin Junqiu Liu/Ecole Polytechnique Federale de Lausanne Prince Anandarajah/Dublin City University Tobias Kippenberg/Ecole Polytechnique Federale de Lausanne

  Paper
18:00 - 18:30
Attosecond Science using High Average Power and High Peak Power Optical Parametric Chirped Pulse Amplifiers (SW4H.4)
Presenter: Mark Vrakking, Max Born Institute

Attosecond Science has developed from the ability to drive High Harmonic Generation using intense, few-cycle laser pulses, traditionally obtained using Ti:Sapphie technology. I will discuss new opportunities arising from the development of high average power and high peak power OPCPA systems.

Authors:Mark Vrakking/Max Born Institute


Invited
18:30 - 18:45
A Compact MHz-repetition-rate VUV Source: Implementation, Modeling, and Applications (SW4H.5)
Presenter: Dan Hickstein, KMLabs

Utilizing highly cascaded harmonic generation, we upconvert a MHz fiber laser to the vacuum ultraviolet (up to 18~eV). We apply the source to combustion-chemistry experiments and conduct numerical simulation to understand the nonlinear generation process

Authors:Dan Hickstein/KMLabs David Couch/University of Colorado Matthew Kirchner/KMLabs Scott Domingue/KMLabs Jessica Ramirez/KMLabs barney Ellison/University of Colorado Nicole Labbe/University of Colorado Brennan Peterson/KMLabs Margaret Murnane/University of Colorado Sterling Backus/KMLabs Henry Kapteyn/University of Colorado

  Paper
18:45 - 19:00
Coherent Control with Vector Beams for Ultrafast Magnetic Pulses (SW4H.6)
Presenter: Shawn Sederberg, Joint Attosecond Science Laboratory

We demonstrate coherent control in a semiconductor using vector laser beams and spatially map the resulting currents. Ring currents are excited using two configurations, and the potential for generating short, intense magnetic impulses is demonstrated.

Authors:Shawn Sederberg/Joint Attosecond Science Laboratory Fanqi Kong/Joint Attosecond Science Laboratory Felix Hufnagel/University of Ottawa Ebrahim Karimi/University of Ottawa Paul Corkum/Joint Attosecond Science Laboratory

  Paper

Topological Photonics II (FW4A)
Presider: Alireza Marandi, California Institute of Technology

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17:00 - 17:15
Topological Evolution - Invariant Photonic Structures in Synthetic Dimensions (FW4A.1)
Presenter: Liat Nemirovsky, Technion

We present topologically–protected propagation of unidirectional edge states at the interface between two dynamically–invariant systems with opposite effective magnetic field in synthetic dimensions.

Authors:Liat Nemirovsky/Technion Moshe-Ishay Cohen/Technion yaakov lumer/Technion Eran Lustig/Technion Mordechai Segev/Technion

  Paper
17:15 - 17:30
Demonstration of a nonlinearity induced photonic topological insulator (FW4A.2)
Presenter: Alexander Szameit, Institute of Physics, University of Rostock

We theoretically propose and experimentally demonstrate a nonlinear photonic Floquet topological insulator. The system enters a topological non-trivial phase under the influence of a high-power excitation by the optical Kerr effect in detuned directional couplers.

Authors:Lukas Maczewsky/Institute of Physics, University of Rostock Matthias Heinrich/Institute of Physics, University of Rostock Mark Kremer/Institute of Physics, University of Rostock Sergey Ivanov/Moscow Institute of Physics and Technology Max Ehrhardt/Institute of Physics, University of Rostock Franklin Martinez/Institute of Physics, University of Rostock Yaroslav Kartashov/Institute of Spectroscopy, Russian Academy of Science Vladimir Konotop/Departemento de Fisica and Centro de Fisica Teorica e Computacional, Universidade de Lisboa Lluis Torner/Departemento de Fisica and Centro de Fisica Teorica e Computacional, Universidade de Lisboa Alexander Szameit/Institute of Physics, University of Rostock

  Paper
17:30 - 17:45
Observation of non-contractible loop states in a photonic Kagome lattice of Corbino-geometry (FW4A.3)
Presenter: Liqin Tang, Nankai University

We demonstrate robust-boundary-mode (RBM) and non-contractible loop state (NLS) in a photonic Kagome lattice, manifesting unique topological entities in flatband systems. We achieve direct observation of the NLS along toroidal direction in a Corbino-geometry.

Authors:Jina Ma/Nankai University Jun-Won Rhim/Seoul National University Liqin Tang/Nankai University Shiqi Xia/Nankai University Haiping Wang/Nankai University Xiuyan Zheng/Nankai University Shiqiang Xia/Nankai University Daohong Song/Nankai University Yi Hu/Nankai University Yigang Li/Nankai University Bohm-Jung Yang/Seoul National University Daniel Leykam/Institute for Basic Science Zhigang Chen/Nankai University

  Paper
17:45 - 18:00
(Withdrawn) Topologically-controlled Nonlinear Propagation (FW4A.4)
Presenter: Giulia Marcucci, Sapienza University of Rome

The correspondence between phases and genus of toroidal surfaces, associated with nonlinear Schroedinger equation, lets us introduce the topological control. We prove it experimentally and report observations of controlled transitions from shock to rogue waves.

Authors:Giulia Marcucci/Sapienza University of Rome Davide Pierangeli/Sapienza University of Rome Aharon J. Agranat/Hebrew University of Jerusalem Ray-Kuang Lee/National Tsing Hua University Eugenio DelRe/Sapienza University of Rome Claudio Conti/ISC - CNR

18:00 - 18:15
Two-dimensional Zitterbewegung analog in symmetry-breaking photonic honeycomb lattices (FW4A.5)
Presenter: Xiuying Liu, Nankai University

We demonstrate photonic analog of 2D Zitterbewegung of an optical wavepacket in inversion-symmetry-breaking honeycomb lattices by exciting modes around the gapped Dirac points, leading to self-rotation of the “center-of-mass” mediated by Berry curvature.

Authors:Xiuying Liu/Nankai University Zhixuan Dai/Nankai University Daohong song/Nankai University Zhiming Zhang/Nankai University Shiqi Xia/Nankai University Liqin Tang/Nankai University Hrvoje Buljan/Nankai University Jingjun Xu/Nankai University Zhigang Chen/Nankai University

  Paper
18:15 - 18:30
Optical Skyrmions and a Topological Hall Effect in Artificial Gauge Fields (FW4A.6)
Presenter: Aviv Karnieli, Tel Aviv University

We construct skyrmion textures in a synthetic spin-1/2 dimension using nonlinear photonic crystals, giving rise to artificial gauge fields: a magnetic field, mimicking the topological Hall effect, and an electric field unique to our system.

Authors:Aviv Karnieli/Tel Aviv University Shai Tsesses/Technion - Israel institute of technology Guy Bartal/Technion - Israel institute of technology Ady Arie/Tel Aviv University

  Paper
18:30 - 18:45
Demonstration of nonlinearity-induced coupling to topological edge and interface states (FW4A.7)
Presenter: Shiqi Xia, Teda College of Nankai University

We observe nonlinearity-induced excitation of topological edge and interface states in a photonic SSH lattice, where two beams from opposite directions are coupled into (reflected from) nontrivial defect channel under nonlinear (linear) excitation upon collision.

Authors:Shiqi Xia/Teda College of Nankai University Nan Wang/Teda College of Nankai University Daria Smirnova/Australian National University Lev Smirnov/Institute of Applied Physics Liqin Tang/Teda College of Nankai University Daohong Song/Teda College of Nankai University Alexander Szameit/Universität Rostock Daniel Leykam/Institute for Basic Science Zhigang Chen/Teda College of Nankai University

  Paper
18:45 - 19:00
Observation of Topological Band Gap Solitons (FW4A.8)
Presenter: Sebabrata Mukherjee, Penn State University

We present the first experimental observation of solitons in the bulk of a photonic Floquet topological insulator. We probe a family of these nonlinear states residing on the topological band gap and performing cyclotron-like orbits.

Authors:Sebabrata Mukherjee/Penn State University Mikael Rechtsman/Penn State University

  Paper

Nonlinear Optics and Laser-Driven Excitations (SW4G)
Presider: Enam Chowdhury, Ohio State University

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17:00 - 17:15
Z-Scan Measurements of CdSiP2 at OPA Pumping Wavelengths (SW4G.1)
Presenter: Manuel Ferdinandus, Air Force Institute of Technology

We measure the birefringence of nonlinear optical properties of cadmium silicon phosphide via the Z-scan technique at common pumping wavelengths. We discuss the implications of the NLO properties on the parametric conversion efficiency.

Authors:Manuel Ferdinandus/Air Force Institute of Technology Gengler Jamie/Air Force Research Laboratory Kent Averett/Air Force Research Laboratory Kevin Zawilski/BAE Systems Peter Schunemann/BAE Systems Carl Liebig/Air Force Research Laboratory

  Paper
17:15 - 17:30
Theory and Observation of Magneto-Electric Field-induced Second Harmonic Generation (SW4G.2)
Presenter: Gregory Smail, Univ of Michigan - Ann Arbor

We report induced second harmonic generation mediated by a new rectification nonlinearity in polycrystalline pentacene. Results with tilted wavefronts confirm its magneto-electric origin, ultrafast character and capability of supporting all-optical switching at right angles.

Authors:Gregory Smail/Univ of Michigan - Ann Arbor Tuan Trinh/Univ of Michigan - Ann Arbor Krishnandu Makhal/Univ of Michigan - Ann Arbor Da Yang/Univ of Michigan - Ann Arbor Jinsang Kim/Univ of Michigan - Ann Arbor Stephen Rand/Univ of Michigan - Ann Arbor

  Paper
17:30 - 18:00
Terahertz Field-Driven Quantum Phase Transitions (SW4G.3)
Presenter: Keith Nelson, MIT

Single-cycle terahertz fields have driven quantum phase transitions through electronic and ionic mechanisms. Phase transition dynamics have been measured using THz, optical, and x-ray probes, including real-time single-shot measurements of irreversible transitions.

Authors:Keith Nelson/MIT


Invited
  Paper
18:00 - 18:15
Observation of the Quantum Nature of Laser-Driven Particle Acceleration
(SW4G.4)

Presenter: Yuval Adiv, Technion

<div style="direction: ltr;">We reveal quantum features in laser acceleration arising from the underlying wave nature of the accelerated electron, and we present the first accelerator on-chip operated inside a transmission electron microscope.</div>

Authors:Yuval Adiv/Technion Kangpeng Wang/Technion Raphael Dahan/Technion Payton Broaddus/Stanford Yu Miao/Stanford Dylan Black/Stanford Kenneth Leedle/Stanford Olav Solgaard/Stanford R. Joel England/Stanford Ido Kaminer/Technion

  Paper
18:15 - 18:30
Time-Resolved Single-Shot Ablation Dynamics of Silicate Glasses with Few-Cycle Laser Pulses (SW4G.5)
Presenter: noah talisa, Ohio State University

Few-cycle pulse laser damage and ablation of silicate glasses are studied using time-resolved surface microscopy. Unlike in metals, semiconductors, and various dielectrics, interference fringes due to an ablating layer are not observed for these glasses.

Authors:noah talisa/Ohio State University Brandon Harris/Ohio State University Abdallah AlShafey/Ohio State University Jacob Krebs/Ohio State University Sean Locker/Alfred University S. Sundaram/Alfred University Enam Chowdhury/Ohio State University

  Paper
18:30 - 18:45
Liquid crystal-enhanced photophone cells (SW4G.6)
Presenter: Michael Dela Cruz, Air Force Institute of Technology

This paper demonstrates for the first time the intrinsic enhancing nature of liquid crystal to acoustically modulated light on a microscale platform. This study enables many advanced applications in optoacoustic sensing and signal processing.

Authors:Michael Dela Cruz/Air Force Institute of Technology Ling Wang/Tianjin University Hengky Chandrahalim/Air Force Institute of Technology

  Paper
18:45 - 19:00
Unravelling Ultrafast Excited State Absorption in Few Layer ReS2 (SW4G.7)
Presenter: Dipendranath Mandal, IISER Bhopal

Here we report excited-state absorption in few layer ReS2 using ultrafast pump-probe and nonlinear spectroscopy. The remarkable transition from reverse-saturable to two-photon absorption reveals its potential applications in optical limiting and switching.

Authors:Dipendranath Mandal/IISER Bhopal Sourav Marik/IISER Bhopal Sudarshan Sharma/IISER Bhopal R. P. Singh/IISER Bhopal Adarsh K V/IISER Bhopal

  Paper

Inverse Design and Computation (FW4B)
Presider: Rajesh Menon, University of Utah

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17:00 - 17:15
Recurrent Machine Learning and Computing with Nonlinear Optical Waves (FW4B.1)
Presenter: Ian Williamson, Stanford University

We demonstrate that optical time-dynamics are equivalent to a recurrent neural network and that they can be trained for high-performance on complex classification tasks, paving the way for passive analog machine learning processors.

Authors:Ian Williamson/Stanford University Tyler Hughes/Stanford University Momchil Minkov/Stanford University Shanhui Fan/Stanford University

  Paper
17:15 - 17:30
Performing Spatial Differentiation and Edge Detection with Dielectric metasurface (FW4B.2)
Presenter: Tianhua Feng, Jinan University

Spatial differentiation and edge detection have been proposed to realize with a dielectric metasurface by engineering the spatial dispersion of electric dipole resonance. The results show excellent performances for 2D images.

Authors:Danping Pan/Jinan University Lei Wan/Jinan University Alexander Potapov/Jinan University Tianhua Feng/Jinan University

  Paper
17:30 - 17:45
Inverse designed metagratings for far-field integral equations solving (FW4B.3)
Presenter: Concetto Eugenio Andrea Cordaro, AMOLF

We present a metasurface-based platform that solves Fredholm integral equations of the second kind for free-space radiation. An inverse-designed metagrating is coupled to a semitransparent mirror providing feedback in order to perform an analog version of the Neumann series.

Authors:Concetto Eugenio Andrea Cordaro/AMOLF Brian Edwards/University of Pennsylvania Vahid Nikkhah/University of Pennsylvania Andrea Alù/Advanced Science Research Center Albert Polman/AMOLF Nader Engheta/University of Pennsylvania

  Paper
17:45 - 18:00
Reparameterization to Enforce Constraints in the Inverse Design of Metasurfaces (FW4B.4)
Presenter: Mingkun Chen, Stanford University

We report new scheme for enforcing constraints on structural features of merasurfaces in inverse design process by imposing controls through transforming the parameter space. Using this method, we design metagratings with restricted minimum feature size.

Authors:Mingkun Chen/Stanford University Jiaqi Jiang/Stanford University Jonathan Fan/Stanford University

  Paper
18:00 - 18:15
Space-Time Wave Packets Wave-Guided in an Unpatterned Thin Film (FW4B.5)
Presenter: Abbas Shiri, University of Central Florida, CREOL

We demonstrate that propagation-invariant `space-time' wave packets can be guided in two dimensions in an unpatterned thin optical film by relying on index-guiding in one dimension and on space-time confinement in the other.

Authors:Abbas Shiri/University of Central Florida, CREOL Murat Yessenov/University of Central Florida, CREOL Scott Webster/University of Central Florida, CREOL Kenneth Schepler/University of Central Florida, CREOL Ayman Abouraddy/University of Central Florida, CREOL

  Paper
18:15 - 18:30
Simultaneous Analog Computing Using Multi-Frequency Inverse-Designed Metamaterial Platforms (FW4B.6)
Presenter: Miguel Camacho, University of Pennsylvania

Here we introduce inverse-designed structures for inverting several matrices at the same time by exploiting multi-frequency design. We demonstrate possibilities of feasible designs for up to four different mathematical kernels that can be inverted simultaneously.

Authors:Miguel Camacho/University of Pennsylvania Brian Edwards/University of Pennsylvania Nader Engheta/University of Pennsylvania

  Paper
18:30 - 18:45
Landau Levels in Inhomogeneously Strained Photonic Crystals (FW4B.7)
Presenter: Jonathan Guglielmon, Pennsylvania State University

We theoretically demonstrate the emergence of highly degenerate Landau levels in inhomogeneously strained 2D photonic crystals. This provides a novel mechanism for engineering high density of states in photonic media.

Authors:Jonathan Guglielmon/Pennsylvania State University Mikael Rechtsman/Pennsylvania State University Michael Weinstein/Columbia University

  Paper
18:45 - 19:00
All-dielectric Metasurface Designs Enabled by Deep Neural Networks (FW4B.8)
Presenter: sensong an, University of Massachusetts Lowell

We propose a deep learning design approach that significantly improves the design efficiency and accuracy over traditional trial-and-error methods that are currently in use to engineer metasurface-based devices.

Authors:sensong an/University of Massachusetts Lowell clayton fowler/University of Massachusetts Lowell bowen zheng/University of Massachusetts Lowell Mikhail Shalaginov/Massachusetts Institute of Technology hong tang/University of Massachusetts Lowell hang li/University of Massachusetts Lowell jun ding/East China Normal University Myungkoo Kang/University of Central Florida Anuradha Agarwal/Massachusetts Institute of Technology Clara Rivero-Baleine/Lockheed Martin Corporation Kathleen Richardson/University of Central Florida Tian Gu/Massachusetts Institute of Technology Juejun Hu/Massachusetts Institute of Technology hualiang Zhang/University of Massachusetts Lowell

  Paper

Unconventional Imaging (FW4Q)
Presider: Ward Newman, University of Alberta

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17:00 - 17:15
Compressed single-pixel photoacoustic imaging (FW4Q.1)
Presenter: Yuning Guo, University of Colorado Boulder

Taking advantage of single-pixel detection, we present compressed photoacoustic imaging with spatial resolution unlimited by acoustics. It allows surface tomography in optically diffusive media and enables sub-wavelength structures resolvable with a reduced measurement demand.

Authors:Yuning Guo/University of Colorado Boulder Baowen Li/University of Colorado Boulder Xiaobo Yin/University of Colorado Boulder

  Paper
17:15 - 17:30
Cascaded Multifunctional Metasurfaces for Single-shot Quantitative Phase Gradient Microscopy (FW4Q.2)
Presenter: Hyounghan Kwon, California Institute of Technology

We experimentally demonstrate a single-shot quantitative phase gradient microscope by two cascaded multifunctional metasurfaces. Experiments with various specimens show the capability to capture quantitative phase gradient images with single-cell resolution and low noise levels.

Authors:Hyounghan Kwon/California Institute of Technology Ehsan arbabi/California Institute of Technology Seyedeh Mahsa kamali/California Institute of Technology MohammadSadegh Faraji-Dana/California Institute of Technology Andrei Faraon/California Institute of Technology

  Paper
17:30 - 17:45
Single-shot Quantitative Phase Microscopy Assisted by an All-Dielectric Metasurface (FW4Q.3)
Presenter: Einstom Engay, Technical University of Denmark

We present a new approach for simultaneous capture of two images using a metasurface made of titania nanopillars. We use this technique to make quantitative phase measurements by employing the transport of intensity model.

Authors:Einstom Engay/Technical University of Denmark Dewang Huo/Technical University of Denmark Radu Malureanu/Technical University of Denmark Alexandre Emmanuel Wetzel/Technical University of Denmark Ada-Ioana Bunea/Technical University of Denmark Peter John Rodrigo/Technical University of Denmark Andrei Lavrinenko/Technical University of Denmark

  Paper
17:45 - 18:00
A Space Compression Optic (FW4Q.4)
Presenter: Michael DelMastro, University of Ottawa

We theoretically introduce a new optic, a plate that reduces propagation length for image formation. We experimentally demonstrate it advances a beam's focus and shifts an obliquely incident beam identically to a longer propagation distance.

Authors:Michael DelMastro/University of Ottawa Orad Reshef/University of Ottawa Katherine Bearne/University of Ottawa Ali Alhulaymi/University of Ottawa Lambert Giner/National Research Council of Canada Robert Boyd/University of Ottawa Jeff Lundeen/University of Ottawa

  Paper
18:00 - 18:15
Passive, Thermal, Reference-Free, Non-Line-of-Sight Imaging (FW4Q.5)
Presenter: Shawn Divitt, Jacobs Corporation

We demonstrate passive image recovery of mid-infrared thermal objects around corners using speckle correlation techniques.

Authors:Shawn Divitt/Jacobs Corporation Dennis Gardner/U.S. Naval Research Laboratory Abbie Watnik/U.S. Naval Research Laboratory

  Paper
18:15 - 18:30
Full field-of-view imaging through scattering media beyond optical memory effect using modulated illumination and independent component analysis (FW4Q.6)
Presenter: Wei Li, Xidian University

We experimentally demonstrate full field-of-view optical imaging through scattering regardless of the optical memory effect utilizing designed modulated illumination and independent component analysis. Imaging of large field-of-view multi-objects is achieved numerically and experimentally.

Authors:Wei Li/Xidian University jietao liu/Xidian University Shunfu He/Xidian University Mingrui Xia/Xidian University Yuxiang Wu/Xidian University Lixian Liu/Xidian University Jinjin Zhu/Xidian University Xiaopeng Shao/Xidian University

  Paper
18:30 - 18:45
Optical field recovery through thin scattering layer for wide-field scattering imaging (FW4Q.7)
Presenter: jietao liu, Xidian University

Wide-field imaging through thin scattering layer is verified experimentally utilizing round-trip optical field estimation method. Large field-of-view imaging strategy dealing with complex and even violent phase variations is demonstrated.

Authors:jietao liu/Xidian University Wei Li/Xidian University Shunfu He/Xidian University Mingrui Xia/Xidian University Yuxiang Wu/Xidian University Lixian Liu/Xidian University Jinjin Zhu/Xidian University Xiaopeng Shao/Xidian University

  Paper
18:45 - 19:00
(Withdrawn) Nonstationary Intensity Statistics in Diffusive Waves (FW4Q.8)
Presenter: Ruitao Wu, CREOL

We demonstrate that intensity statistics is nonstationary in diffusive regimes of waves in reflection from random media. A statistical model based on recurrent scattering in disordered cavities is confirmed by systematic experiments.

Authors:Ruitao Wu/CREOL Aristide Dogariu/CREOL


Frequency Combs II (SW4J)
Presider: Takasumi Tanabe, Keio University

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17:00 - 17:30
Stable Dissipative Kerr Solitons in a AlGaAs Microresonator Through Cryogenic Operation (SW4J.1)
Presenter: Gregory Moille, National Institute of Standards and Technology

We demonstrate stable microresonator Kerr solitons in an Al\textsubscript{0.2}Ga\textsubscript{0.8}As-on-insulator resonator thanks to cryogenic quenching of the thermorefractive effect. Reaching such a phase-stable state is a prerequisite to fully exploit the potential of this platform.

Authors:Gregory Moille/National Institute of Standards and Technology Lin Chang/University of California, Santa Barbara Weiqiang Xie/University of California, Santa Barbara Xiyuan Lu/National Institute of Standards and Technology Ashutosh Rao/National Institute of Standards and Technology Marcelo Davanco/National Institute of Standards and Technology John Bowers/University of California, Santa Barbara Kartik Srinivasan/National Institute of Standards and Technology

  Paper
17:30 - 17:45
(Withdrawn) Kerr frequency comb generation in photonic integrated Ge-As-S chalcogenide microresonators (SW4J.2)
Presenter: Bin Zhang, Sun Yat-sen University

Here, we demonstrate dispersion-engineered chalcogenide glasses (ChG)-microresonator with a loaded Q-factor of ~0.5 million. Kerr combs generation is first experimentally demonstrate using the ChG-based micro-resonators

Authors:Di Xia/Sun Yat-sen University Pingyang Zeng/Sun Yat-sen University Zelin Yang/Sun Yat-sen University Yaodong Sun/Sun Yat-sen University Yufei Huang/Sun Yat-sen University Jingshun Pan/Sun Yat-sen University Jingcui Song/Sun Yat-sen University Ying Zhu/Sun Yat-sen University Hairun Guo/Shanghai University Bin Zhang/Sun Yat-sen University Zhaohui Li/Sun Yat-sen University

17:45 - 18:00
Soliton Comb Generation in Air-Clad AlN Microresonators (SW4J.3)
Presenter: Yanzhen Zheng, Tsinghua University

Air-clad microring resonators with intrinsic quality factor exceeding 2×106 are fabricated based on AlN-on-sapphire platform, and dissipative Kerr solitons (DKSs) are stably generated with the help of auxiliary pump.

Authors:Yanzhen Zheng/Tsinghua University Changzheng Sun/Tsinghua University Bing Xiong/Tsinghua University Lai Wang/Tsinghua University Jian Wang/Tsinghua University Yanjun Han/Tsinghua University Zhibiao Hao/Tsinghua University Hongtao Li/Tsinghua University Jiadong Yu/Tsinghua University Yi Luo/Tsinghua University jianchang yan/Chinese Academy of Sciences Tongbo Wei/Chinese Academy of Sciences Yun Zhang/Chinese Academy of Sciences Junxi Wang/Chinese Academy of Sciences

  Paper
18:00 - 18:15
AlN microresonators fabricated with standard photolithography for broadband Kerr frequency comb generation (SW4J.4)
Presenter: Haizhong Weng, Trinity College Dublin

A near octave comb spectrum ranging from 1100 to 2150 nm is generated at 406 mW pump power for AlN microresonators fabricated with standard photolithography. This work decreases the requirement for fabrication significantly.

Authors:Haizhong Weng/Trinity College Dublin Jia Liu/Huazhong University of Science and Technology Adnan Ali Afridi/Trinity College Dublin Jing Li/Trinity College Dublin Qiaoyin Lu/Huazhong University of Science and Technology John Donegan/Trinity College Dublin Weihua Guo/Huazhong University of Science and Technology

  Paper
18:15 - 18:30
A Deterministic Method for Obtaining Large-Bandwidth Frequency Combs in Microresonators with Thermal Effects (SW4J.5)
Presenter: Zhen Qi, University of Maryland Baltimore County

We describe a deterministic method for obtaining large-bandwidth frequency combs in microresonators using cnoidal waves in the soliton crystal limit. We take thermal effects into account.

Authors:Zhen Qi/University of Maryland Baltimore County Jose Jaramillo-Villegas/Technological University of Pereira Giuseppe D’Aguanno/University of Maryland Baltimore County Thomas Carruthers/University of Maryland Baltimore County Omri Gat/Hebrew University of Jerusalem Andrew Weiner/Purdue University Curtis Menyuk/University of Maryland Baltimore County

  Paper
18:30 - 18:45
Observation of Islands of Stability in the Chaotic Regime of Kerr Frequency Combs (SW4J.6)
Presenter: Futai Hu, University of California, Los Angeles

We present results on the transition from chaos to dark pulse and back to chaos with uni-directional pump tuning in Kerr microresonators using an ultrafast spectrum analyzer based on a four-wave-mixing time lens.

Authors:Futai Hu/University of California, Los Angeles Abhinav Kumar/University of California, Los Angeles Chuancheng Jia/University of California, Los Angeles Mali Gong/Tsinghua University Chee Wei Wong/University of California, Los Angeles

  Paper
18:45 - 19:00
Photonic RF fractional Hilbert transformers and filters based on integrated soliton crystal microcombs (SW4J.7)
Presenter: David Moss, Swinburne University of Technology

We report photonic RF fractional Hilbert transformers and filters based on a 49GHz soliton crystal micro-comb source. By employing up to 80 wavelengths and controlling the channel weights, diverse transfer functions are achieved.

Authors:Xingyuan Xu/Swinburne University of Technology Mengxi Tan/Swinburne University of Technology Jiayang Wu/Swinburne University of Technology Thach Nguyen/RMIT Sai Chu/City University of Hong Kong Brent Little/Chinese Academy of Science Roberto Morandotti/INRS Arnan Mitchell/RMIT David Moss/Swinburne University of Technology

  Paper

Optical Methods for Neural Imaging (SW4P)
Presider: Mahsa Ranji, University of Wisconsin-Milwaukee

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17:00 - 18:00
Optical interrogation of Neurovascular Coupling (SW4P.1)
Presenter: Ramin Pashaie, University of Wisconsin_Milwaukee

Brain function is the result of the interaction between neural and vascular networks. We have used optical and electrophysiology techniques to interrogate the coupling between these two networks. Here we report our latest results.
Ramin Pashaie received his Ph.D. from University of Pennsylvania in 2007 and continued his studies as a postdoctoral scholar at Stanford University. From September 2009 he joined the engineering school of University of Wisconsin-Milwaukee where he currently serves as an associate professor. His research is focused on neuro-imaging and neuro-engineering.

Authors:Ramin Pashaie/University of Wisconsin_Milwaukee


Tutorial
  Paper
18:00 - 18:15
Whole Brain Optical Access in Adult Vertebrates: Two- and Three-Photon Imaging in a Miniature Fish, Danionella priapus (SW4P.2)
Presenter: Najva Akbari, Cornell University

We use two- and three-photon microscopy to demonstrate in vivo, whole-brain neuroimaging in adult Danionella priapus, a miniature vertebrate species closely related to zebrafish (Danio rerio).

Authors:Najva Akbari/Cornell University Rose Tatarsky/Cornell University Kristine Kolkman/Cornell University Joseph Fetcho/Cornell University Andrew Bass/Cornell University Chris Xu/Cornell University

  Paper
18:15 - 18:30
Dual Independent Enhanced Scan Engines, Large-Field Two Photon Microscopy (DIESEL2p) (SW4P.3)
Presenter: Che-Hang Yu, University of California, Santa Barbara

We developed a large field-of-view (Ø>5mm) two-photon microscopy with simultaneous and independent two-region access to enable the imaging of neuronal activities widely-distributed in mice’s visual cortex, which is hardly achievable with current commercial systems.

Authors:Che-Hang Yu/University of California, Santa Barbara Jeffrey Stirman/University of California, Santa Barbara Riichiro Hira/University of California, Santa Barbara Yiyi Yu/University of California, Santa Barbara Spencer Smith/University of California, Santa Barbara

  Paper
18:30 - 18:45
Widefield fluorescence optical sectioning microscopy in a miniature fiber-coupled microscope with active axial scanning (SW4P.4)
Presenter: Gabriel Martinez Sanchez, University of Colorado Anschutz Medical Campus

We present widefield structured illumination in a miniature, light-weight fiber-coupled microscope with electrowetting axial scanning. We demonstrate imaging of YFP-labeled neurons in mouse brain tissue showing potential for fast volumetric imaging in freely moving animals.

Authors:Gabriel Martinez Sanchez/University of Colorado Anschutz Medical Campus Omkar Supekar/University of Colorado Boulder Gregory Futia/University of Colorado Anschutz Medical Campus Baris Ozbay/University of Colorado Anschutz Medical Campus Cristin Welle/University of Colorado Anschutz Medical Campus Victor Bright/University of Colorado Boulder Juliet Gopinath/University of Colorado Boulder Diego Restrepo/University of Colorado Anschutz Medical Campus Douglas Shepherd/Arizona State University Emily Gibson/University of Colorado Anschutz Medical Campus

  Paper
18:45 - 19:00
Near-infrared Femtosecond Time Lens Diode Laser with kW Peak Powers for Two-Photon Microscopy (SW4P.5)
Presenter: Yonge Simmons, University of Colorado, Boulder

A diode-based time lens laser with nonlinear pulse compression at 976 nm produces 700 fs pulses with 17 kW peak power. Two-photon imaging of a mouse brain slice is demonstrated with the laser.

Authors:Yonge Simmons/University of Colorado, Boulder Kenneth Underwood/University of Colorado, Boulder Brendan Heffernan/University of Colorado, Boulder Omkar Supekar/University of Colorado, Boulder Emily Gibson/University of Colorado Denver Juliet Gopinath/University of Colorado, Boulder

  Paper

High-power Optics (SW4E)
Presider: Lynda Busse, US Naval Research Laboratory

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17:00 - 17:15
Ultrafast Multiphoton Absorption in Optical-Coating Materials at Near-Damage-Threshold Fluence (SW4E.1)
Presenter: Vitaly Gruzdev, University of New Mexico

Multiphoton absorption substantially contributes to the initiation of laser damage of optical coatings by ultrashort laser pulses. Here we report a simulation approach to fix some assumptions of the traditional models violated at near-damage-threshold fluence.

Authors:Vitaly Gruzdev/University of New Mexico Kyle Kafka/University of Rochester

  Paper
17:15 - 17:30
Integrated-Flow Active Cooling for the Thermal Management of Reflective Optics Under High-Average-Power Load (SW4E.2)
Presenter: Erik Power, University of Rochester

We developed multi-physics numerical models for high-power reflective optics with integrated active cooling of low-expansion ceramic substrates. They predict a 400× improvement in average-power handling versus passive cooling. © 2020 The Author(s)

Authors:Erik Power/University of Rochester Jake Bromage/University of Rochester Jonathan Zuegel/University of Rochester

  Paper
17:30 - 18:00
High Power Optical Breakdown and Design to Combat Dirt and Airborne Particles (SW4E.3)
Presenter: Joseph Talghader, University of Minnesota Twin Cities

Traditional design involves the spectrum of an optic, but mechanical and materials properties must be included for high CW power. High bandgaps and low stress maximize damage thresholds in the presence of dirt and particles.

Authors:Joseph Talghader/University of Minnesota Twin Cities


Invited
  Paper
18:00 - 18:15
Large-area Flat Optics via Immersion Lithography on CMOS Platform for Laser Beam Shaping (SW4E.4)
Presenter: Yuan Hsing Fu, Institute of Microelectronics, A*STAR (Agency for Science, Technology and Research)

We report a large-area metasurface beam shaper via 12-inch immersion lithography CMOS platform. A 3 × 3 mm2 metasurface beam shaper is designed to transfer a Gaussian intensity distribution to a Top-Hat intensity distribution.

Authors:Yuan Hsing Fu/Institute of Microelectronics, A*STAR (Agency for Science, Technology and Research) Nanxi Li/Institute of Microelectronics, A*STAR (Agency for Science, Technology and Research) Lei Chen/Wavelength Opto-Electronic (S) Pte Ltd Qize Zhong/Institute of Microelectronics, A*STAR (Agency for Science, Technology and Research) Yuan Dong/Institute of Microelectronics, A*STAR (Agency for Science, Technology and Research) Dongdong Li/Institute of Microelectronics, A*STAR (Agency for Science, Technology and Research) Zhengji Xu/Institute of Microelectronics, A*STAR (Agency for Science, Technology and Research) Ting Hu/Institute of Microelectronics, A*STAR (Agency for Science, Technology and Research) Yanyan Zhou/Institute of Microelectronics, A*STAR (Agency for Science, Technology and Research) Keng Heng Lai/Institute of Microelectronics, A*STAR (Agency for Science, Technology and Research) Min Zhu/Wavelength Opto-Electronic (S) Pte Ltd Shiyang Zhu/Institute of Microelectronics, A*STAR (Agency for Science, Technology and Research) Qunying Lin/Institute of Microelectronics, A*STAR (Agency for Science, Technology and Research) Shengdi Huang/Wavelength Opto-Electronic (S) Pte Ltd Navab Singh/Institute of Microelectronics, A*STAR (Agency for Science, Technology and Research)

  Paper
18:15 - 18:30
(Withdrawn) Robust Metasurfaces with Tailored Graded Index for High Power Laser Applications (SW4E.5)
Presenter: Nathan Ray, Lawrence Livermore National Laboratory

Solid-state diffusional dewetting is utilized to produce randomly oriented ensembles of nanoparticles on large scales, which then function as dry etching masks for generation of durable metasurfaces for antireflective and metaoptics applications.

Authors:Nathan Ray/Lawrence Livermore National Laboratory Jae-Hyuck Yoo/Lawrence Livermore National Laboratory Hoang Nguyen/Lawrence Livermore National Laboratory Michael Johnson/Lawrence Livermore National Laboratory Salmaan Baxamusa/Lawrence Livermore National Laboratory Selim Elhadj/Lawrence Livermore National Laboratory Eyal Feigenbaum/Lawrence Livermore National Laboratory

18:30 - 18:45
(Withdrawn) Study on the Beam Smoothness Characteristic of 3×3 array lasers based on Independent Beams (SW4E.6)
Presenter: Ping Li, Research Center of Laser Fusion of CAEP

An experimental platform of 3×3 array lasers (Octuplet) with the strongest output in the world is established, and its optimal performance such as beam smoothing and pulse precise control based on independent beams is verified.

Authors:Ping Li/Research Center of Laser Fusion of CAEP Bing Feng/Research Center of Laser Fusion of CAEP

18:45 - 19:00
Coherence Length Measurements Under Strong Scintillation Conditions Using a Five-layer Laboratory-scaled Atmospheric Simulator (SW4E.7)
Presenter: Alexandre Braga, Applied Technology Associates

Measurements of structure functions and coherence lengths using two separate sensors in an atmospheric turbulence simulator shows realistic Kolmogorov statistics. The system provides accurate optical benchtop simulations of beam propagation under strong scintillation conditions.

Authors:Alexandre Braga/Applied Technology Associates Denis Oesch/Leidos Mark Spencer/Air Force Research Laboratory

  Paper

Graphene (SW4F)
Presider: Oana Malis

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17:00 - 17:15
Tunable Terahertz Light Emission from Current-Driven Graphene Plasmonic Oscillators (SW4F.1)
Presenter: Yuyu Li, Boston Unviersity

Pronounced terahertz emission peaks originating from current-driven plasmonic oscillations in graphene nanoribbons are measured. The emission frequency can be tuned by design through the ribbon width and actively by varying the applied gate voltage.

Authors:Yuyu Li/Boston Unviersity Pablo Ferreyra/Boston Unviersity Anna Swan/Boston Unviersity Roberto Paiella/Boston Unviersity

  Paper
17:15 - 17:30
(Withdrawn) Graphene-based Mid-infrared Thermal Emitters (SW4F.2)
Presenter: Geoffrey Nash, The University of Exeter

The incorporation of a back reflector is shown to dramatically increase the light output from a graphene-based mid-infrared thermal emitter, demonstrating the feasibility of using these devices in applications such as gas sensing.

Authors:Prarthana Gowda/The University of Exeter Cheng Shi/The University of Exeter Geoffrey Nash/The University of Exeter

17:30 - 17:45
Large Scale Fabrication of Graphene Nanostructures (SW4F.3)
Presenter: Joel Siegel, University of Wisconsin-Madison Physics

Patterning graphene into nanostructures enables the coupling of free space radiation to plasmons in graphene. Here, we demonstrate block copolymer based fabrication can create sub 20 nm nanostructures in a scalable, efficient, and repeatable manner.

Authors:Joel Siegel/University of Wisconsin-Madison Physics Jonathan Dwyer/University of Wisconsin-Madison Anjali Suresh/University of Wisconsin-Madison Margaret Fortman/University of Wisconsin-Madison Physics Padma Gopalan/University of Wisconsin-Madison Victor Brar/University of Wisconsin-Madison Physics

  Paper
17:45 - 18:00
Towards active photonic dispersion control using graphene-induced non-radiative loss (SW4F.4)
Presenter: Jeremy Lhuillier, Ecole Centrale de Lyon

We show that the photonic dispersion of a two coupled-mode system can be actively tuned using graphene-induced non-radiative loss. Our implementation exploits the spatial modulation of graphene's absorption via patterned oxide substrates.

Authors:Jeremy Lhuillier/Ecole Centrale de Lyon Pierre Demongodin/Ecole Centrale de Lyon Thomas Wood/Ecole Centrale de Lyon Malik kemiche/Ecole Centrale de Lyon Bertrand Vilquin/Ecole Centrale de Lyon Genevieve Grenet/Ecole Centrale de Lyon Sébastien Cueff/Ecole Centrale de Lyon Pedro Rojo-Romeo/Ecole Centrale de Lyon Xavier Letartre/Ecole Centrale de Lyon Christelle Monat/Ecole Centrale de Lyon

  Paper
18:00 - 18:15
Graphene Nanowalls Field Effect Structure Photodetector and Its Light Response Mechanism (SW4F.5)
Presenter: Fengsong Qian, Beijing University of Technology

Graphene nanowalls were first used to prepare field effect structure photodetector, which has a responsivity ten times higher than that of monolayer graphene detector with the same structure.

Authors:Fengsong Qian/Beijing University of Technology Yibo Dong/Beijing University of Technology Liangchen Hu/Beijing University of Technology Qiuhua Wang/Beijing University of Technology Jie Sun/Beijing University of Technology Yiyang Xie/Beijing University of Technology Chen Xu/Beijing University of Technology

  Paper
18:15 - 18:30
Electronic and UV light programmable doping in graphene for memory applications (SW4F.6)
Presenter: Christian Frydendahl, Hebrew University of Jerusalem

We demonstrate the integration of graphene with conventional flash memory technology. The structure allows for programmable memory by electrostatic doping in graphene. The device could also find applications in tunable plasmonics, chemical sensing, photodetection, etc.

Authors:Christian Frydendahl/Hebrew University of Jerusalem SITA RAMA KRISHNA INDUKURI/Hebrew University of Jerusalem Meir Grajower/Hebrew University of Jerusalem Noa Mazurski/Hebrew University of Jerusalem Joseph Shappir/Hebrew University of Jerusalem Uriel Levy/Hebrew University of Jerusalem

  Paper
18:30 - 18:45
Graphene Assisted Preparation of Large area Ag Nanoparticles with Periodic Arrangement towards Raman Enhancement (SW4F.7)
Presenter: Yibo Dong, Beijing University of Technology

A graphene assisted method for preparation of large area Ag NPs with periodic arrangement is introduced in this paper. Graphene is used as a perfect barrier layer to prevent Ag atoms from evaporation.

Authors:Yibo Dong/Beijing University of Technology Chen Xu/Beijing University of Technology Yiyang Xie/Beijing University of Technology guanzhong pan/Beijing University of Technology Qiuhua Wang/Beijing University of Technology Jie Sun/Beijing University of Technology

  Paper
18:45 - 19:00
Preparation of Few-layer Black Phosphorus with Enhanced Photoluminescence and Stability (SW4F.8)
Presenter: Dongying Li, Arizona State University

We propose a method to prepare few-layer black phosphorus by oxygen plasma etching, followed by boron nitride encapsulation and thermal annealing. This method produces few-layer black phosphorus with strongly enhanced photoluminescence and greatly improved stability.

Authors:Dongying Li/Arizona State University Yueyang Yu/Arizona State University Cunzheng Ning/Arizona State University

  Paper

Mid-Infrared Photonics and Sensing (SW4N)
Presider: Matthew Grein, Massachusetts Inst of Tech Lincoln Lab

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17:00 - 17:15
Spectrally and temporally resolved mid-infrared imaging by Adiabatic Sum Frequency upconversion (SW4N.1)
Presenter: Michael Mrejen, Tel Aviv University

We introduce a broadband mid-infrared upconversion imaging scheme based on adiabatic frequency conversion. Contrary to state-of-the-art upconversion imaging limited by phase matching, our method does not require serial acquisitions to cover a large spectrum.

Authors:Michael Mrejen/Tel Aviv University Yonatan Erlich/Tel Aviv University Assaf Levanon/Tel Aviv University Haim Suchowski/Tel Aviv University

  Paper
17:15 - 17:30
Ultra-broadband complementary vibrational spectroscopy with cascaded intra-pulse difference frequency generation (SW4N.2)
Presenter: Kazuki Hashimoto, The University of Tokyo

We demonstrate ultra-broadband dual-modal Fourier-transform spectroscopy simultaneously measuring infrared absorption and Raman scattering spectra spanning from 800 to 2900 cm-1 by expanding infrared spectrum via cascaded intra-pulse difference frequency generation.

Authors:Kazuki Hashimoto/The University of Tokyo Venkata Ramaiah Badarla/The University of Tokyo Takuro Ideguchi/The University of Tokyo

  Paper
17:30 - 18:00
Nonlinear Infrared Photothermal Imaging (SW4N.3)
Presenter: Michelle Sander, Boston University

Infrared photothermal imaging in the fingerprint region offers label-free chemical characterization with insights into absorption and thermal diffusion. Nonlinear phenomena and detection are presented to enhance sensitivity and contrast for biomedical tissue imaging.

Authors:Michelle Sander/Boston University


Invited
  Paper
18:00 - 18:15
Mid-infrared photon-number-resolving detection based on efficient nonlinear frequency conversion (SW4N.4)
Presenter: Kun Huang, Univ of Shanghai for Sci & Tech

We have implemented a coincidence-pumping frequency upconversion system with a nonlinear conversion efficiency up to 80%, which enabled to demonstrate high-performance mid-infrared photon detection and photon-number-resolving capability at 3.1 μm.

Authors:Weiyan Kang/Univ of Shanghai for Sci & Tech Jiamei Wu/Univ of Shanghai for Sci & Tech Yan Liang/Univ of Shanghai for Sci & Tech Ming Yan/State Key Laboratory of Precision Spectroscopy, East China Normal University Kun Huang/Univ of Shanghai for Sci & Tech Heping Zeng/Univ of Shanghai for Sci & Tech

  Paper
18:15 - 18:30
A Real-time Radio Frequency Spectrum Analyzer With1.8 THz Bandwidth (SW4N.5)
Presenter: Ruolan Wang, Wuhan National Laboratory for Optoelectr

An optimized real-time radio frequency spectrum analyzer is experimentally demonstrated. By eliminating third-order dispersion, the bandwidth is increased by 2.25 times up to 1.8-THz and 1-GHz resolution is achieved with 20-MHz frame rate.

Authors:Ruolan Wang/Wuhan National Laboratory for Optoelectr liao chen/Wuhan National Laboratory for Optoelectr Hao Hu/Wuhan National Laboratory for Optoelectr Yanjing Zhao/Wuhan National Laboratory for Optoelectr Chi Zhang/Wuhan National Laboratory for Optoelectr Xinliang Zhang/Wuhan National Laboratory for Optoelectr

  Paper
18:30 - 18:45
Carrier-Envelope Offset-Free Pulse Train by Difference-Frequency Generation from a Silicon-Nitride-Waveguide Supercontinuum Output (SW4N.6)
Presenter: Robert Herda, TOPTICA Photonics AG

We present a novel approach to generate a frequency comb based on Difference Frequency Generation (DFG). The frequency components required for the DFG process are generated in a silicon-nitride waveguide.

Authors:Robert Herda/TOPTICA Photonics AG Florian Kienle/TOPTICA Photonics AG Ali Seer/TOPTICA Photonics AG Christoph Tresp/TOPTICA Photonics AG Evelyn Niedermaier/Hochschule für angewandte Wissenschaften Miles Anderson/EPFL Tobias Kippenberg/EPFL Anton Stroganov/LIGENTEC SA Gabriele Navickaite/LIGENTEC SA Davide Sacchetto/LIGENTEC SA Michael Geiselmann/LIGENTEC SA Wilhelm Kaenders/TOPTICA Photonics AG

  Paper
18:45 - 19:00
6-octave UV to MIR frequency comb driven by a <10 fs Er:fiber laser (SW4N.7)
Presenter: Daniel Lesko, NIST

We present a 6-octave frequency comb (0.35-22.4 micron) driven by a 9.4 fs, 0.56 MW peak power Er:fiber laser at 100 MHz. Through intrapulse difference frequency generation we produce 5 mW of broadband MIR radiation.

Authors:Daniel Lesko/NIST Henry Timmers/NIST Sida Xing/NIST Abijith Kowligy/NIST Alexander Lind/NIST Kevin Zawilski/BAE Systems Peter Schunemann/BAE Systems Scott Diddams/NIST

  Paper

Quantum Optics in Atomic Ensembles (FW4C)
Presider: zhongzhong Qin, California Institute of Technology

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17:00 - 17:15
A Single Mode Optical Cavity Containing Four (up to 1000) Independent Spin Waves (FW4C.1)
Presenter: Kevin Cox, US Army Research Laboratory

We present an experimental scheme for many-body quantum electrodynamics by multiplexing of cavity-coupled spin-wave excitations. We experimentally observe the core phenomena and point the way toward creating many-body entanglement in a test-bed quantum network.

Authors:Kevin Cox/US Army Research Laboratory Zachary Castillo/US Army Research Laboratory David Meyer/US Army Research Laboratory Paul Kunz/US Army Research Laboratory

  Paper
17:15 - 17:30
Quantum phase synchronization and blockade in spin-1 system (FW4C.2)
Presenter: Pratik Adhikary, Indian Institute of Technology Kanpur

We report observation of quantum phase synchronization of spin-1 atoms, with the relative phase getting entrained with external drive phases in presence of anisotropic decay channels.

Authors:Pratik Adhikary/Indian Institute of Technology Kanpur Arif Laskar/Indian Institute of Technology Kanpur Suprodip Mondal/Indian Institute of Technology Kanpur Parag Katiyar/Indian Institute of Technology Kanpur Sai Vinjanampathy/Indian Institute of Technology, Bombay Saikat Ghosh/Indian Institute of Technology Kanpur

  Paper
17:30 - 17:45
Quantum Enhancement of Optical Measurements using Four-wave Mixing in Rb vapor (FW4C.3)
Presenter: Irina Novikova, College of William & Mary

Using four-wave mixing in hot Rb vapor, we demonstrate the production of two-mode intensity squeezing between beams with significantly different optical angular momenta and an all-optical polarization-based truncated SU(1,1) interferometer for all-optical quantum-enhanced imaging and sensing.

Authors:Irina Novikova/College of William & Mary Nikunj Prajapati/College of William & Mary Savannah Cuozzo/College of William & Mary Elisha Siddiqui/Louisiana State University Lior Cohen/Louisiana State University Jonathan Dowling/Louisiana State University Eugeniy Mikhailov/College of William & Mary

  Paper
17:45 - 18:00
Conversion from Telecom to Atomic Photons by Four-Wave Mixing in a Warm Rb Cell (FW4C.4)
Presenter: Jonathan Kwolek, U.S. Naval Research Laboratory


We convert telecom photons at 1530 nm to atomic photons on the 87Rb D1 transition at 795 nm in a warm vapor with efficiency near 10% by employing efficient optical pumping and four-wave mixing.

Authors:Michal Piotrowicz/Jacobs Adam Black/U.S. Naval Research Laboratory Jonathan Kwolek/U.S. Naval Research Laboratory Mark Bashkansky/U.S. Naval Research Laboratory

  Paper
18:00 - 18:15
Demonstration of an Atomic Frequency Comb Quantum Memory Using Velocity-Selective Pumping in Warm Alkali Vapour (FW4C.5)
Presenter: Thomas Hird, University of Oxford

We present the first demonstration of velocity-selective pumping in an atomic vapour to preserve light-matter coherence. Control is illustrated by a subsequent demonstration of an atomic frequency comb quantum memory realised in the vapour.

Authors:Thomas Hird/University of Oxford Dougal Main/University of Oxford Shaobo Gao/University of Oxford Eren Oğuz/University of Oxford Dylan Saunders/University of Oxford Ian Walmsley/University of Oxford Patrick Ledingham/University of Oxford

  Paper
18:15 - 18:30
Simultaneous laser cooling of multiple atomic species using an optical frequency comb (FW4C.6)
Presenter: Ticijana Ban, Institut za Fiziku


We report on simultaneous laser cooling of two rubidium isotopes by using a frequency comb. Cooling is achieved by using two different comb modes from the spectrum of the frequency comb, on a dipole-allowed transition and in a one dimensional beam geometry.

Authors:Ticijana Ban/Institut za Fiziku Damir Aumiler/Institut za Fiziku Danijel Buhin/Institut za Fiziku Fabian Schmidt/Max Planck Institute of Quantum Optics Mateo kruljac/Institut za Fiziku Domagoj Kovacic/Institut za Fiziku

  Paper
18:30 - 18:45
Single-Shot Absorption Imaging of Ultracold Atoms Using Deep-Neural-Network (FW4C.7)
Presenter: Gal Ness, Technion - Israel Institute of Technology

We demonstrate the use of a deep-neural-network to perform absorption imaging of ultracold atoms in a single exposure. The noise in the resulting images is smaller, hence physical observables can be extracted with better accuracy.

Authors:Gal Ness/Technion - Israel Institute of Technology Anastasiya Vainbaum/Technion - Israel Institute of Technology Constantine Shkedrov/Technion - Israel Institute of Technology Yanay Florshaim/Technion - Israel Institute of Technology Yoav Sagi/Technion - Israel Institute of Technology

  Paper
18:45 - 19:00
Interferometric Control of Photo-Chemical Reactions in 87Rb Bose-Einstein Condensates (FW4C.8)
Presenter: Hasan Kondakci, Purdue University

We report on an interferometric control of photo-chemical reactions in 87Rb condensates, where the scattering channels behaves as if the arms of an interferometer. We control the relative phase between the scattering channels by exploiting the quadratic Zeeman shift at low magnetic field strengths.

Authors:Hasan Kondakci/Purdue University David Blasing/Purdue University Chuan-Hsun Li/Purdue University Yong Chen/Purdue University

  Paper

Fiber Lasers II (SW4R)
Presider: Guoqing Chang, Institute of Physics, CAS

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17:00 - 17:15
Compact, alignment-free, environmentally stable dispersion compensated femtosecond Yb-fiber oscillator (SW4R.1)
Presenter: Yuxuan Ma, DESY

We demonstrate a fully integrated alignment free, femtosecond Yb:fiber laser operating in the stretched pulse regime. After compression, the laser provides a long-term stable output of 104 fs pulses at 76 MHz repetition rate.

Authors:Yuxuan Ma/DESY Haydar Salman/DESY Chen Li/DESY Christoph Mahnke/DESY Jakob Fellinger/University of Vienna Aline Sophie Mayer/University of Vienna Oliver Heckl/University of Vienna Christoph Heyl/DESY Ingmar Hartl/DESY

  Paper
17:15 - 17:30
All-PM dual-comb fiber ring laser using CNT-SA (SW4R.2)
Presenter: Kota Uyama, The University of Tokyo

We propose a new truly all-PM dual-comb fiber laser using CNT-SA. We demonstrated stable polarization-multiplexed mode-locked operation by compensating the PDL. The repetition frequency difference between the two polarization-multiplexed outputs was 413 Hz.

Authors:Kota Uyama/The University of Tokyo takuma shirahata/The University of Tokyo Lei Jin/The University of Tokyo Sze Set/The University of Tokyo Shinji Yamashita/The University of Tokyo

  Paper
17:30 - 17:45
Generation of 64 fs, 10 kW Peak-Power, Transform-Limited Pulses Directly From an Yb-Doped Figure-9 Fiber Laser (SW4R.3)
Presenter: Marvin Edelmann, Universität Oldenburg

We numerically and experimentally generate transform-limited, 64 fs pulses with 10 kW peak-power directly from the output of a modified Yb-doped Figure-9 fiber laser by overdriving the transmittance of the NALM.

Authors:Marvin Edelmann/Universität Oldenburg Yi hua/DESY Andrea Koch/University of Applied Science and Art Franz KÄRTNER/DESY

  Paper
17:45 - 18:00
2 GHz Regeneratively Mode-locked Laser at 2 Micron (SW4R.4)
Presenter: Jiarong Qin, Nanjing University

We have for the first time demonstrated a 2 GHz regeneratively mode-locked 2 μm fiber laser with PLL operation, which shows long-term stability. Such a source is well suited for soliton communications and signal processing.

Authors:Jiarong Qin/Nanjing University Weiqi Jiang/Nanjing University Shiyu Zhu/Nanjing University Ruihong Dai/Nanjing University Yafei Meng/Nanjing University Yao Li/Nanjing University Fengqiu Wang/Nanjing University

  Paper
18:00 - 18:15
1.6-1.7 um Wavelength Tunable, All-Polarization Maintaining, Dual-Comb Fiber Laser with Single Wall Carbon Nanotube for Dual Comb Spectroscopy (SW4R.5)
Presenter: Norihiko Nishizawa, Nagoya University

We developed 1.6-1.7 um wavelength tunable, polarization-maintaining dual comb fiber laser. Spectral width was controlled and wideband measurement was realized without bandpass filters. Absorption spectra of CH4 gas was observed in this wide range.

Authors:Norihiko Nishizawa/Nagoya University Yuki Kanehara/Nagoya University Masahito Yamanaka/Nagoya University Ryohei Terabayashi/Nagoya University Emiko Omoda/AIST hiromichi kataura/AIST Youichi Sakakibara/AIST

  Paper
18:15 - 18:30
(Withdrawn) SimpleCW-UV generator by SHG technique with double-clad Pr-doped waterproof fluoro-aluminate glass fiber laser (SW4R.6)
Presenter: Yasushi Fujimoto, Chiba Institute of Technology

Wedemonstrated a CW-UV output over 500 mW using a single-mode double-clad structured Pr-doped waterproof fluoride glass fiber laser by a SHG technique and suggest this system produces a very unique and simple CW-UV generator.

Authors:Yasushi Fujimoto/Chiba Institute of Technology Masamori Nakahara/Kimmon Koha Co., Ltd. Paul Binun/Kimmon Koha Co., Ltd. Shinji Motokoshi/Institute for Laser Technology Osamu Ishii/Sumita Optical Glass, Inc. Muneyuki Watanabe/Sumita Optical Glass, Inc. Masaaki Yamazaki/Sumita Optical Glass, Inc. Tsutomu Shinozaki/Kimmon Koha Co., Ltd. Tsuyoshi Sato/Kimmon Koha Co., Ltd. Masaki Fukagawa/Kimmon Koha Co., Ltd.

18:30 - 18:45
Dispersion-managed Tm-doped fiber laser mode-locked with a black phosphorus saturable absorber (SW4R.7)
Presenter: Meng Zhang, Beihang University

We demonstrate an all-fiber Tm-doped mode-locked fiber laser utilizing a black phosphorus saturable absorber. The oscillator delivers self-starting, 139 fs pulses centered at 1859 nm with 55.6 nm spectral bandwidth.

Authors:Qian Zhang/Beihang University Xinxin Jin/Beihang University Guohua Hu/University of Cambridge Meng Zhang/Beihang University Zheng Zheng/Beihang University Tawfique Hasan/University of Cambridge

  Paper
18:45 - 19:00
Femtosecond Nd:fiber laser at 920nm mode-locked by biased NALM (SW4R.8)
Presenter: Siying Wang, Peking University

We demonstrate a mode-locked NALM polarization-maintaining Nd:fiber laser at 920 nm with a repetition rate of 43.6 MHz. The average output power is 8 mW and the pulse width is 109 fs.

Authors:Siying Wang/Peking University Yijun Li/Beijing Transcend Vivoscope Biotech Co., Ltd Yanchuan Chen/Beijing Transcend Vivoscope Biotech Co., Ltd Yuqian Gao/Beijing Transcend Vivoscope Biotech Co., Ltd Zhigang Zhang/Peking University Aimin Wang/Peking University

  Paper

Far Infrared to Terahertz Band Semiconductor Devices (AW4M)
Presider: Oleg Khodykin, KLA-Tencor Corp

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17:00 - 17:30
(Withdrawn) Quantum Engineering of Broadband Quantum Cascade THz Lasers Operating as Random Sources or Fully Stabilized Optical Frequency Comb Synthesizers (AW4M.1)
Presenter: Miriam Vitiello, Scuola Normale Superiore di Pisa

We demonstrate low spatially coherent and highly temporal coherent, broadband, continuous-wave quantum-cascade random-lasers and record dynamic range, high-power, fully stabilized, QCL frequency-combs opening the route for novel applications in speckle-free imaging and quantum-metrology.

Authors:Miriam Vitiello/Scuola Normale Superiore di Pisa


Invited
17:30 - 17:45
High-power continuously tunable terahertz beat note generation based on a generic photonic integration platform (AW4M.2)
Presenter: PENGLI AN, Aarhus University

We generate a continuously tunable terahertz beat note, with a maximum output power of 50 mW and frequency range from 807 to 915 GHz, by using the device implemented on a generic photonic integration platform.

Authors:PENGLI AN/Aarhus University Erwin Bente/Eindhoven University of Technology Martijn Heck/Aarhus University

  Paper
17:45 - 18:00
A Thin Film Black Phosphorus Light-Emitting Diode (AW4M.3)
Presenter: Junjia Wang, Polytechnique Montreal

We demonstrate a black phosphorus light-emitting diode based on a black phosphorus/molybdenum disulfide heterostructure. The device shows an electroluminescence maximum at a wavelength of 3.68 μm with an internal quantum efficiency of ~1%.

Authors:Junjia Wang/Polytechnique Montreal Adrien Rousseau/Polytechnique Montreal Mei Yang/Polytechnique Montreal Tony Low/University of Minnesota Sébastien Francoeur/Polytechnique Montreal Stéphane Kéna-Cohen/Polytechnique Montreal

  Paper
18:00 - 18:30
Absorption Enhancement in Terahertz Photoconductive Antenna by Means of the Novel Types of Metamaterials (AW4M.4)
Presenter: Tatjana Gric, Aston university

We numerically investigate terahertz photoconductive antenna based on optimized plasmonic nanostructures, stressing the stronger enhancement in case of transparent conducting oxide nanowires. The case is treated by means of local and nonlocal effective medium approximations.

Authors:Tatjana Gric/Aston university Edik Rafailov/Aston university


Invited
  Paper
18:30 - 18:45
Frequency blue chirp in Fabry-Perot cavity QCL (AW4M.5)
Presenter: Dmitri Boiko, CSEM

The spectral measurement of the blue chirped emission in FP cavity QCL operating at 8.15 µm has been successfully demonstrated. The output frequency of the laser was swept over the spectral range of 25 cm-1 within 2 µs.

Authors:Sanghoon Chin/CSEM Valentin Mitev/CSEM Dmitri Boiko/CSEM

  Paper
18:45 - 19:00
Co-Occurrence of Resonance and Non-Resonance Tunneling Injection Processes in Quantum Dot Gain Media (AW4M.6)
Presenter: Igor Khanonkin, Technion- Israel Institute of Technology

Resonance and non-resonance tunneling processes in tunneling injection quantum dot gain media were demonstrated, to occur simultaneously. Our finding sheds light on the basic tunneling injection schemes and their proper utilization in quantum dot lasers.

Authors:Igor Khanonkin/Technion- Israel Institute of Technology Ori Eyal/Technion- Israel Institute of Technology Sven Bauer/Kassel University Johann Reithmaier/Kassel University Gadi Eisenstein/Technion- Israel Institute of Technology

  Paper

Optimization of Laser Based Manufacturing (AW4I)
Presider: Dirk Mueller, Coherent Inc

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17:00 - 17:30
Ultrafast laser ablation of silicon with ~GHz bursts (AW4I.1)
Presenter: Jan Kleinert, MKS|ESI

We report on a systematic study of silicon ablation with 864 MHz bursts of green fs laser pulses, compare it to non-burst benchmark results and elucidate the key ablation mechanisms via a hydrodynamic multiphysics model.

Authors:Jan Kleinert/MKS|ESI Hisashi Matsumoto/MKS|ESI Zhibin Lin/MKS|ESI


Invited
  Paper
17:30 - 17:45
GHz femtosecond ablation: efficiency and quality aspects (AW4I.2)
Presenter: Clemens Hoenninger, Amplitude Systemes

GHz femtosecond ablation results in high specific removal rates. The efficiency increase can be explained by combined non-thermal and thermal contributions in the laser-matter interaction. We study the impact of the efficiency gain on the obtained processing quality.

Authors:Guillaume Bonamis/Amplitude Systemes Konstantin Mishchik/Amplitude Systemes Eric Audouard/Amplitude Systemes Eric Mottay/Amplitude Systemes Clemens Hoenninger/Amplitude Systemes John Lopez/Université Bordeaux Inka Manek-Hönninger/Université Bordeaux

  Paper
17:45 - 18:00
Investigations Concerning the Removal Rate and Surface Quality for Laser Machining with GHz bursts in Real Surface Structuring Applications (AW4I.3)
Presenter: Beat Neuenschwander, Bern University of Applied Sciences

fs-GHz-burst experiments with up to 25 pulses per burst show strong melting effects and a tremendous decrease of the removal rate. The latter follows the tendency obtained for single pulses of corresponding pulse duration.

Authors:Beat Neuenschwander/Bern University of Applied Sciences Stefan Remund/Bern University of Applied Sciences Markus Gafner/Bern University of Applied Sciences Michalina Veronika Chaja/Bern University of Applied Sciences Aivaras Urniezius/LIGHTCONVERSION Simas Butkus/LIGHTCONVERSION

  Paper
18:00 - 18:15
Nonlinear Resolution: A Misconception in Femtosecond Laser Ablation (AW4I.4)
Presenter: Mario Garcia-Lechuga, CNRS/Aix-Marseille Univ.

We demonstrate a systematic one-to-one mapping between femtosecond laser ablation features and beam contours at a strict threshold-intensity. This is independent of the nonlinearity of interaction varied using various wavelengths and dielectric materials.

Authors:Mario Garcia-Lechuga/CNRS/Aix-Marseille Univ. Olivier Utéza/CNRS/Aix-Marseille Univ. Nicolas Sanner/CNRS/Aix-Marseille Univ. Andong Wang/CNRS/Aix-Marseille Univ. David Grojo/CNRS/Aix-Marseille Univ.

  Paper
18:15 - 18:30
(Withdrawn) High Throughput Surface Functionalization of Injection Molds with High Average Power Femtosecond Lasers (AW4I.5)
Presenter: Rainer Kling, ALPhANOV

Direct laser texturing on metal surfaces has be applied to modify bacterial adhesion. To avoid biofilm generation on dish washers we present the high troughput surface functionalization and antibacterial performance of the water tank.

Authors:Rainer Kling/ALPhANOV Laura Gemini/ALPhANOV Luca Romoli/Università degli Studi di Parma Javier Graus/Infinitia Reseach S.L Marc Faucon/ALPhANOV benoit tropheme/Amplitude Clemens Hoenninger/Amplitude

18:30 - 18:45
Laser Additive Manufacturing through Opto-thermo-mechanical Printing under Ambient Conditions (AW4I.6)
Presenter: Md Shah Alam, University of Dayton

This work represents a low-cost additive manufacturing using laser assisted thermo-mechanical printing of metallic nanoparticles under ambient conditions. This method offers enormous prospective in 3D printing technology at submicron and nano scale.

Authors:Md Shah Alam/University of Dayton Chenglong Zhao/University of Dayton

  Paper
18:45 - 19:00
Laser De-bonding from Silicon Wafers with Picosecond 2.09-µm Holmium Laser (AW4I.7)
Presenter: Ignas Astrauskas, Photonics institute, TU Wien

We study an effect of pulse duration of 2.09-mm laser on the laser de-bonding of gold from silicon wafers. Developed picosecond Ho:YAG laser with a simple dispersion management is found to be optimal for the process.

Authors:Ignas Astrauskas/Photonics institute, TU Wien Boris Povazay/EV Group E.Thallner GmbH Audrius Pugzlys/Photonics institute, TU Wien Andrius Baltuska/Photonics institute, TU Wien

  Paper

19:00 - 20:30 (UTC - 00:00)

Workshop on Quantum Networks: Challenges and Opportunities (JW5A)

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19:00 - 21:00 (UTC - 00:00)

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