2022 Schedule

Virtual: Ferroelectric Materials and Microcombs

1. 4:00 - 4:30

   (UTC - 07:00)
   STu1C.1

   Electro-Optic-Modulator-Based Integrated Optical Isolator

   Presenter: Mengjie Yu, Harvard University, United States

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   Highlighted Talk

   We realized an optical isolation of 48 dBm using a travelling-wave electro-optic phase modulator on thin-film lithium niobate platform. We showed our device successfully protects the linewidth of an integrated III-V laser.Authors: Mengjie Yu, Harvard University / Rebecca Cheng, Harvard University / Christian Reimer, HyperLight / Lingyan He, HyperLight / Kevin Luke, HyperLight / Eric Puma, Harvard University / Linbo Shao, Harvard University / Amirhassan Shams-Ansari, Harvard University / Hannah Grant, Freedom Photonics / Leif Johansson, Freedom Photonics / Mian Zhang, HyperLight / Marko Loncar, Harvard University
2. 4:30 - 4:45

   (UTC - 07:00)
   STu1C.3

   Dissipative Soliton Generation and Interaction in Chimera Laser Cavities

   Presenter: Mingming Nie, University of Colorado Boulder, United States

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   We theoretically unveil the mode-locking principle in microresonator-filtered laser cavities and predict chirped bright soliton with normal-dispersion microresonators. With ultrahigh-speed time magnifier, we experimentally observe real-time soliton rain harmonics and the first soliton Newton's cradle.Authors: Mingming Nie, University of Colorado Boulder / Bowen Li, University of Colorado Boulder / Shu-Wei Huang, University of Colorado Boulder
3. 4:45 - 5:00

   (UTC - 07:00)
   STu1C.4

   Sampling Timing Jitter in Dispersion-Managed Frequency Microcombs via a Fiber Interferometer

   Presenter: Wenting Wang, University of California Los Angeles, United States

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   We characterized timing jitter of dispersion-managed frequency microcomb with femtosecond timing resolution through fiber interferometry for the first time. The measured timing jitter PSD and integrated timing jitter are 0.4 as2/Hz and 1.7 fs.Authors: Wenting Wang, University of California Los Angeles / hao liu, University of California Los Angeles / Tristan Melton, University of California Los Angeles / jinghui yang, University of California Los Angeles / Abhinav Kumar, University of California Los Angeles / jinkang lim, University of California Los Angeles / yoonsoo jang, University of California Los Angeles / Heng Zhou, University of California Los Angeles / Mingbin Yu, University of California Los Angeles / Dim-Lee Kwong, University of California Los Angeles / Peter DeVore, University of California Los Angeles / Jason Chou, University of California Los Angeles / Chee Wei Wong, University of California Los Angeles
4. 5:00 - 5:15

   (UTC - 07:00)
   STu1C.5

   Dissipative Kerr Soliton Induced by Intermodal Cascaded Stimulated Brillouin Scattering in Graded-Index Multimode Fiber Fabry-Pérot Microresonators

   Presenter: Mingming Nie, University of Colorado Boulder, United States

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   We demonstrate the first intermodal cascaded SBS up to three orders and corresponding Brillouin-Kerr soliton microcombs in a multimode fiber FP microresonator, along with the coexisting Raman combs and Turing pattern for the pump mode.Authors: Mingming Nie, University of Colorado Boulder / Shu-Wei Huang, University of Colorado Boulder
5. 5:15 - 5:30

   (UTC - 07:00)
   STu1C.6

   a Thin Film Barium Titanate-on-Insulator Optoelectronics Platform With Various Photonic Devices

   Presenter: YU CAO, National University of Singapore, Singapore

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   We present a thin-film barium titanate-on-insulator platform and its optical and electro-optic properties, some of which are superior to lithium niobate-on-insulator, and discuss our progress in device fabrication, performance, and some unique device architecture designs.Authors: YU CAO, National University of Singapore / Jun Da Ng, National University of Singapore / Hong-Lin Lin, National University of Singapore / Jianbo Shao, National University of Singapore / Luo Qi, National University of Singapore / Shawn Yohanes Siew, Advanced Micro Foundry / Elhadj Dogheche, Université Polytechnique Hauts-de-France / Aaron Danner, National University of Singapore
6. 5:30 - 5:45

   (UTC - 07:00)
   STu1C.7

   Thermal Control of Kerr Microresonator Soliton Comb via an Optical Sideband

   Presenter: Kenji Nishimoto, Tokushima University, Japan

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   We demonstrate the thermal control of a microresonator soliton comb via an optical sideband, in which the detuning is passively fixed, enabling the robust and frequency-tunable soliton comb as well as the phase noise reduction.Authors: Kenji Nishimoto, Tokushima University / Kaoru Minoshima, The University of Electro-Communications / Takeshi Yasui, Tokushima University / Naoya Kuse, Tokushima University
7. 5:45 - 6:00

   (UTC - 07:00)
   STu1C.2

   Electro-Optic Frequency-Comb Generation in Monolithically Integrated, Low-Loss Barium Titanate Waveguides

   Presenter: Charles Möhl, IBM Research Europe, Zurich, Switzerland

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   We present a monolithically integrated, low-loss photonic platform based on all-barium-titanate ridge waveguides. The platform is used to demonstrate the first on-chip generation of electro-optic frequency combs in barium titanate.Authors: Charles Möhl, IBM Research Europe, Zurich / Clarissa Convertino, Lumiphase AG / Felix Eltes, Lumiphase AG / Paul Seidler, IBM Research Europe, Zurich

Virtual: Quantum Optics of Atoms, Molecules and Solids

1. 4:00 - 4:15

   (UTC - 07:00)
   FTu1A.1

   Emission From Arrays of Tm³⁺ Ions in Solid-State Microphotonics

   Presenter: Mahdi Hosseini, Purdue University, United States

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   Using an ion implantation technique, we demonstrate that precisely implanted arrays of thulium ions can be engineered to study collective and coherent light-atom interactions on solid-state lithium niobate ring resonators.Authors: Dongmin Pak, Purdue University / Arindam Nandi, Purdue University / Michael Titze, Sandia National Laboratories / Edward Bielejec, Sandia National Laboratories / Hadiseh Alaeian, Purdue University / Mahdi Hosseini, Purdue University
2. 4:15 - 4:30

   (UTC - 07:00)
   FTu1A.2

   Sympathetic Cooling of Nanoparticles Levitated in a Paul Trap

   Presenter: Dmitry Bykov, Leopold-Franzens Universitat Innsbruck, Austria

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   We demonstrate three-dimensional sympathetic cooling of the center-of-mass motion of a silica nanoparticle. The nanoparticle is coupled to a feedback-cooled particle in an ion trap. We investigate limits of the process and discuss optimum strategies.Authors: Dmitry Bykov, Leopold-Franzens Universitat Innsbruck / Lorenzo Dania, Leopold-Franzens Universitat Innsbruck / Florian Goschin, Leopold-Franzens Universitat Innsbruck / Tracy Northup, Leopold-Franzens Universitat Innsbruck
3. 4:30 - 4:45

   (UTC - 07:00)
   FTu1A.3

   Bypassing Dynamic Reciprocity via a Chiral Cross-Kerr Nonlinearity

   Presenter: Keyu Xia, Nanjing University, China

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   The optical Kerr nonlinearity can't be used to achieve on-chip optical nonreciprocity because of dynamic reciprocity. Here, we propose a chiral cross-Kerr nonlinearity to bypass dynamic reciprocity and to achieve all-optical nonreciprocity on a chip.Authors: Keyu Xia, Nanjing University / Franco Nori, RIKEN Cluster for Pioneering Research / Min Xiao, University of Arkansas
4. 4:45 - 5:00

   (UTC - 07:00)
   FTu1A.4

   (Withdrawn) Optical Ramsey Spectroscopy of a Single Molecule

   Presenter: Yijun Wang, University Stuttgart, Germany

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   A comprehensive measurement of a single molecule's electronic state coherence is shown here. We implement a pump-probe experiment in a Ramsey-type pulse sequence to measure the coherence time and compare it with conventional methods.Authors: Yijun Wang, University Stuttgart / Vladislav Bushmakin, University Stuttgart / Guilherme Stein, University Stuttgart / Andreas Schell, Leibniz University Hannover / Ilja Gerhardt, University Stuttgart

Virtual: Novel Modes and Coupling Phenomena

1. 4:00 - 4:15

   (UTC - 07:00)
   FTu1B.1

   Physics-Informed Machine Learning of Optical Modes in Composites

   Presenter: Abantika Ghosh, University of Massachusetts Lowell, United States

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   We present machine learning techniques that incorporate physics into the training process. We demonstrate, on example of predicting light propagation in multilayered composites, that physics-informed models are significantly more robust than their black box counterparts.Authors: Abantika Ghosh, University of Massachusetts Lowell / Mohannad Elhamod, Virginia Tech. / Jie Bu, Virginia Tech. / Wei-Cheng Lee, Binghamton University / Anuj Karpatne, Virginia Tech. / Viktor Podolskiy, University of Massachusetts Lowell
2. 4:15 - 4:30

   (UTC - 07:00)
   FTu1B.2

   Demonstration of Orbital Corner States in Higher-Order Photonic Topological Insulators

   Presenter: Zhichan Hu, Nankai University, China

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   We report higher-order orbital corner states in two-dimensional Su-Schrieffer-Heeger (SSH) photonic lattices- representing an orbital HOTI model. With appropriately shaped input beams, we explore orbital corner excitations in topologically nontrivial and trivial regimes.Authors: Domenico Bongiovanni, Nankai University / Zhichan Hu, Nankai University / Ziteng Wang, Nankai University / Xiangdong Wang, Nankai University / Yahui Zhang, Nankai University / Dario Jukić, University of Zagreb / yi hu, Nankai University / Daohong song, Nankai University / Roberto Morandotti, INRS / Hrvoje Buljan, Nankai University / Zhigang Chen, Nankai University
3. 4:30 - 4:45

   (UTC - 07:00)
   FTu1B.3

   (Withdrawn) Magic-Angle Flat-Band Effects in Bilayer Moiré Photonics

   Presenter: Kaichen Dong, University of California, Berkeley, United States

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   We formulate a coupled-mode theory for bilayer honeycomb photonic crystals at small twists and discover magic-angle effects in this system, including non-Anderson-type localization, photonic flat bands, and spiky photonic density-of-states.Authors: Kaichen Dong, University of California, Berkeley / Tiancheng Zhang, University of California, Berkeley / Jiachen Li, University of California, Berkeley / Qingjun Wang, University of California, Berkeley / Fuyi Yang, University of California, Berkeley / Yoonsoo Rho, University of California, Berkeley / Danqing Wang, University of California, Berkeley / Costas Grigoropoulos, University of California, Berkeley / Junqiao Wu, University of California, Berkeley / Jie Yao, University of California, Berkeley
4. 4:45 - 5:00

   (UTC - 07:00)
   FTu1B.4

   (Withdrawn) Ultrastrong Plasmon-Plasmon Coupling in the Context of Dicke Cooperativity at Ambient Conditions

   Presenter: Riad Yahiaoui, UIC, United States

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   Here, we report a new type of cooperatively enhanced matter-matter ultrastrong coupling at room temperature.Authors: Riad Yahiaoui, UIC / Thomas Searles, UIC
5. 5:00 - 5:15

   (UTC - 07:00)
   FTu1B.5

   Anisotropic Dirac Cone and Slow Edge States in a Photonic Floquet Lattice

   Presenter: Xiankai Sun, The Chinese University of Hong Kong, Hong Kong

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   We have proposed a photonic Floquet lattice that supports anisotropic Dirac cones and topological edge states. Under the anisotropic condition, these slow edge states exhibit robustness against disorder, which enable new applications in slow-light systems.Authors: Yuan Li, The Chinese University of Hong Kong / Xiankai Sun, The Chinese University of Hong Kong
6. 5:15 - 5:30

   (UTC - 07:00)
   FTu1B.6

   Topological Corner States Mediated by Quadrupole Polarization and Dirac-Like Band Touching

   Presenter: Xiangdong Wang, Nankai University, China

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   We demonstrate corner states in trivial and nontrivial 2D SSH lattices diagonally stretched to exhibit both HOTI and higher-order semimetal-like features and examine the underlying topological mechanisms from the calculated spectral phase density.Authors: Xiangdong Wang, Nankai University / Ziteng Wang, Nankai University / Zhichan Hu, Nankai University / Domenico Bongiovanni, Nankai University / Daohong song, Nankai University / Roberto Morandotti, INRS / Hrvoje Buljan, Nankai University / Zhigang Chen, Nankai University
7. 5:30 - 5:45

   (UTC - 07:00)
   FTu1B.7

   Controlling Light Emission With Photonic Funnels

   Presenter: Jacob LaMountain, University of Massachusetts Lowell, United States

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   We analyze the interaction between a nanoscale emitter and a photonic funnel with a metamaterial core and demonstrate that funnel structures can significantly improve out-coupling efficiency of light as compared with their planar plasmonic counterparts.Authors: Jacob LaMountain, University of Massachusetts Lowell / Evan Simmons, University of Massachusetts Lowell / Aaron Muhowski, University of Texas Austin / kun li, University of Texas Austin / Jiaming Xu, University of Texas Austin / Dan Wasserman, University of Texas Austin / Viktor Podolskiy, University of Massachusetts Lowell
8. 5:45 - 6:00

   (UTC - 07:00)
   FTu1B.8

   Magnetic Quadrupole Excitation in Meta-Atoms Using Structured Light

   Presenter: Danilo Gomes Pires, Duke University, United States

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   We investigate how structured light can enhance and alter the excitation of high-order multipole moments in silicon nanocubes due to its complex field gradient.Authors: Danilo Gomes Pires, Duke University / Pavel Terekhov, The Pennsylvania State University / Jiannan Gao, Duke University / Nitish Chandra, Duke University / Natalia Litchinitser, Duke University

Joint Plenary Session I

  Watch Recorded Session  

1. JTu2A.1

   The Wedding of Maxwell and SchröDinger

   Presenter: Dana Anderson, University of Colorado Boulder, United States

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   Plenary

   One can achieve all sorts of useful things, from clocks to computers and many things in between including RF sensors, inertial sensors, and quantum signal processors, using lasers to cool atoms to near absolute zero temperature, and then further manipulating these ultracold atoms with light. We envision a future in which such quantum matter systems are as everyday as lasers are today.Authors: Dana Anderson, University of Colorado Boulder
2. JTu2A.2

   Seeing Through Walls and Around Corners: Shaping the Flow of Light in Complex Media

   Presenter: Hui Cao, Yale University, United States

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   Plenary

   A major obstacle for optical imaging or sending information through turbid media is the random scattering of light. Recent advances in optical wavefront shaping and phase recording techniques have enabled spatial and temporal control of coherent light propagation in strongly scattering tissues and multimode optical fibers with random mode mixing.Authors: Hui Cao, Yale University

Ultrafast laser pulse compression, shaping, and characterization

Photonic Metamaterials

Joint Poster Session I-A (In-person)

Joint Poster Session I-B (Virtual)

Photonics Technologies for Biological Applications

1. 13:00 - 13:15

   (UTC - 07:00)
   ATu4K.1

   Retrieving Masked Signal Through Tracking and Wavefront Shaping

   Presenter: NAZIFA RUMMAN, Rensselaer Polytechnic Institute, United States

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   We present a novel approach that tracks and localizes hidden signal inside or behind scattering media. The method combines traditional feedback based wavefront shaping with a switch function that utilizes two different feedback signals.Authors: NAZIFA RUMMAN, Rensselaer Polytechnic Institute / Tianhong Wang, Rensselaer Polytechnic Institute / Kaitlin Jennings, Rensselaer Polytechnic Institute / Pascal Bassène, Rensselaer Polytechnic Institute / Finn Buldt, Rensselaer Polytechnic Institute / Moussa N'Gom, Rensselaer Polytechnic Institute
2. 13:15 - 13:30

   (UTC - 07:00)
   ATu4K.2

   Electro-Plasmonic Nanoantennas for in Vivo Neural Sensing

   Presenter: Neil Hardy, UCSC, United States

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   Electro-plasmonic nanoantennas (NeuroSWARM3) translate local electric fields to changes in scattering intensity to wirelessly sense neural activity with high resolution, throughput, and SSNR while operating in the NIR spectrum for deep tissue penetration.Authors: Neil Hardy, UCSC / Ahsan Habib, UCSC / Tanya Ivanov, UCSC / Ali Yanik, UCSC
3. 13:30 - 13:45

   (UTC - 07:00)
   ATu4K.3

   Microfluidic Pumps With Laser Streaming From Tips of Optical Fibers and Sewing Needles

   Presenter: Tian Tong, University of Houston, United States

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   We demonstrate a versatile microfluidic pump using laser streaming from optical fiber facet and sewing needle tip. The high-speed directional jet flow successfully drives fluid inside a capillary tube, paving the way for biomedical applications.Authors: Tian Tong, University of Houston / Shuai Yue, University of Houston / Runjia Li, University of Houston / Feng Lin, University of Houston / Di Chen, University of Houston / Xinxin Xing, University of Houston / Wei-Kan Chu, University of Houston / Dong Liu, University of Houston / Zhiming Wang, University of Electronic Science and Technology of China / Jiming Bao, University of Houston
4. 13:45 - 14:00

   (UTC - 07:00)
   ATu4K.4

   Self-Referenced Multiplex CARS Imaging Using Beam Self-Cleaning in GRIN Multimode Fiber

   Presenter: Tigran Mansuryan, Université de Limoges, XLIM, UMR CNRS 7252, France

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   Spatial beam self-cleaning process in graded-index multimode optical fiber was successfully applied for self-referenced multiplex coherent anti-Stokes Raman Scattering (M-CARS) based imaging. M-CARS spectroscopy of methanol and imaging of polystyrene bead are reported through a simplified scheme.Authors: Tigran Mansuryan, Université de Limoges, XLIM, UMR CNRS 7252 / Sahar Wehbi, Université de Limoges, XLIM, UMR CNRS 7252 / Katarzyna Krupa, Institute of Physical Chemistry, Polish Academy of Sciences / Marc Fabert, Université de Limoges, XLIM, UMR CNRS 7252 / Alessandro Tonello, Université de Limoges, XLIM, UMR CNRS 7252 / Mario Zitelli, Sapienza University of Rome / Mario Ferraro, Sapienza University of Rome / Fabio Mangini, Department of Information Engineering, University of Brescia / Yifan Sun, Sapienza University of Rome / Sébastien Vergnole, ALPhANOV, Optics & Lasers Technology Center, Institut d'optique d'Aquitaine / Stefan Wabnitz, Sapienza University of Rome / Vincent Couderc, Université de Limoges, XLIM, UMR CNRS 7252
5. 14:00 - 14:30

   (UTC - 07:00)
   ATu4K.5

   High-Throughput Time-Domain Terahertz Imaging

   Presenter: Mona Jarrahi, University of California Los Angeles, United States

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   Invited

   We use a two-dimensional array of plasmonic photoconductive nanoantennas for high-throughput time-domain terahertz imaging without using raster scanning or spatial beam modulation.Authors: Mona Jarrahi, University of California Los Angeles
6. 14:30 - 14:45

   (UTC - 07:00)
   ATu4K.6

   1920 nm Pulse Generation From Hybrid Parametric Oscillator for Vibrational Photoacoustic Imaging of Water

   Presenter: Najia Sharmin, The University of Hong Kong, Hong Kong

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   We present a powerful high-stability fiber-based hybrid optical parametric oscillator at 1920 nm, with less than ±0.5-ns pulse width jitter and 350-nJ peak pulse energy, suitable for the bond-selective photoacoustic imaging of water.Authors: Najia Sharmin, The University of Hong Kong / Huajun Tang, The University of Hong Kong / Jiawei Shi, The University of Hong Kong / Yitian Tong, The University of Hong Kong / Kenneth Wong, The University of Hong Kong
7. 14:45 - 15:00

   (UTC - 07:00)
   ATu4K.7

   in Situ DNA Hybridization Detection Using Dual-Channel Optical Fiber Sensor With Temperature Compensation

   Presenter: Xue Zhou, Northeastern University, China

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   We demonstrate, for the first time to our knowledge, the dual parameter measurement of temperature and DNA sequence by simultaneously using SPR and MZI in a simple single mode fiber-no-core fiber-SMF structure.Authors: Xue Zhou, Northeastern University / Pengqi Gong, Northeastern University / Shankun Wang, Northeastern University / Yanan Zhang, Northeastern University / Yong Zhao, Northeastern University / Linh Viet Nguyen, The University of Adelaide / Stephen C. Warren-Smith, The University of Adelaide / Xuegang Li, Northeastern University

Laser Induced Surface Functionalization

1. 13:00 - 13:15

   (UTC - 07:00)
   ATu4C.1

   Controllable Material Removal and Polishing of Glass Using Femtosecond Lasers

   Presenter: Gong Chen, Rochester Institute of Technology, United States

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   Femtosecond laser polishing of glass is demonstrated for the first time, achieving controllable material removal and sub-nanometer surface roughness. This result opens a path for complex optical processing tasks on various materials.Authors: Gong Chen, Rochester Institute of Technology / Jie Qiao, Rochester Institute of Technology
2. 13:15 - 13:30

   (UTC - 07:00)
   ATu4C.2

   Femtosecond Laser-Induced Confined Nanocrystallization in Dielectric Multilayers

   Presenter: Ruben Ricca, EPFL, Switzerland

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   TiO2 nanoparticles are used in countless optical applications, from photovoltaics to detectors. Here, we demonstrate the use of ultrafast laser to form TiO2 nanocrystalline particles locally confined within a multi-layer stack, while preserving the surface.Authors: Ruben Ricca, EPFL / Yves Bellouard, EPFL
3. 13:30 - 13:45

   (UTC - 07:00)
   ATu4C.3

   on-Chip Transferrable Microdisk Lasers

   Presenter: KyongTae Park, Konkuk University, Korea (the Republic of)

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   We demonstrate a precisely on-chip transferrable low-threshold single microdisk laser on Si-post, using micro-structured polymer-assisted transfer-printing technique.Authors: KyongTae Park, Konkuk University / Min-Woo Kim, Konkuk University / Sun-Wook Park, Konkuk University / Ja-Hyun Ku, Konkuk University / You-Shin No, Konkuk University
4. 13:45 - 14:15

   (UTC - 07:00)
   ATu4C.4

   Role of Surface Plasmon Polaritons in Nanophotonics and Nanostructuring

   Presenter: Baerbel Rethfeld, TU Kaiserslautern, Germany

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   Invited

   Surface plasmon polaritons may induce a spatially modulated heat profile, which can cause the formation of laser-induced periodic surface structures (LIPSS). This contribution summarizes theoretical approaches and experimental verifications at different laser fluence regimes.Authors: Baerbel Rethfeld, TU Kaiserslautern / Pavel Terekhin, TU Kaiserslautern
5. 14:15 - 14:30

   (UTC - 07:00)
   ATu4C.5

   Ultrashort Laser Sintering of Printed Ag and Au Nanoparticle Thin Tracks on Heat Sensitive Substrates

   Presenter: Ayesha Sharif, National University of Ireland Galway, Ireland, Ireland

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   We propose an efficient sintering method for metal nanoparticles films on flexible heat sensitive substrate using femtosecond laser. Sheet resistance measurements and SEM micrographs reveal significant improvements in conductivity and grain size after laser sintering.Authors: Ayesha Sharif, National University of Ireland Galway, Ireland / Nazar Farid, National University of Ireland Galway, Ireland / Peter McGlynn, National University of Ireland Galway, Ireland / Gerard O'Connor, National University of Ireland Galway, Ireland
6. 14:30 - 14:45

   (UTC - 07:00)
   ATu4C.6

   Doped CQD-Based Two-Photon Fabrication of Fluorescent Micro/Nanostructures for Arsenic Species Detection

   Presenter: Sweta Rani, IITB-Monash Research Academy, India

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   We report fabrication of fluorescent micro/nanostructures by two-photon polymerization of sartomer (SR) with doped-carbon quantum dots for attomolar dimethylarsinate(DMA) detection. Fluorescent selective detection in picomolar range (50-300pM) was achieved followed by sensor fabrication (area∼100μmΧ100μm).Authors: Sweta Rani, IITB-Monash Research Academy / Rahul Das, IIT Bombay / Gaurav Singh, IIT Bombay / Arun Jaiswal, IIT Bombay / Sumit Saxena, IIT Bombay / Shobha Shukla, IIT Bombay
7. 14:45 - 15:00

   (UTC - 07:00)
   ATu4C.7

   Black Silicon Photodetector With Broadband Spectral Photoresponsivity and High Gain by Ti-Hyperdoping

   Presenter: Song Huang, Hefei University of Technology, China

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   Ti-hyperdoped black silicon photodetector is prepared by femtosecond laser irradiation, which exhibits high comprehensive properties with broadband spectral photoresponsivity and high gain, showing great potential in high-performance imaging and large-scale optoelectronic integration.Authors: Song Huang, Hefei University of Technology / Jinze Cao, Nankai University / Jiaxin Cao, Nankai University / Qiang Wu, Nankai University / Weiqing Gao, Hefei University of Technology / Jingjun Xu, Nankai University

Laser Absorption in Extreme Environments and Robust Sensing

1. 13:00 - 13:30

   (UTC - 07:00)
   ATu4I.1

   Laser Absorption Spectroscopy for Sensing in Extreme Environments

   Presenter: Christopher Strand, Stanford University, United States

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   Invited

   Laser absorption spectroscopy offers a powerful, and accessible, tool for quantitative measurements of key gas-phase properties under extreme temperature and pressure conditions. Sensor development from fundamental spectroscopy to practical implementation will be discussed.Authors: Christopher Strand, Stanford University
2. 13:30 - 13:45

   (UTC - 07:00)
   ATu4I.2

   A Laser Diagnostic for HCN Detection in mid-Infrared

   Presenter: Ali Elkhazraji, King Abdullah University of Science and Technology (KAUST), Saudi Arabia

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   A difference-frequency generation (DFG) laser is used to develop a diagnostic for HCN sensing near 14 μm. Pressure- and temperature-dependent absorption cross-sections are reported. The sensor is showcased in shock tube chemical kinetic experimentsAuthors: Ali Elkhazraji, King Abdullah University of Science and Technology (KAUST) / Mohammad Adil, King Abdullah University of Science and Technology (KAUST) / Binod Giri, King Abdullah University of Science and Technology (KAUST) / Mhanna Mhanna, King Abdullah University of Science and Technology (KAUST) / Nawaf Abualsaud, King Abdullah University of Science and Technology (KAUST) / Ahmed Ayidh Alsulami, King Abdullah University of Science and Technology (KAUST) / Mohammad Khaled Shakfa, King Abdullah University of Science and Technology (KAUST) / Marco Marangoni, Politecnico di Milano / Aamir Farooq, King Abdullah University of Science and Technology (KAUST)
3. 13:45 - 14:00

   (UTC - 07:00)
   ATu4I.3

   Exhaust Gas Diagnostics at Real Driving Conditions Using a Compact TDLAS Measurement System

   Presenter: Steven Wagner, Technical University of Darmstadt, Germany

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   We present a robust laser spectroscopic (TDLAS), multichannel, multi species measurement system for the quantification of exhaust gas species direct at the tail pipe end of a driving syn-fuel test car.Authors: Steven Wagner, Technical University of Darmstadt / Luigi Biondo, Technical University of Darmstadt / Gerken Henrik, Technical University of Darmstadt / Steinhaus Tim, Technical University of Darmstadt / Illmann Lars, Technical University of Darmstadt / Beidl Christian, Technical University of Darmstadt
4. 14:00 - 14:15

   (UTC - 07:00)
   ATu4I.4

   Spectral Gain Measurement of Extended L-Band EDFAs Using a Saturating Tone

   Presenter: Firat Durak, University Laval, Canada

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   We compare the spectral gain measurement of an extended L-band EDFA performed using a saturation tone combined with a tunable signal, to the measurement done with an L-band comb source. The optimum tone wavelength is investigated.Authors: Firat Durak, University Laval / Saber Jalilpiran, University Laval / Kaboko Jean-Jacques Monga, University Laval / Frédéric Maes, Huawei Technologies Canada Co. Ltd. / Lixian Wang, Huawei Technologies Canada Co. Ltd. / Younès Messaddeq, University Laval / Sophie Larochelle, University Laval
5. 14:15 - 14:30

   (UTC - 07:00)
   ATu4I.5

   Distance Measurement Using Opto-Electronic Oscillators

   Presenter: karim elglmady, National institute of standards, Egypt

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   Precise distance measurement plays an important role in surveying, construction and advanced engineering. A relatively simple method is proposed here to measure distances with sub-millimeter accuracy based on the low-frequency optoelectronic oscillations.Authors: karim elglmady, National institute of standards / Osama Terra, National institute of standards / Hatem Hussein, National institute of standards / Mohamed Medhat, Ain shams university, faculty of science
6. 14:30 - 14:45

   (UTC - 07:00)
   ATu4I.6

   Determining Transfer Function of Reconstructive Spectrometer Using Two Laser Sources

   Presenter: Naresh Sharma, Indian Institute of Technology Kanpur, India

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   We demonstrate a technique to experimentally determine the transfer function of a photonic crystal cavity based reconstructive spectrometer using only two lasers. The reconstructed spectrum matches well with the measurements of a commercial spectrometer.Authors: Naresh Sharma, Indian Institute of Technology Kanpur / Shilpi Gupta, Indian Institute of Technology Kanpur

Cavity-enhanced Detection and LIDAR Instrumentation

1. 13:00 - 13:15

   (UTC - 07:00)
   ATu4M.1

   Phase-Based Multi-Tone CW Lidar: a Technique for Ranging Beyond the Coherence Length of the CW Laser

   Presenter: Mustafa Bayer, UC IRVINE, United States

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   We experimentally demonstrate ranging and velocimetry at >500× beyond the coherence length of a CW laser in a technique called phase-based multi-tone continuous-wave lidar that eliminates the need for any form of phase or frequency sweeping.Authors: Mustafa Bayer, UC IRVINE / Xun Li, UC IRVINE / Ataberk Atalar, UC IRVINE / Ozdal Boyraz, UC IRVINE
2. 13:15 - 13:30

   (UTC - 07:00)
   ATu4M.2

   Laser-Based Sensor for Multi-Species Detection Using CEAS and DNN

   Presenter: Mhanna Mhanna, KAUST, Saudi Arabia

    Presentation Details   Paper  Add to Schedule

   A laser sensor is developed for simultaneous multi-species detection in high-temperature shock-tube experiments. It is based on a tunable DFB-ICL near 3.3 µm, off-axis CEAS and DNN for sensitive and selective measurements of target species.Authors: Mhanna Mhanna, KAUST / Mohamed Sy, KAUST / Ali Elkhazraji, KAUST / Aamir Farooq, KAUST
3. 13:30 - 13:45

   (UTC - 07:00)
   ATu4M.3

   Microresonator Based Coherent Random Waveform Parallel Laser Ranging

   Presenter: Anton Lukashchuk, EPFL, Switzerland

    Presentation Details   Paper  Add to Schedule

   We show that incoherent and chaotic states of light in a photonic chip based Kerr microresonator can be harnessed to implement unambiguous and interference-immune massively parallel coherent laser ranging by using the intrinsic random amplitude and phase modulation of the chaotic comb lines.Authors: Anton Lukashchuk, EPFL / Johann Riemensberger, EPFL / Aleksandr Tusnin, EPFL / Junqiu Liu, EPFL / Tobias Kippenberg, EPFL
4. 13:45 - 14:00

   (UTC - 07:00)
   ATu4M.4

   Nanophotonic Scanning Probes for Nanoscale Imaging of Thermal Conductivity and Interfacial Thermal Conductance

   Presenter: MingKang Wang, NIST, United States

    Presentation Details   Paper  Add to Schedule

   Nanophotonic resonator integration and miniaturization decrease the detection noise of nanomechanical scanning probe microscopy and increase its throughput. Using pulsed laser excitation, we demonstrate fast imaging (≈500,000× faster than a commercial probe) of thermal properties with 35nm spatial resolution.Authors: MingKang Wang, NIST / Diego Perez-Morelo, NIST / Georg Ramer, NIST / Goerges Pavlidis, NIST / Jeffrey Schwartz, NIST / Andrea Centrone, NIST / Vladimir Aksyuk, NIST
5. 14:00 - 14:15

   (UTC - 07:00)
   ATu4M.5

   (Withdrawn) Absolute Optical Chiral Analysis Using Cavity-Enhanced Polarimetry

   Presenter: Lykourgos Bougas, Johannes Gutenberg-Universität Mainz, Germany

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   We present the concept of absolute optical chiral analysis, as enabled by cavityenhanced chirality-sensitive polarimetry, for unambiguous enantiomeric characterization and rapid enantiomeric-excess determination of chiral compounds within complex mixtures without the need for calibration.Authors: Lykourgos Bougas, Johannes Gutenberg-Universität Mainz
6. 14:15 - 14:45

   (UTC - 07:00)
   ATu4M.6

   Comparison of the Sensitivity of Laser-Induced Incandescence, Cavity-Ring Down Extinction and Scanning Mobility Particle Sizing to Detect the Smallest Soot Nanoparticles in Flames or in the Combustion Exhausts

   Presenter: Pascale Desgroux, CNRS-Universite de Lille 1, France

    Presentation Details   Paper  Add to Schedule

   Invited

   Comparison of the sensitivity of laser-induced incandescence, cavity-ring down extinction and scanning mobility particle sizing to detect the smallest soot nanoparticles in flames or in the combustion exhaustsAuthors: Pascale Desgroux, CNRS-Universite de Lille 1 / Nathalie Lamoureux, CNRS-Universite de Lille 1 / Alessandro Faccinetto, CNRS-Universite de Lille 1
7. 14:45 - 15:00

   (UTC - 07:00)
   ATu4M.7

   Coherent Doppler Lidar for Improved Object Velecomitry Using Dual Measurement Fusion

   Presenter: Sean Wolfe, University of Tokyo, Japan

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   The fusing of Time-of-Flight measurements with Doppler shifts in Coherent Doppler Lidar (CDL) through a Kalman Filter. Simulations show that object range and velocity estimates are improved over traditional CDL by 3.9% and 16%, respectively.Authors: Sean Wolfe, University of Tokyo / Takuma Shirahata, University of Tokyo / Shinji Yamashita, University of Tokyo / Sze Set, University of Tokyo

Mid-IR and Frequency Comb Laser

1. 13:00 - 13:30

   (UTC - 07:00)
   ATu4O.1

   Chip-Scale Optical Frequency Comb Sources: Light Sources for Massively Parallel Communications, Fast Optical Ranging, and Ultra-Broadband Signal Processing

   Presenter: Christian Koos, Karlsruher Institut für Technologie, Germany

    Presentation Details   Paper  Add to Schedule

   Invited

   Chip-scale optical frequency combs have emerged as novel light sources for miniaturized optical systems, offering the potential to disrupt a wide range of applications. In this talk, we will give an overview on our recent progress in exploiting such devices for massively parallel wavelength-division multiplexing (WDM), ultra-fast distance metrology, and ultra-broadband signal processing.Authors: Christian Koos, Karlsruher Institut für Technologie
2. 13:30 - 13:45

   (UTC - 07:00)
   ATu4O.2

   High Speed mid-Infrared Stark Modulator for Optical Data Transmission up to 10 Gbit.s^-1

   Presenter: Thomas Bonazzi, Ecole Normale Supérieure, France

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   Using the Stark effect in coupled InGas/AlInAs quantum wells, we demonstrate a mid-infrared broadband optoelectronic external modulator enabling 10 Gbit/s free-space optical data-transmission in the second atmospheric window (9µm) at room temperature.Authors: Thomas Bonazzi, Ecole Normale Supérieure / Hamza Dely, Ecole Normale Supérieure / Olivier Spitz, Télécom Paris / Etienne Rodriguez, Ecole Normale Supérieure / Djamal Gacemi, Ecole Normale Supérieure / Yanko Todorov, Ecole Normale Supérieure / Konstantinos Pantzas, Université Paris Saclay / Gregoire Beaudoin, Université Paris Saclay / Isabelle Sagnes, Université Paris Saclay / Frédéric Grillot, Télécom Paris / Angela Vasanelli, Ecole Normale Supérieure / Carlo Sirtori, Ecole Normale Supérieure
3. 13:45 - 14:15

   (UTC - 07:00)
   ATu4O.3

   Third Order Parametric Oscillations in a Quantum Cascade Laser Frequency Comb

   Presenter: Carlo Sirtori, Ecole normale superieure, France

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   Invited

   A frequency comb of a quantum cascade laser can appear with two distinct spectral lobes. These two spectral features are alternating in time and show strong anticorrelations similarly to parametric phenomena.Authors: Baptiste Chomet, Ecole normale superieure / Thomas Bonazzi, Ecole normale superieure / Etienne Rodriguez, Ecole normale superieure / filippos kapsalidis, ETH / Djamal Gacemi, Ecole normale superieure / Angela Vasanelli, Ecole normale superieure / Yanko Todorov, Ecole normale superieure / Jérome Faist, ETH / Carlo Sirtori, Ecole normale superieure
4. 14:15 - 14:30

   (UTC - 07:00)
   ATu4O.4

   Interband Cascade External Laser System for the Rapid Detection of Trace Gases in the MIR Region

   Presenter: Morten Hoppe, Sacher Lasertechnik GmbH, Germany

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   An IC-ECL with different waveguide concepts and a MEMS device as tuning element for high acquisition rates is presented. Characterization results and use for detection of trace gases in the MIR region will be shown.Authors: Morten Hoppe, Sacher Lasertechnik GmbH / Christian Aßmann, Sacher Lasertechnik GmbH / Sebastian Schmidtmann, Sensor Photonics GmbH / Martin Honsberg, Sensor Photonics GmbH / Herve Tatenguem, Sacher Lasertechnik GmbH / Thomas Schanze, Technische Hochschule Mittelhessen / Joachim R. Sacher, Sacher Lasertechnik GmbH / Shanshan Gu-Stoppel, Fraunhofer-Institut für Siliziumtechnologie
5. 14:30 - 14:45

   (UTC - 07:00)
   ATu4O.5

   Interband Cascade Lasers With Optimized Waveguide Design for High Power Operation

   Presenter: Josephine Nauschütz, nanoplus Nanosystems and Technologies GmbH, Germany

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   Fabry-Pérot interband cascade laser with varied thickness of the separate confinement layers and reduced cladding layer thickness are presented. An epi-side-down mounted device showed a cw-output power of 505mW emitting at λ≈3.3 µm at 10°C.Authors: Josephine Nauschütz, nanoplus Nanosystems and Technologies GmbH / Julian Scheuermann, nanoplus Nanosystems and Technologies GmbH / Robert Weih, nanoplus Nanosystems and Technologies GmbH / Johannes Koeth, nanoplus Nanosystems and Technologies GmbH / Sven Höfling, Universität Würzburg
6. 14:45 - 15:00

   (UTC - 07:00)
   ATu4O.6

   Absolute Frequency Referencing in the Long-Wave Infrared Using a Quantum Cascade Laser Frequency Comb

   Presenter: Michele Gianella, Laboratory for Air Pollution / Environmental Technology, Empa, Switzerland

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   We demonstrate that mid-infrared quantum cascade laser frequency combs are highly suitable as high-accuracy frequency references. We fully stabilize the comb and exploit it for comb-calibrated spectroscopy, achieving 100-kHz frequency accuracy at 7.7 μm.Authors: Kenichi Komagata, Laboratoire Temps-Fréquence / Michele Gianella, Laboratory for Air Pollution / Environmental Technology, Empa / Pierre Jouy, IRsweep AG / filippos kapsalidis, Institute for Quantum Electronics / Mehran Shahmohammadi, Institute for Quantum Electronics / Mattias Beck, Institute for Quantum Electronics / Renaud Matthey, Laboratoire Temps-Fréquence / Valentin Wittwer, Laboratoire Temps-Fréquence / Andreas Hugi, IRsweep AG / Jérome Faist, Institute for Quantum Electronics / Lukas Emmenegger, Laboratory for Air Pollution / Environmental Technology, Empa / Thomas Südmeyer, Laboratoire Temps-Fréquence / Stéphane Schilt, Laboratoire Temps-Fréquence

QKD

1. 13:00 - 13:30

   (UTC - 07:00)
   FTu4A.1

   An Entanglement-Based QKD System for Scalable Robust Multi-User Networks

   Presenter: Thomas Walther, Technische Universität Darmstadt, Germany

    Presentation Details   Paper  Add to Schedule

   Highlighted Talk

   We present entanglement-based quantum key distribution in a star-shaped network with time-bin coding. We demonstrate key exchange under typical operation conditions for metropolitan-scale networks. Without much efforts, it is scalable to more than 100 users.Authors: Erik Fitzke, Technische Universität Darmstadt / Till Dolejski, Technische Universität Darmstadt / Maximilian Tippmann, Technische Universität Darmstadt / Lucas Bialowons, Technische Universität Darmstadt / Oleg Nikiforov, Technische Universität Darmstadt / Felix Wissel, Deutsche Telekom Technik GmbH / Matthias Gunkel, Deutsche Telekom Technik GmbH / Thomas Walther, Technische Universität Darmstadt
2. 13:30 - 13:45

   (UTC - 07:00)
   FTu4A.2

   Demonstration of Reference Frame Independent Time Bin Quantum Key Distribution

   Presenter: Ramy Tannous, University of Waterloo, Canada

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   We present the experimental results of the first reference frame independent time bin quantum key distribution. Despite a lack of active phase stabilization of the interferometers, 0.078 asymptotic secret key bits per second were generated.Authors: Ramy Tannous, University of Waterloo / Wlson Wu, University of Waterloo / Stephane Vinet, University of Waterloo / Chithrabhanu Perumangatt, National University of Singapore / Dogan Sinar, University of Waterloo / Alexander Ling, National University of Singapore / Thomas Jennewein, University of Waterloo
3. 13:45 - 14:00

   (UTC - 07:00)
   FTu4A.3

   Field Demonstration of Systems Towards CubeSat Quantum Key Distribution

   Presenter: Elliott Hastings, University of Bristol, United Kingdom

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   Satellite QKD enables quantum-secure communications at global scale. However, practical systems require high-rate, low size, weight and power photon sources and ground stations. We present systems enabling CubeSat QKD missions and demonstrate their interoperation.Authors: Elliott Hastings, University of Bristol / Peide Zhang, University of Bristol / Jaya Sagar, University of Bristol / Milan Stefko, University of Bristol / Daniel Oi, University of Strathclyde / John Rarity, University of Bristol / Siddarth Joshi, University of Bristol
4. 14:00 - 14:15

   (UTC - 07:00)
   FTu4A.4

   Physical Layer Security Monitoring of Optical Communication Using a Quantum Pilot Tone

   Presenter: Yupeng Gong, University of Cambridge, United Kingdom

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   We demonstrate a low-complexity, quantum-level-sensitivity security monitoring system using a quantum pilot tone which is detected by an independent local oscillator, with compact data conversion acquisition units over a 10dB loss channelAuthors: Yupeng Gong, University of Cambridge / Adrian Wonfor, University of Cambridge / Jeffrey .H Hunt, Boeing Company / Richard Penty, University of Cambridge
5. 14:15 - 14:30

   (UTC - 07:00)
   FTu4A.5

   Quantifying Randomness in a Gain-Switched Laser Diode

   Presenter: Victor Lovic, Toshiba Europe Ltd., United Kingdom

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   Using numerical modeling and experimental measurements, we quantify the amount of phase noise randomness produced by a gain-switched laser diode. This has applications in QKD and QRNG where phase randomization is essential to security.Authors: Victor Lovic, Toshiba Europe Ltd. / Davide Marangon, Toshiba Europe Ltd. / Marco Lucamarini, Toshiba Europe Ltd. / Zhiliang Yuan, Toshiba Europe Ltd. / Andrew Shields, Toshiba Europe Ltd.
6. 14:30 - 14:45

   (UTC - 07:00)
   FTu4A.6

   Quadrature Imbalance Compensation in CV-QKD

   Presenter: Adnan hajomer, Technical University of Denmark, Denmark

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   We experimentally investigate quadrature imbalance compensation using Gram-Schmidt orthogonalization procedure (GSOP) for Gaussian-modulated CV-QKD. The results show that GSOP effectively corrects for quadrature imbalance allowing the same secret key fraction performance as a CV-QKD system with zero quadrature imbalanceAuthors: Adnan hajomer, Technical University of Denmark / Nitin Jainn, Technical University of Denmark / Hou-man Chin, Technical University of Denmark / Ulrik L. Andersen, Technical University of Denmark / Tobias Gehring, Technical University of Denmark
7. 14:45 - 15:00

   (UTC - 07:00)
   FTu4A.7

   Measurement-Device-Independent Quantum Key Distribution of Frequency-Nondegenerate Photons

   Presenter: Rong Xue, Frontier Science Center for Quantum Information, Beijing National Research Center for Information Science and Technology (BNRist), Department of Electronic Engineering, Tsinghua University, China

    Presentation Details   Paper  Add to Schedule

   Measurement-device-independent quantum key distribution (MDI-QKD) of frequency-nondegenerate photons was proposed and demonstrated based on a frequency-domain beam splitter, which simplified the implementation of MDI-QKD and provided network functions on the relay node.Authors: Rong Xue, Frontier Science Center for Quantum Information, Beijing National Research Center for Information Science and Technology (BNRist), Department of Electronic Engineering, Tsinghua University / Xu Liu, Frontier Science Center for Quantum Information, Beijing National Research Center for Information Science and Technology (BNRist), Department of Electronic Engineering, Tsinghua University / Yidong Huang, Frontier Science Center for Quantum Information, Beijing National Research Center for Information Science and Technology (BNRist), Department of Electronic Engineering, Tsinghua University / Wei Zhang, Frontier Science Center for Quantum Information, Beijing National Research Center for Information Science and Technology (BNRist), Department of Electronic Engineering, Tsinghua University

Topological Processes I

1. 13:00 - 13:15

   (UTC - 07:00)
   FTu4J.1

   Measuring Topological Invariants Within Dissipatively-Coupled Lattices

   Presenter: Midya Parto, California Institute of Technology, United States

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   We demonstrate Bloch oscillations in a dissipatively-coupled network of time-multiplexed resonators, and experimentally measure the topological invariants in open systems. This reveals the complex interplay between topology and dissipation with potential applications in quantum/classical photonics.Authors: Midya Parto, California Institute of Technology / Christian Leefmans, California Institute of Technology / James Williams, California Institute of Technology / Franco Nori, RIKEN / Alireza Marandi, California Institute of Technology
2. 13:15 - 13:45

   (UTC - 07:00)
   FTu4J.2

   Photonic Topological States:
   the Role Played by Symmetry and Nonlinearity

   Presenter: Zhigang Chen, Nankai University, China

    Presentation Details   Paper  Add to Schedule

   Invited

   We discuss our recent demonstrations of nonlinear control of topological states in cw-laser-written photonic lattices of different symmetries, including manipulation of edge and corner states in higher-order topological insulators and dynamically emerging nonlinear topological phenomena.Authors: Zhigang Chen, Nankai University
3. 13:45 - 14:00

   (UTC - 07:00)
   FTu4J.3

   Photonic Higher-Order Topological Orbital States and Nonlinearity-Mediated Dynamical Rotation

   Presenter: Yahui Zhang, Nankai University, China

    Presentation Details   Paper  Add to Schedule

   We experimentally demonstrate photonic higher-order topological orbital corner states in laser-written breathing Kagome lattices, unveiling their charaterisitic dipole-like mode distribution and dynamical rotation in presence of optical nonlinearity.Authors: Yahui Zhang, Nankai University / Domenico Bongiovanni, Nankai University / Shiqi Xia, Nankai University / Zhichan Hu, Nankai University / Daohong song, Nankai University / Roberto Morandotti, INRS-EMT / Hrvoje Buljan, University of Zagreb / Zhigang Chen, Nankai University
4. 14:00 - 14:15

   (UTC - 07:00)
   FTu4J.4

   Realization of Nontrivial Higher-Order Topological Corner States in Photonic Graphene

   Presenter: Xie Qing, Nankai University, China

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   We demonstrate nontrivial higher-order topology in photonic honeycomb lattices with different corner/edge geometries established by cw-laser-writing technique, unveiling two distinct corner states that are expected to represent features of higher-order topological Dirac semimetal.Authors: Xie Qing, Nankai University / Wenchao Yan, Nankai University / Shiqi Xia, Nankai University / Yongsheng Liang, Nankai University / Liqin Tang, Nankai University / Daohong song, Nankai University / Jingjun Xu, Nankai University / Zhigang Chen, Nankai University
5. 14:15 - 14:30

   (UTC - 07:00)
   FTu4J.5

   Sub-Symmetry Protected Topological States in Photonic Lattices

   Presenter: Hrvoje Buljan, University of Zagreb, Croatia

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   We theoretically and experimentally demonstrate the concept of sub-symmetry in symmetry-protected topological systems, wherein the original symmetry is partially broken so bulk topological invariant no longer exists, but some edge states are still topologically protected.Authors: Ziteng Wang, Nankai University / Xiangdong Wang, Nankai University / Zhichan Hu, Nankai University / Domenico Bongiovanni, Nankai University / Ruoqi Cheng, Nankai University / Yihan Wang, Nankai University / Liqin Tang, Nankai University / Daohong song, Nankai University / Dario Jukić, University of Zagreb / Roberto Morandotti, INRS-EMT / Zhigang Chen, Nankai University / Hrvoje Buljan, University of Zagreb
6. 14:30 - 14:45

   (UTC - 07:00)
   FTu4J.6

   Mapping of Momentum-Space Topological Singularities in Photonic Lattices With Hybrid Pseudospin-1 Dirac-Like Cones

   Presenter: Shiqi Xia, Teda College of Nankai University, China

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   We experimentally demonstrate higher-order topological charge conversion, exhibiting a vortex pair of identical helicities that can be reversed altogether by selectively mapping different momentum-space topological singularities in photonic T-graphene lattices with integer pseudospin-1 Dirac-like cones.Authors: Sihong Lei, Teda College of Nankai University / Shiqi Xia, Teda College of Nankai University / Junqian Wang, Teda College of Nankai University / Daohong song, Teda College of Nankai University / Zhigang Chen, Teda College of Nankai University
7. 14:45 - 15:00

   (UTC - 07:00)
   FTu4J.7

   Tunable Terahertz-Wave Confinement in a Nonlinear Topological Photonic Chip

   Presenter: Shiqi Xia, Teda College of Nankai University, China

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   We demonstrate nonlinear generation and topologically tuned confinement of THz waves in a wedge-shaped Su-Schrieffer-Heeger lattice laser-written in a lithium-niobate chip, examining THz defect modes from band structure and analyzing their robustness to chiral perturbation.Authors: Jiayi Wang, Teda College of Nankai University / Shiqi Xia, Teda College of Nankai University / Ride Wang, National Innovation Institute of Defense Technology / Ruobin Ma, Teda College of Nankai University / Yao Lu, Teda College of Nankai University / Xinzheng Zhang, Teda College of Nankai University / Daohong song, Teda College of Nankai University / Qiang Wu, Teda College of Nankai University / Roberto Morandotti, INRS-EMT / Jingjun Xu, Teda College of Nankai University / Zhigang Chen, Teda College of Nankai University

Nanoscale Light-Matter Interactions

1. 13:00 - 13:15

   (UTC - 07:00)
   STu4H.1

   Microscale Additive Assembly With Optical Tweezers

   Presenter: Natalie Shultz, University of Arizona, United States

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   The ability to fabricate three-dimensional structures with microscale resolution is critical to many emerging applications. We use an optical tweezers platform with biochemical linking mechanism to assemble 3D structures consisting of hundreds of individual building blocks.Authors: Jeffrey Melzer, University of Arizona / Natalie Shultz, University of Arizona / Euan McLeod, University of Arizona
2. 13:15 - 13:30

   (UTC - 07:00)
   STu4H.2

   Direct Optical Vortex Laser Printing of a Microdot With Close-Packed and Sintered Gold Nanoparticle

   Presenter: Haruki Kawaguchi, Chiba University, Japan

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   We demonstrate the direct printing of an ultrafine microdot formed of gold nanoparticles by employing optical vortex laser induced forward transfer. Spin and orbital angular momentum induces the close-packing and sintering of gold nanoparticles.Authors: Haruki Kawaguchi, Chiba University / Rong Wei, Chiba University / Keisaku Yamane, Hokkaido University / Ken-ichi Yuyama, Osaka City University / Satoyuki Kawano, Osaka university / Ryuji Morita, Hokkaido University / Kohei Toyoda, Chiba University / Katsuhiko Miyamoto, Chiba University / Takashige Omatsu, Chiba University
3. 13:30 - 13:45

   (UTC - 07:00)
   STu4H.4

   (Withdrawn) Coherent and Incoherent Spin Interactions in Perovskite Nanocrystals

   Presenter: Ajay Poonia, IISER Bhopal, India

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   We explore the spin-dynamics of charge carriers in CsPbBrI2 nanocrystals using two sequential circular polarized femtosecond pulses. We study the coherent and incoherent many-body spin-phenomena, namely spin selective optical Stark effect and biexciton, spin relaxationAuthors: Ajay Poonia, IISER Bhopal / Dipendranath Mandal, IISER Bhopal / Barnali Mondal, IISER Pune / Angshuman Nag, IISER Pune / Adarsh V, IISER Bhopal
4. 13:45 - 14:00

   (UTC - 07:00)
   STu4H.5

   Sculpting Multipoles for the Optical Pulling Force in an Unstructured Light Beam

   Presenter: Yuzhi Shi, Shanghai Jiao Tong University, China

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   We study optical forces acting on a triangular dielectric prism illuminated by a circularly polarized light and suggest a novel approach for engineering optical pulling forces by employing multipolar modes of Mie-resonant subwavelength particles.Authors: Yuzhi Shi, Shanghai Jiao Tong University / Jingquan Liu, Shanghai Jiao Tong University / Ai Qun Liu, Nanyang Technological University / Din Ping Tsai, City University of Hong Kong / Chengwei Qiu, National University of Singapore / Yuri Kivshar, Australian National University
5. 14:00 - 14:30

   (UTC - 07:00)
   STu4H.6

   Light-Controlled Assembly of Reconfigurable Architected Nanomaterials

   Presenter: Yuebing Zheng, University of Texas at Austin, United States

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   Invited

   I present our progress in developing new optical manipulation techniques to assemble discrete colloidal nanoparticles into reconfigurable architected nanomaterials for nanophotonics.Authors: Yuebing Zheng, University of Texas at Austin
6. 14:30 - 14:45

   (UTC - 07:00)
   STu4H.7

   Strong Anapole-Plasmon Coupling in Dielectric and Plasmon Nanocavities

   Presenter: SALAH ABDO, Universiti Putra Malaysia, Malaysia

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   We theoretically demonstrated a strong anapole-plasmon coupling in silicon nanodisk and two gold nanorods. The results showed a large Rabi splitting of 134 meV and large field enhancements at room temperature.Authors: SALAH ABDO, Universiti Putra Malaysia / Shee Yu Gang, Universiti Tunku Abdul Rahman / Ahmad Abas, King Saud University / Mohammed Alresheedi, King Saud University / Mohd Mahdi, Universiti Putra Malaysia
7. 14:45 - 15:00

   (UTC - 07:00)
   STu4H.3

   Reconfigurable Meta-Pixels Using low-Loss Optical Phase-Change Materials

   Presenter: Sajjad AbdollahRamezani, Georgia Institute of Technology, United States

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   We experimentally demonstrate high-resolution, high-saturation, wide-gamut, dynamic, and electrically switchable color meta-pixels by leveraging a newly emerged class of low-loss optical phase-change materials enabling multiplexed image encryption in the state of polarization and material phase.Authors: Sajjad AbdollahRamezani, Georgia Institute of Technology / Ali Adibi, Georgia Institute of Technology

High Power and High Energy Lasers

1. 13:00 - 13:15

   (UTC - 07:00)
   STu4N.2

   100W Dual-Output Thin Disk Laser for Picosecond OPCPA Pumping

   Presenter: Emily Erdman, ELI-Beamlines, Czechia

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   Thin disk regenerative amplifiers have suitable characteristics to pump picosecond OPCPA. By optimizing the trigger pulse to the MZM, a dual-output laser operating at 100W, 1 kHz repetition rate, compressed to the transform limit is reported.Authors: Emily Erdman, ELI-Beamlines / Jakub Novak, ELI-Beamlines / Roman Antipenkov, ELI-Beamlines / Martin Horacek, ELI-Beamlines / Lukas Indra, ELI-Beamlines / Boguslaw Tykalewicz, ELI-Beamlines / Murat Torun, ELI-Beamlines / Petr Mazurek, ELI-Beamlines / Jack Naylon, ELI-Beamlines / Pavel Bakule, ELI-Beamlines / Bedrich Rus, ELI-Beamlines
2. 13:15 - 13:30

   (UTC - 07:00)
   STu4N.3

   Spectral and Temporal Shaping of Spectrally Incoherent UV Pulses by Sum-Frequency Generation

   Presenter: Christophe Dorrer, Laboratory for Laser Energetics, United States

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   We study via modeling and experiments the broadband sum-frequency generation of spectrally incoherent pulses from 1053 to 351 nm and demonstrate the generation of temporally and spectrally shaped ultraviolet pulses.Authors: Christophe Dorrer, Laboratory for Laser Energetics / Michael Spilatro, Laboratory for Laser Energetics
3. 13:30 - 13:45

   (UTC - 07:00)
   STu4N.4

   Nd:Phosphate Split-Slab Liquid Cooled kJ Amplifier for High Power Laser at 1 Shot/Minute

   Presenter: Pierre-Marie DALBIES, CEA-CESTA, France

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   A liquid cooled Nd:Phosphate split-disk amplifier, operating at 1053nm and one shot/min, was designed and built. Good wavefront quality is obtained, in agreement with multi-physics modeling and with performance needs on high power laser systems.Authors: Pierre-Marie DALBIES, CEA-CESTA / Nathalie BLANCHOT, CEA-CESTA / Edouard BORDENAVE, CEA-CESTA / Sandy CAVARO, CEA-CESTA / Florent LE PALUD, CEA-CESTA / Jean-François LUPI, CEA-CESTA / Julien MOREAU, CEA-CESTA / Jérôme NEAUPORT, CEA-CESTA
4. 13:45 - 14:00

   (UTC - 07:00)
   STu4N.5

   100mJ, 100W Cryogenically Cooled Yb:YLF Laser

   Presenter: Mikhail Pergament, Center for Free Electron Laser Science, Germany

    Presentation Details   Paper  Add to Schedule

   We present a cryogenically-cooled Yb: YLF laser system consisting of the all-fiber front end, regenerative and 8-pass booster amplifiers cooled to 78K, producing almost diffraction-limited sub-1-ps pulses with 100 mJ energy at a 1 kHz repetition rate.Authors: Mikhail Pergament, Center for Free Electron Laser Science / Martin Kellert, Center for Free Electron Laser Science / Umit Demirbas, Center for Free Electron Laser Science / Jelto Thesinga, Center for Free Electron Laser Science / Simon Reuter, Center for Free Electron Laser Science / Yi Hua, Center for Free Electron Laser Science / Muharrem Kilinc, Center for Free Electron Laser Science / Franz Kärtner, Center for Free Electron Laser Science
5. 14:00 - 14:30

   (UTC - 07:00)
   STu4N.6

   Thin Disk Laser Development for Space Debris Monitoring and Mitigation

   Presenter: Jochen Speiser, DLR, Germany

    Presentation Details   Paper  Add to Schedule

   Invited

   Thin Disk lasers are highly suitable to provide the required laser parameters for space debris laser tracking. A transportable kW-class pulsed laser system was developed. New Thin Disk concepts promise a more compact future system.Authors: Jochen Speiser, DLR / Benjamin Ewers, DLR / Raoul-Amadeus Lorbeer, DLR / Jürgen Kästel, DLR / Daniel Oberbeckmann, DLR / Daniel Sauder, DLR / Birgit Weichelt, DLR
6. 14:30 - 14:45

   (UTC - 07:00)
   STu4N.7

   Advantages of YLF Host Over YAG in Power Scaling of Ytterbium Based Lasers at Cryogenic Temperatures

   Presenter: Umit Demirbas, Center for Free-Electron Laser Science, Germany

    Presentation Details   Paper  Add to Schedule

   Our spectroscopic, lasing and thermal-lens measurements performed with Yb:YLF and Yb:YAG under almost identical conditions show that YLF host has several advantages over YAG for the development of high-power ultrafast laser/amplifier systems at cryogenic temperatures.Authors: Umit Demirbas, Center for Free-Electron Laser Science / Martin Kellert, Center for Free-Electron Laser Science / Jelto Thesinga, Center for Free-Electron Laser Science / Simon Reuter, Center for Free-Electron Laser Science / Franz Kaertner, Center for Free-Electron Laser Science / Mikhail Pergament, Center for Free-Electron Laser Science
7. 14:45 - 15:00

   (UTC - 07:00)
   STu4N.1

   High Energy Diode-Pumped Tm:YLF Amplifier

   Presenter: Issa Tamer, Lawrence Livermore National Laboratory, United States

    Presentation Details   Paper  Add to Schedule

   We report on the first multi-joule-level Tm:YLF amplifier. In this experimental setup, a Tm:YLF oscillator seeds a 4-pass diode-pumped Tm:YLF amplifier, producing output energies of 3.88J in 20ns and up to 38.1J in long-pulse operation.Authors: Issa Tamer, Lawrence Livermore National Laboratory / Brendan Reagan, Lawrence Livermore National Laboratory / Thomas Galvin, Lawrence Livermore National Laboratory / Justin Galbraith, Lawrence Livermore National Laboratory / Emily Sistrunk, Lawrence Livermore National Laboratory / Andrew Church, Lawrence Livermore National Laboratory / Glenn Huete, Lawrence Livermore National Laboratory / Hansel Neurath, Lawrence Livermore National Laboratory / Drew Willard, Lawrence Livermore National Laboratory / Thomas Spinka, Lawrence Livermore National Laboratory

Topological and Nanolasers

1. 13:00 - 13:15

   (UTC - 07:00)
   STu4E.1

   Properties of Heterogeneously Integrated Photonic Crystal Nanolasers With Ultra-low Threshold Current

   Presenter: Evangelos Dimopoulos, Technical University of Denmark, Denmark

    Presentation Details   Paper  Add to Schedule

   We demonstrate an electrically-driven heterogeneously integrated InP-on-Si photonic crystal nanolaser that exhibits an ultra-low threshold current of 10.2 μA and we investigate the injection efficiency and leakage current that currently limit the performance.Authors: Evangelos Dimopoulos, Technical University of Denmark / Aurimas Sakanas, Technical University of Denmark / Andrey Marchevsky, Technical University of Denmark / Meng Xiong, Technical University of Denmark / Yi Yu, Technical University of Denmark / Elizaveta Semenova, Technical University of Denmark / Jesper Mørk, Technical University of Denmark / Kresten Yvind, Technical University of Denmark
2. 13:15 - 13:30

   (UTC - 07:00)
   STu4E.2

   Experimental Demonstrationo of Mode Selection in Metallo-Dielectric Nanolasers Coupled via a Bridge

   Presenter: Sizhu Jiang, University of California, San Deigo, United States

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   Bridge-coupled metallo-dielectric nanolasers can that can operate in the in-phase or out-of-phase modes are experimentally demonstrated. The lasing action is confirmed by conventionoal lasing characterizations, whereas the operating modes are identified by near-field and far-field imaging.Authors: Sizhu Jiang, University of California, San Deigo / Dmitrii Belogolovskii, University of California, San Deigo / Suruj Deka, University of California, San Deigo / Si Hui Pan, University of California, San Deigo / yeshaiahu Fainman, University of California, San Deigo
3. 13:30 - 13:45

   (UTC - 07:00)
   STu4E.3

   Topological Photonics in Low Loss Tantalum Pentoxide

   Presenter: Bradley Thompson, KBR, United States

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   Topologically designed arrays of ring resonators are fabricated in tantalum pentoxide, a low-loss waveguide material. Testing reveals edge modes and successful topological behavior, and establishes tantalum pentoxide as a suitable material for topological photonics.Authors: Bradley Thompson, KBR / Ricky Gibson, Air Force Research Lab / David Carlson, Octave Photonics LLC / Stefan Badescu, Air Force Research Lab
4. 13:45 - 14:15

   (UTC - 07:00)
   STu4E.4

   Miniature and Topological on-Chip Lasers

   Presenter: Qing Gu, The University of Texas at Dallas, United States

    Presentation Details  Add to Schedule

   Invited

   Recent progress on miniature and robust topological on-chip lasers with tailored functionalities are discussed. Approaches to realize such lasers include the utilization of bound states in the continuum and parametric synthetic dimensioning.Authors: Qing Gu, The University of Texas at Dallas / Wei Bao, University of Nebraska, Lincoln / Chuanwei Zhang, The University of Texas at Dallas / Jiyoung Moon, The University of Texas at Dallas / Kai Peng, University of Nebraska, Lincoln / Dayang Lin, The University of Texas at Dallas / Zhitong Li, The University of Texas at Dallas / Xiwang Luo, The University of Texas at Dallas
5. 14:15 - 14:30

   (UTC - 07:00)
   STu4E.5

   Low-Threshold Plasmonic Nanolasers at Optical Communication Wavelengths

   Presenter: Jialu Xu, Tsinghua University, China

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   We demonstrate a room-temperature plasmonic nanolaser at optical communication wavelengths showing robust performance to fabrication imperfections. The threshold of 49.96 kW/cm2 is lower than the reported near-infrared plasmonic nanolasers of any configuration.Authors: Jialu Xu, Tsinghua University / Taiping Zhang, Tsinghua University / Yongzhuo Li, Tsinghua University / Zhen Wang, Tsinghua University / Jianxing Zhang, Tsinghua University / Qiang Kan, Institute of Semiconductors / Ruikang Zhang, Institute of Semiconductors / Cunzheng Ning, Tsinghua University
6. 14:30 - 14:45

   (UTC - 07:00)
   STu4E.6

   Fano Laser Based on a Photonic Crystal Nanobeam Cavity

   Presenter: gaoneng dong, Technical University of Denmark, Denmark

    Presentation Details   Paper  Add to Schedule

   We experimentally demonstrate a Fano laser based on an InP-on-silicon photonic crystal nanobeam cavity, which can overcome limitations faced by two-dimensional photonic crystal structures.Authors: gaoneng dong, Technical University of Denmark / Meng Xiong, Technical University of Denmark / Evangelos Dimopoulos, Technical University of Denmark / Aurimas Sakanas, Technical University of Denmark / Elizaveta Semenova, Technical University of Denmark / Kresten Yvind, Technical University of Denmark / Yi Yu, Technical University of Denmark / Jesper Mørk, Technical University of Denmark
7. 14:45 - 15:00

   (UTC - 07:00)
   STu4E.7

   Narrow-Linewidth Fano Laser

   Presenter: Yi Yu, Danmarks Tekniske Universitet, Denmark

    Presentation Details   Paper  Add to Schedule

   By exploiting Fano resonances, a microscopic laser with a linewidth >20 times smaller than previous microscopic lasers is experimentally demonstrated. We also show that the linewidth can be further improved by engineering the Fano lineshape.Authors: Yi Yu, Danmarks Tekniske Universitet / Aurimas Sakanas, Danmarks Tekniske Universitet / Elizaveta Semenova, Danmarks Tekniske Universitet / Kresten Yvind, Danmarks Tekniske Universitet / Jesper Mørk, Danmarks Tekniske Universitet

THz Imaging and Spectroscopy

1. 13:00 - 13:15

   (UTC - 07:00)
   STu4L.1

   Towards Continuous Wave, Single Mode, Surface-Emitting Laser at 24µm

   Presenter: Tudor Olariu, ETH Zurich, Switzerland

    Presentation Details   Paper  Add to Schedule

   A surface emitting, single mode laser at 24µm is presented, based on InGaAs/AlInAs system. Processed into a metal-metal device and employing planarization technology, heat dissipation can be improved on the way to continuous wave operation.Authors: Tudor Olariu, ETH Zurich / Mattias Beck, ETH Zurich / Giacomo Scalari, ETH Zurich / Jérome Faist, ETH Zurich
2. 13:15 - 13:30

   (UTC - 07:00)
   STu4L.2

   Demonstration of a Lossless Electron Beam Monochromator in an Ultrafast TEM Using Near-Field THz Radiation

   Presenter: Michael Yannai, Technion - Israel Institute of Technology, Israel

    Presentation Details   Paper  Add to Schedule

   We realize a lossless electron beam monochromator in an ultrafast transmission electron microscope. The monochromator uses a single-cycle in-situ THz emitter, reducing the electron energy spread by a factor of 2.8 without losing electrons.Authors: Michael Yannai, Technion - Israel Institute of Technology / Yuval Adiv, Technion - Israel Institute of Technology / Raphael Dahan, Technion - Israel Institute of Technology / Alexey Gorlach, Technion - Israel Institute of Technology / Nicholas Rivera, Massachusetts Institute of Technology / Kangpeng Wang, Technion - Israel Institute of Technology / Ido Kaminer, Technion - Israel Institute of Technology
3. 13:30 - 13:45

   (UTC - 07:00)
   STu4L.3

   Time-Stamping of Ultrafast Electron Probes Using Terahertz Radiation

   Presenter: Mohamed Othman, SLAC National Accelerator Laboratory, United States

    Presentation Details   Paper  Add to Schedule

   We show a method for detection and correction of the time-of-arrival of electron bunches generated from an rf photoeinjector through Terahertz time-stamping, subsequently improving the temporal resolution of pump-probe UED measurements.Authors: Mohamed Othman, SLAC National Accelerator Laboratory / Annika Gabriel, SLAC National Accelerator Laboratory / Patrick kramer, SLAC National Accelerator Laboratory / Xiaozhe Shen, SLAC National Accelerator Laboratory / Matthias Hoffmann, SLAC National Accelerator Laboratory / Joel England, SLAC National Accelerator Laboratory / Emilio Nanni, SLAC National Accelerator Laboratory
4. 13:45 - 14:00

   (UTC - 07:00)
   STu4L.4

   Ultrafast Multidimensional Spectroscopy With Phase Sensitivity at Multi-THz Frequencies

   Presenter: Thomas Deckert, University of Luxembourg, Luxembourg

    Presentation Details   Paper  Add to Schedule

   Noncollinear two-dimensional terahertz spectroscopy enables phase-sensitive investigation of coherent low-energy dynamics in semiconductors and strongly correlated materials in a perturbative excitation regime. A strong nonlinear response in indium antimonide reveals the ultrafast dynamic bandgap renormalization.Authors: Thomas Deckert, University of Luxembourg / Jonas Allerbeck, Empa, Swiss Federal Laboratories for Materials Science and Technology / Takayuki Kurihara, The University of Tokyo / Daniele Brida, University of Luxembourg
5. 14:00 - 14:15

   (UTC - 07:00)
   STu4L.5

   Physical Modeling of the Permittivity of in Vivo Burn Injuries Using Debye Dielectric Parameters Measured by the THz PHASR Scanner

   Presenter: Mahmoud Khani, Stony Brook University, United States

    Presentation Details   Paper  Add to Schedule

   We report on measuring the permittivity of in vivo burn injuries in a swine model using our new PHASR scanner and show that the extracted Debye parameters can differentiate between grades of burn injuries accurately (p<0.05).Authors: Mahmoud Khani, Stony Brook University / Zachery Harris, Stony Brook University / Omar Osman, Stony Brook University / Juin Zhou, Stony Brook University / Andrew Chen, Stony Brook University / M. Hassan Arbab, Stony Brook University
6. 14:15 - 14:30

   (UTC - 07:00)
   STu4L.6

   THz Quantum Cascade Laser Frequency Combs Based on Planarized Waveguides

   Presenter: Urban Senica, ETH Zurich, Switzerland

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   We present a planarized waveguide geometry for THz quantum cascade lases. Improvements in waveguide losses, RF and thermal properties are observed. With tapered devices, the four wave mixing process is enhanced, evidenced by strong beatnotes up to nearly -30 dBm and comb operation up to 115 K.Authors: Urban Senica, ETH Zurich / Tudor Olariu, ETH Zurich / Andres Forrer, ETH Zurich / Paolo Micheletti, ETH Zurich / Mattias Beck, ETH Zurich / Jerome Faist, ETH Zurich / Giacomo Scalari, ETH Zurich
7. 14:30 - 15:00

   (UTC - 07:00)
   STu4L.7

   Using Single-Pixel Cameras for Low-Cost and Rapid THz Time-Domain Imaging

   Presenter: Rayko Stantchev, Chinese University of Hong Kong, Hong Kong

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   Invited

   Fast and robust imaging systems are needed for commercialization of THz time-domain technology. This contribution optimizes the equipment and algorithms used for time-domain single-pixel THz imaging, showing it can be fast, cheap and movement-free.Authors: Rayko Stantchev, Chinese University of Hong Kong

Lithium Niobate Photonics

1. 13:00 - 13:15

   (UTC - 07:00)
   STu4G.1

   on-Chip Integration of High-Power Lasers and Thin-Film Lithium Niobate Modulators

   Presenter: Amirhassan Shams-Ansari, Harvard University, United States

    Presentation Details   Paper  Add to Schedule

   We demonstrate an electrically-pumped integrated high-power laser on thin-film lithium niobate with 60 and 25 mW of optical power in the passive and active devices, respectively.Authors: Amirhassan Shams-Ansari, Harvard University / Dylan Renaud, Harvard University / Rebecca Cheng, Harvard University / Linbo Shao, Harvard University / Lingyan He, Hyperlight Corporation / Di Zhu, Harvard University / Mengjie Yu, Harvard University / Hannah Grant, Freedom Photonics / Leif Johansson, Freedom Photonics / Mian Zhang, Hyperlight Corporation / Marko Loncar, Harvard University
2. 13:15 - 13:30

   (UTC - 07:00)
   STu4G.2

   High-Yield Heterogeneous Integration of Silicon and Lithium Niobate Thin Films

   Presenter: Stijn Cuyvers, Ghent University, Belgium

    Presentation Details   Paper  Add to Schedule

   Microtransfer printing of silicon and lithium niobate thin films on generic integrated photonic platforms is demonstrated. An unprecedented integration yield is achieved using crack barriers as a way to mitigate stress-induced shears in the material.Authors: Stijn Cuyvers, Ghent University / Tom Vanackere, Ghent University / Tom Vandekerckhove, Ghent University / Stijn Poelman, Ghent University / Camiel Op de Beeck, Ghent University / Jasper De Witte, Ghent University / Artur Hermans, Ghent University / Kasper Van Gasse, Ghent University / Nathalie Picqué, Max-Planck-Institut für Quantenoptik / Dries Van Thourhout, Ghent University / Gunther Roelkens, Ghent University / Stéphane Clemmen, Université Libre de Bruxelles / Bart Kuyken, Ghent University
3. 13:30 - 13:45

   (UTC - 07:00)
   STu4G.3

   Integrated III-v/Lithium Niobate Nonlinear Laser

   Presenter: Mingxiao Li, University of Rochester, United States

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   We demonstrate a narrow linewidth integrated nonlinear laser with both fine and coarse tunability based on electro-optic and thermo-optic effect respectively, as well as an intracavity frequency doubling capability via second-harmonic generation.Authors: Mingxiao Li, University of Rochester / Lin Chang, University of California Santa Barbara / Lue Wu, California Institute of Technology / Jeremy Staffa, University of Rochester / JINGWEI LING, University of Rochester / Usman Javid, University of Rochester / Yang He, University of Rochester / Shixin Xue, University of Rochester / Theodore Morin, University of California Santa Barbara / Boqiang Shen, California Institute of Technology / Heming Wang, California Institute of Technology / Siwei Zeng, Clemson University / Lin Zhu, Clemson University / Kerry Vahala, California Institute of Technology / John Bowers, University of California Santa Barbara / Qiang Lin, University of Rochester
4. 13:45 - 14:00

   (UTC - 07:00)
   STu4G.4

   Heterogeneously Integrated Lithium Niobate Photonics

   Presenter: Mikhail Churaev, Swiss Federal Institute of Technology Lausanne (EPFL), Switzerland

    Presentation Details   Paper  Add to Schedule

   We demonstrate a hybrid LiNbO3-Si3N4 photonic integrated platform with a propagation loss of 8.5 dB/m at wafer scale. The platform exhibits low insertion loss and precise lithographic control. We also demonstrate a number of applications of the platform.Authors: Mikhail Churaev, Swiss Federal Institute of Technology Lausanne (EPFL) / Annina Riedhauser, IBM Research - Europe / Rui Wang, Swiss Federal Institute of Technology Lausanne (EPFL) / Charles Möhl, IBM Research - Europe / Terence Blesin, Swiss Federal Institute of Technology Lausanne (EPFL) / Miles Anderson, Swiss Federal Institute of Technology Lausanne (EPFL) / Viacheslav Snigirev, Swiss Federal Institute of Technology Lausanne (EPFL) / Anat Siddharth, Swiss Federal Institute of Technology Lausanne (EPFL) / Youri Popoff, IBM Research - Europe / Ute Drechsler, IBM Research - Europe / Daniele Caimi, IBM Research - Europe / Simon Hönl, IBM Research - Europe / Johann Riemensberger, Swiss Federal Institute of Technology Lausanne (EPFL) / Junqiu Liu, Swiss Federal Institute of Technology Lausanne (EPFL) / Paul Seidler, IBM Research - Europe / Tobias Kippenberg, Swiss Federal Institute of Technology Lausanne (EPFL)
5. 14:00 - 14:30

   (UTC - 07:00)
   STu4G.5

   On-Chip Microcavity Lasers and Integrated Waveguide Amplifiers Based on Erbium-Doped Thin-Film Lithium Niobate

   Presenter: Yuping Chen, Shanghai Jiao Tong University, China

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   Invited

   A variety of high-performance on-chip LNOI-based photonic devices have been realized. In this talk, a 1-mol% erbium-doped lithium niobate crystal and its LNOI on a silicon substrate has been developed. C-band laser emission at ∼1530 and ∼1560 nm from the high-Q erbium-doped LNOI microdisk (∼ 1.05×105 ).was demonstrated with 974- and 1460-nm pumping. A net gain per unit length of 15.6 dB/cm at 1530 nm is also obtained with a compact spiral waveguide of 5.3 mm length and _0.06 mm2 footprint.Authors: Xiongshuo Yan, Shanghai Jiao Tong University / Yi'an Liu, Shanghai Jiao Tong University / Xiangmin Liu, Shanghai Jiao Tong University / Tingge Yuan, Shanghai Jiao Tong University / Xianfeng Chen, Shanghai Jiao Tong University / Yuping Chen, Shanghai Jiao Tong University
6. 14:30 - 14:45

   (UTC - 07:00)
   STu4G.6

   Ultralow-Loss Etchless Lithium Niobate Integrated Photonics at Near-Visible Wavelengths

   Presenter: Yue Yu, The Chinese University of Hong Kong, Hong Kong

    Presentation Details   Paper  Add to Schedule

   We developed an ultralow-loss etchless lithium niobate integrated photonic platform at near-visible wavelengths (765–781 nm) and experimentally achieved a maximal intrinsic Q factor of 1.1 × 106 in disk microcavities at ~765 nm.Authors: Yue Yu, The Chinese University of Hong Kong / Zejie Yu, The Chinese University of Hong Kong / Lai Wang, Tsinghua University / Xiankai Sun, The Chinese University of Hong Kong
7. 14:45 - 15:00

   (UTC - 07:00)
   STu4G.7

   Second-Harmonic Generation in Etchless Lithium Niobate Nanophotonic Waveguides With Bound States in the Continuum

   Presenter: Yue Yu, The Chinese University of Hong Kong, Hong Kong

    Presentation Details   Paper  Add to Schedule

   We experimentally demonstrated second-harmonic generation from telecom to near-visible wavelengths on an etchless lithium niobate platform by using a photonic bound state in the continuum for the second-harmonic modeAuthors: Fan Ye, The Chinese University of Hong Kong / Yue Yu, The Chinese University of Hong Kong / Xiang Xi, The Chinese University of Hong Kong / Xiankai Sun, The Chinese University of Hong Kong

Multimode Fibers and Applications - I

1. 13:00 - 13:30

   (UTC - 07:00)
   STu4P.1

   Computational Imaging Through a Multimode Fiber

   Presenter: Lyubov Amitonova, Vrije Universiteit Amsterdam, Netherlands

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   Invited

   We developed the new approach of fiber-based microendoscopy by rethinking both the optical design and the post-processing. Imaging through an ultra-thin multimode fiber probe beyond the Abbe and Nyquist limits has been experimentally demonstrated.Authors: Lyubov Amitonova, Vrije Universiteit Amsterdam
2. 13:30 - 13:45

   (UTC - 07:00)
   STu4P.2

   All-Optical Spatial Beam Switching in Multimode Fibers

   Presenter: Stefan Wabnitz, University of Rome La Sapienza, Italy

    Presentation Details   Paper  Add to Schedule

   We propose and experimentally demonstrate a novel approach to spatial all-optical switching, based on beam self-cleaning in nonlinear graded-index multimode optical fibers.Authors: Yann Leventoux, University of Limoges / Mario Ferraro, University of Rome La Sapienza / Fabio Mangini, University of Brescia / Mario Zitelli, University of Rome La Sapienza / Yifan Sun, University of Rome La Sapienza / Sebastien Fevrier, University of Limoges / Alessandro Tonello, University of Limoges / Katarzyna Krupa, Institute of Physical Chemistry, Polish Academy of Sciences / Stefan Wabnitz, University of Rome La Sapienza / Vincent Couderc, University of Limoges
3. 13:45 - 14:00

   (UTC - 07:00)
   STu4P.3

   Long-Distance Pulse Propagation of 50 Uncoupled Fiber Modes due to Topological Confinement

   Presenter: Zelin Ma, Boston University, United States

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   We demonstrate unmixed pulse propagation of 50 modes over ~0.5km of a fiber with average mode purity ~18dB and loss ~4dB/km exploiting a phenomenon where light guides due to topological confinement rather than total internal reflection.Authors: Zelin Ma, Boston University / Muhammad Khalid, Boston University / Siddharth Ramachandran, Boston University
4. 14:00 - 14:15

   (UTC - 07:00)
   STu4P.5

   Observation of Light Self-Organization and Mode Attraction in a Multimode Optical Fiber

   Presenter: Kunhao Ji, University of Southampton, United Kingdom

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   We present the first-ever quantitative analysis of mode attraction in a multimode fiber with a counter-propagative setup, as well as an overview of novel self-organization processesAuthors: Saurabh Jain, University of Southampton / Kunhao Ji, University of Southampton / Martin Miguel Angel Nunez-Velazquez, University of Southampton / Ian Davidson, University of Southampton / Jayanta Sahu, University of Southampton / Julien Fatome, University of Bourgogne / David Richardson, University of Southampton / Stefan Wabnitz, University of Sapienza of Rome / Massimiliano Guasoni, University of Southampton
5. 14:15 - 14:30

   (UTC - 07:00)
   STu4P.6

   3D MULTIPHOTON CHARACTERIZATION of Χ⁽²⁾ NONLINEARITY INDUCED in a MULTIMODE FIBER THROUGH OPTICAL POLING

   Presenter: Maxime Jonard, Xlim, France

    Presentation Details   Paper  Add to Schedule

   We characterize the 3D spatial distribution of the quadratic susceptibility in an optically poled graded-index multimode fiber in presence of spatial beam self-cleaning. We also show how the poling process can improve the beam self-cleaning.Authors: Maxime Jonard, Xlim / Yann Leventoux, Xlim / maggy Colas, IRCER / Sébastien Février, Xlim / Tigran Mansuryan, Xlim / Julie Cornette, IRCER / Alessandro Tonello, Xlim / Katarzyna Krupa, institute of physical chemistry, polish academy of scienes / jean-René Duclère, IRCER / Claire Lefort, Xlim
6. 14:30 - 14:45

   (UTC - 07:00)
   STu4P.4

   Suppressing Transverse Mode Instability in Multimode Fiber Amplifiers

   Presenter: Chun-Wei Chen, Yale University, United States

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   We demonstrate numerically and theoretically that the transverse-mode stability for a high-power fiber amplifier is greatly increased via simultaneous excitation of many high-order modes, while the amplified light maintains spatially coherent and high beam quality.Authors: Chun-Wei Chen, Yale University / Kabish Wisal, Yale University / Yaniv Eliezer, Yale University / A. Douglas Stone, Yale University / Hui Cao, Yale University

Integrated Quantum Technologies: Devices and Fabrication

1. 13:00 - 13:15

   (UTC - 07:00)
   STu4F.1

   Direct Laser Lithography: Single-Tool Patterning for Nonlinear Integrated Quantum Optics

   Presenter: Maximilian Protte, University of Paderborn, Germany

    Presentation Details   Paper  Add to Schedule

   We present direct laser lithographic patterning of low-loss waveguides, periodic poling structures for single photon generation, electro-optical modulators and superconducting detectors based on WSi, for integrated quantum circuits in titanium in-diffused lithium niobate.Authors: Maximilian Protte, University of Paderborn / Varun Verma, National Institute of Standards and Technology / Julian Brockmeier, University of Paderborn / Jan Philipp Hoepker, University of Paderborn / Felix vom Bruch, University of Paderborn / Sebastian Lengeling, University of Paderborn / Raimund Ricken, University of Paderborn / Christof Eigner, University of Paderborn / Christine Silberhorn, University of Paderborn / Richard Mirin, National Institute of Standards and Technology / Sae Nam, National Institute of Standards and Technology / Tim Bartley, University of Paderborn
2. 13:15 - 13:30

   (UTC - 07:00)
   STu4F.2

   Scalable Multi-Channel Optical Waveform Generation With Lithium Niobate

   Presenter: Ian Christen, MIT, United States

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   We demonstrate fast and accurate individual control over sixteen optical modes using integrated lithium niobate modulators. This result marks a first step towards realizing scalable optical hardware necessary for general quantum computation on atomic systems.Authors: Ian Christen, MIT / Thomas Propson, MIT / Adrian Menssen, MIT / Christopher Panuski, MIT / Amir Ghadimi, CSEM / Dirk Englund, MIT
3. 13:30 - 13:45

   (UTC - 07:00)
   STu4F.3

   Scalable Optical Control for Atomic Qubits in a Silicon Nitride Platform

   Presenter: Adrian Menssen, Massachusetts Institute of Technology, United States

    Presentation Details   Paper  Add to Schedule

   Here we present a new integrated photonics platform for optical quantum control that allows the generation of multiple high fidelity optical pulses to implement quantum gates on individual atomic qubits at speeds exceeding several hundred MHz.Authors: Adrian Menssen, Massachusetts Institute of Technology / Artur Hermans, Massachusetts Institute of Technology / Ian Christen, Massachusetts Institute of Technology / Mark Dong, Massachusetts Institute of Technology / Matthew Zimmermann, Massachusetts Institute of Technology / Andrew Leenheer, Massachusetts Institute of Technology / Thomas Propson, Massachusetts Institute of Technology / Hugo Larocque, Massachusetts Institute of Technology / Gerald Gilbert, The MITRE Corporation / Matt Eichenfield, Sandia National Laboratory / Dirk Englund, Massachusetts Institute of Technology
4. 13:45 - 14:00

   (UTC - 07:00)
   STu4F.4

   Qp-SLM: an Open-Source Holography Suite for Spatial Light Modulators

   Presenter: Sivan Trajtenberg-Mills, MIT, Israel

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   We present qp-SLM, a python software package for high-performance control of phase-only spatial light modulators. We demonstrate qp-SLM for automated trimming of a 64-pixel photonic crystal SLM by picometer-precision thermal oxidation.Authors: Sivan Trajtenberg-Mills, MIT / Christopher Panuski, MIT / Ian Christen, MIT / Dirk Englund, MIT
5. 14:00 - 14:30

   (UTC - 07:00)
   STu4F.5

   Scaling Trapped-ion Quantum Computing

   Presenter: Jonathan Home, ETH Zurich, Switzerland

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   Invited

   I will describe technologies and approaches for scaling up trapped-ion quantum computing towards the scale required for quantum error correction. This will include progress on the use of integrated optics for controlling ions, as well as the use of Penning traps to mitigate challenges of scaling radio-frequency approaches.Authors: Jonathan Home, ETH Zurich
6. 14:30 - 14:45

   (UTC - 07:00)
   STu4F.6

   Improved rf Tolerance of Trap-Integrated Superconducting Nanowire Single-Photon Detectors for Trapped-Ion Qubit State Readout

   Presenter: Benedikt Hampel, NIST, United States

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   The performance of ion-trap-integrated superconducting nanowire single-photon detectors for trapped-ion qubit readout is significantly impacted by rf trapping fields. We demonstrate an electrically-shielded trap-integrated detector with substantially improved rf tolerance.Authors: Benedikt Hampel, NIST / Daniel Slichter, NIST / Dietrich Leibfried, NIST / Richard Mirin, NIST / Sae Nam, NIST / Varun Verma, NIST
7. 14:45 - 15:00

   (UTC - 07:00)
   STu4F.7

   Non-Magnetic Optical Isolator for Telecom Based on Atomic Cladding Waveguide

   Presenter: Ilan Sher, Hebrew University, Israel

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   In this work we present chip scale nonmagnetic optical isolator in the telecom regime. The nonreciprocity is realized by Doppler shift resulting from the velocity selective optical pumping of warm Rubidium atoms in ladder scheme.Authors: Ilan Sher, Hebrew University / Uriel Levy, Hebrew University / Roy Zektzer, Hebrew University

Symposium on Entangled Two-Photon Absorption: New Opportunities in Molecular Science and Spectroscopy I

1. 13:00 - 13:30

   (UTC - 07:00)
   JTu4D.1

   Setting Experimental Bounds on Entangled Two-Photon Absorption Cross Sections

   Presenter: Kristen Parzuchowski, University of Colorado, United States

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   Invited

   We show strong evidence—from both fluorescence and transmittance measurements—that entangled two-photon absorption cross sections are several orders of magnitude lower than many prior reports have claimed.Authors: Kristen Parzuchowski, University of Colorado / Alexander Mikhaylov, University of Colorado / Michael Mazurek, University of Colorado / Ryan Wilson, University of Colorado / Daniel Lum, National Institute of Standards and Technology / Thomas Gerrits, National Institute of Standards and Technology / Charles Camp Jr., National Institute of Standards and Technology / Martin Stevens, National Institute of Standards and Technology / Ralph Jimenez, University of Colorado
2. 13:30 - 14:00

   (UTC - 07:00)
   JTu4D.2

   Experimental Study of the Validity of Entangled two-Photon Absorption Measurements in Organic Compounds

   Presenter: Alfred U'Ren, Instituto de Ciencias Nucleares,, Mexico

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   Invited

   We present a study of entangled two-photon absorption (ETPA) in Rhodamine B and Zinc Tetraphenylporphirin, using different experimental schemes. Our results suggest that while photon-absorption takes place, it is not due to ETPA.Authors: Samuel Corona, Instituto de Ciencias Nucleares, / Omar Calderon Losada, Instituto de Ciencias Nucleares, / Mayte Li Gomez, Instituto de Ciencias Nucleares, / hector ramirez, Instituto de Ciencias Nucleares, / Violeta Alvarez Venicio, Instituto de Ciencias Nucleares, / Maria del Pilar Carreon Castro, Instituto de Ciencias Nucleares, / Roberto Leon Montiel, Instituto de Ciencias Nucleares, / Alfred U'Ren, Instituto de Ciencias Nucleares
3. 14:00 - 14:15

   (UTC - 07:00)
   JTu4D.3

   Two-Photon Absorption of Squeezed Light in the Continuous-Wave Limit

   Presenter: Christian Drago, University of Toronto, Canada

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   We calculate the two-photon absorption for squeezed light pumped by a continuous-wave source, near or far from resonance, beyond the low intensity limit. For typical two-photon absorption parameters, we find no squeezed light enhancement.Authors: Christian Drago, University of Toronto / John Sipe, University of Toronto
4. 14:15 - 14:45

   (UTC - 07:00)
   JTu4D.4

   Entangled Two-Photon Absorption and Spectroscopy in Organic Systems: a Practical Guide for Chemists

   Presenter: Audrey Eshun, University of Michigan, United States

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   Invited

   We present the successful execution of sensitive entangled two-photon absorption spectroscopy in organic and biological materials. We also demonstrate that the coincidence signal of photon pairs is sensitive to a chromophore placed in a Hong-Ou-Mandel interferometer path.Authors: Audrey Eshun, University of Michigan / Juan Villabona, University of Michigan
5. 14:45 - 15:00

   (UTC - 07:00)
   JTu4D.5

   Enhancing Stimulated Raman Excitation and Two-Photon Absorption by Entangled Light

   Presenter: Anatoly Svidzinsky, Texas A&M University, United States

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   We find that stimulated Raman excitation of an atom by a two-photon pulse can be enhanced by orders of magnitude if the photons are simultaneously frequency correlated and spatially anti-correlated. That is correlated photon pair must have an inherent time delay between its constituent photons.Authors: Anatoly Svidzinsky, Texas A&M University / Girish Agarwal, Texas A&M University / Anton Classen, Texas A&M University / Alexei Sokolov, Texas A&M University / Aleksei Zheltikov, Texas A&M University / Suhail Zubairy, Texas A&M University / Marlan Scully, Texas A&M University

Symposium on Crossroads of Metaphotonics: Computational Imaging and Reconfigurable Metasurfaces I

1. 13:00 - 13:15

   (UTC - 07:00)
   JTu4Q.1

   Electrothermal 1D Varifocal Metalens

   Presenter: Quentin Tanguy, University of Washington, United States

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   We report a MEMS-based spatial light modulator which consists of an electrothermally actuated varifocal metasurface. The focal length spans over 40 μm for less than 10 V and presents a high compactness and simplicity of fabrication.Authors: Quentin Tanguy, University of Washington / Hussein Hussein, King Abdullah University of Science and Technology / Shane Colburn, University of Washington / Luocheng Huang, University of Washington / Karl Böhringer, University of Washington / Arka Majumdar, University of Washington
2. 13:15 - 13:30

   (UTC - 07:00)
   JTu4Q.2

   Reconfigurable Parfocal Zoom Metalens

   Presenter: Mikhail Shalaginov, Massachusetts Institute of Technology, United States

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   We designed and experimentally realized a non-mechanically tuned metalens capable of performing ×10 zoom while maintaining focus. The metalens consists of two dielectric metasurfaces made of low-loss optical phase-change material, Ge2Sb2Se4Te1.Authors: Mikhail Shalaginov, Massachusetts Institute of Technology / Fan Yang, Massachusetts Institute of Technology / Sensong An, Massachusetts Institute of Technology / Hung-I Lin, Massachusetts Institute of Technology / Katherine Stoll, Massachusetts Institute of Technology / Myungkoo Kang, University of Central Florida / Anuradha Agarwal, Massachusetts Institute of Technology / Kathleen Richardson, University of Central Florida / Clara Rivero-Baleine, Lockheed Martin Corporation / Hualiang Zhang, University of Massachusetts Lowell / Juejun Hu, Massachusetts Institute of Technology / Tian Gu, Massachusetts Institute of Technology
3. 13:30 - 14:00

   (UTC - 07:00)
   JTu4Q.3

   Tunable Light-Matter Interactions in Low-Dimensional Excitonic Semiconductors.

   Presenter: Deep Jariwala, University of Pennsylvania, United States

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   Invited

   In this talk we will present our work in electro-optic and photonic devices with scalable, atomically-thin semiconductors such as metal chalcogenides, halides and carbon-nanotubes. We will highlight our results in exciton tuning for metasurfaces.Authors: Deep Jariwala, University of Pennsylvania
4. 14:00 - 14:30

   (UTC - 07:00)
   JTu4Q.4

   (Withdrawn) Title to be Announced

   Presenter: Laura Liu, University of Stuttgart, Germany

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   Invited

   Abstract not available.Authors: Laura Liu, University of Stuttgart
5. 14:30 - 15:00

   (UTC - 07:00)
   JTu4Q.5

   Optically, Electrically and Cognitively Reconfigurable Metasurfaces

   Presenter: Chengwei Qiu, National University of Singapore, Singapore

    Presentation Details  Add to Schedule

   Invited

   I will report a few paradigms for reconfigurable metasurfaces. In particular, i will focus on optical, electrical and cognitive (brain-computer-interface) means of tuning metasurfaces.Authors: Chengwei Qiu, National University of Singapore

Light-induced Emergent Phenomena in Solids

1. 13:00 - 13:30

   (UTC - 07:00)
   FTu4B.1

   Exciton-Driven Ultrafast Enhancement of Quasiparticle Bandgap and Effective Mass in Monolayer MoS₂

   Presenter: Yi Lin, Berkeley National Lab, United States

    Presentation Details   Paper  Add to Schedule

   Highlighted Talk

   We report ultrafast increase of the quasi-particle bandgap and effective mass in photoexcited monolayer MoS2 on HOPG, utilizing extreme-ultraviolet time- and angle-resolved photoemission spectroscopy. Combined with theoretical models, we attribute these compelling band renormalizations to the excitonic effects from bound electron-hole pairs.Authors: Yi Lin, Berkeley National Lab / Yang-hao Chan, Academia Sinica / Woojoo Lee, The University of Texas at Austin / Li-Syuan Lu, National Yang Ming Chiao Tung University / Zhenglu Li, Berkeley National Lab / Wen-hao Chang, National Yang Ming Chiao Tung University / Chih-Kang Shih, The University of Texas at Austin / Robert Kaindl, Berkeley National Lab / Steven Louie, Berkeley National Lab / Alessandra Lanzara, Berkeley National Lab
2. 13:30 - 13:45

   (UTC - 07:00)
   FTu4B.2

   Long-Lived THz-Induced Birefringent State in Quantum Paraelectric KTaO3

   Presenter: Peisong Peng, Tulane Univeristy, United States

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   We report the observation of a long-lived birefringent state in quantum para- electric KTaO3 induced by THz pump pulses in a two-THz-photon process. We relate this long-lived state to the proximity of the ferroelectric phase transition.Authors: xiaojiang li, Tulane Univeristy / Peisong Peng, Tulane Univeristy / Sergey Prosandeev, University of Arkansas / Laurent Bellaiche, University of Arkansas / Diyar Talbayev, Tulane Univeristy
3. 13:45 - 14:00

   (UTC - 07:00)
   FTu4B.3

   Control of the Coherent Excitonic Nonlinear Response in WSe2

   Presenter: Omri Meron, Tel Aviv University, Israel

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   We experimentally demonstrate pulse-shape-based coherent control of the A-exciton resonance in monolayer WSe2, steering the third-order nonlinear response from fully destructive to constructive interference. Our results outperform the transform-limited case by a 2.3 enhancement factor.Authors: Omri Meron, Tel Aviv University / Uri Arieli, Tel Aviv University / Eyal Bahar, Tel Aviv University / Swarup Deb, Tel Aviv University / Moshe Ben-Shalom, Tel Aviv University / Haim Suchowski, Tel Aviv University
4. 14:00 - 14:15

   (UTC - 07:00)
   FTu4B.4

   Towards Ultrafast, Near-Unity Light Modulation at the Few-Electron Limit Using Exciton-Trion-Polaritons

   Presenter: Okan Koksal, National Institute of Standards and Technology, United States

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   Exciton-trion-polaritons, quasiparticles with tunable, strong electron-photon coupling, are described. Devices using these particles are electrostatically controlled, and shown to be promising in realizing small-scale, ultrafast, near-unity light modulators which are otherwise difficult to realize.Authors: Okan Koksal, National Institute of Standards and Technology / Minwoo Jung, Cornell University / Christina Manolatou, Cornell University / Gennady Shvets, Cornell University / Farhan Rana, Cornell University / Amit Agrawal, National Institute of Standards and Technology
5. 14:15 - 14:30

   (UTC - 07:00)
   FTu4B.5

   Photon-Assisted Interlayer Transport in Transition-Metal Dichalcogenide Heterostructures

   Presenter: Martin Mittendorff, Universitaet Duisburg-Essen, Germany

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   Heterostructures of two-dimensional materials are highly interesting for opto-electronic applications as they provide a fast charge transfer between the layers. Here we present photocurrent measurements at photon-energies far below the involved band gaps.Authors: JeongWoo Han, Universitaet Duisburg-Essen / Yijing Liu, Georgetown University / Peize Han, Georgetown University / Paola Barbara, Georgetown University / Thomas Murphy, University of Maryland / Martin Mittendorff, Universitaet Duisburg-Essen
6. 14:30 - 14:45

   (UTC - 07:00)
   FTu4B.6

   Unveiling the Underdamped Longitudinal Soft Mode in Paraelectric KDP by Ultrafast x-ray Diffraction

   Presenter: Isabel Gonzalez-Vallejo, Max Born Institute for Nonlinear Optics and Short Pulse Spectroscopy, Germany

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   We present ultrafast x-ray diffraction experiments of the underdamped soft mode in paraelectric KDP. Charge density maps derived from the x-ray data reveal oscillatory electronic charge relocations over interatomic distances, much larger than the sub-picometer nuclear displacements, a hallmark of soft-mode behavior.Authors: Isabel Gonzalez-Vallejo, Max Born Institute for Nonlinear Optics and Short Pulse Spectroscopy / Azize Koc, Max Born Institute for Nonlinear Optics and Short Pulse Spectroscopy / Klaus Reimann, Max Born Institute for Nonlinear Optics and Short Pulse Spectroscopy / Michael Woerner, Max Born Institute for Nonlinear Optics and Short Pulse Spectroscopy / Thomas Elsaesser, Max Born Institute for Nonlinear Optics and Short Pulse Spectroscopy
7. 14:45 - 15:15

   (UTC - 07:00)
   FTu4B.7

   Ultrafast Coherent Control of a Quantum Material Revealed by Time- and Angle-Resolved Photoemission

   Presenter: Wentao Zhang, Shanghai Jiao Tong University, China

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   Invited

   I will present the coherent control of the electronic dimensionality in the charge density wave material TiSe2 via photoinduced coherent electron-phonon coupling and the novel electronic state at the photoinduced interface.Authors: Wentao Zhang, Shanghai Jiao Tong University

Advanced Microscopic Applications

1. 16:00 - 16:30

   (UTC - 07:00)
   ATu5I.1

   3D Phase and Fluorescence Microscopy With Scattering Samples

   Presenter: Laura Waller, University of California Berkeley, United States

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   Invited

   This talk will describe new microscopy methods that use computational imaging to enable 3D phase (refractive index) and 3D fluorescence measurements in samples that are thick or incur multiple scattering.Authors: Laura Waller, University of California Berkeley
2. 16:30 - 16:45

   (UTC - 07:00)
   ATu5I.2

   Longitudinal Deep-Brain Imaging Through an Intact Skull Using a Label-Free Reflection Matrix Microscopy

   Presenter: Yong Woo Kwon, Institute for Basic Science, Korea (the Republic of)

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   We implemented a label-free reflection matrix microscopy system using a 1.3-μm wavelength pulsed laser and conducted in vivo imaging of a 3- to 10-week-old mouse brain with an intact skull. The myelination processes at the early developmental stages were observed up to the cortical layer IV with the ideal diffraction-limited resolution of 650 nm.Authors: Yong Woo Kwon, Institute for Basic Science / Seokchan Yoon, Institute for Basic Science / Jin Hee Hong, Institute for Basic Science / Hojun Lee, Samsung Electronics Co., Ltd / Wonshik Choi, Institute for Basic Science
3. 16:45 - 17:00

   (UTC - 07:00)
   ATu5I.3

   Multimodal Imaging Using Combined Optical Fourier Ptychographic Microscopy and Atomic Force Microscopy for Biological Measures

   Presenter: Omer Wagner, cambridge university, United Kingdom

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   We present a platform that perform live imaging using Fourier Ptychographic Microscopy co-localised with Atomic Force Microscopy. This specially fit emerging research on cellular biological processes regulated by tissue mechanics, including neuronal growth and stem-cell differentiation.Authors: Omer Wagner, cambridge university / Alexander Winkel, cambridge university / Eva Kreysing, cambridge university / Kristian Franze, cambridge university
4. 17:00 - 17:30

   (UTC - 07:00)
   ATu5I.4

   Autonomous Multi-Scale Imaging With Axially Swept Light-Sheet Microscopy

   Presenter: Kevin Dean, UT Southwestern, United States

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   Invited

   We describe the development of a fully autonomous multi-scale fluorescence imaging system for the identification and molecular interrogation of rare metastatic events with 300 nm isotropic resolution in large tissue contexts.Authors: Kevin Dean, UT Southwestern
5. 17:30 - 17:45

   (UTC - 07:00)
   ATu5I.5

   Functional Drug Sensitivity Screening of Bioprinted Tumor Organoids Using High-Speed Live Cell Interferometry

   Presenter: Bowen Wang, University of California Los Angeles, United States

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   We develop a method to apply a high-throughput quantitative phase imaging-based assay to functional biomass accumulation measurements of 3D tumor organoids with single-organoid resolution, and demonstrate its utility for drug screening and therapy selection.Authors: Bowen Wang, University of California Los Angeles / Peyton Tebon, University of California Los Angeles / Alexander Markowitz, David Geffen School of Medicine at UCLA / Graeme Murray, Virginia Commonwealth University / Huyen Nguyen, David Geffen School of Medicine at UCLA / Nasrin Tavanaie, David Geffen School of Medicine at UCLA / Thang Nguyen, University of California Los Angeles / Paul Boutros, David Geffen School of Medicine at UCLA / Alice Soragni, David Geffen School of Medicine at UCLA / Michael Teitell, University of California Los Angeles
6. 17:45 - 18:00

   (UTC - 07:00)
   ATu5I.6

   Optically Computed Phase Microscopy to Assess Cellular Uptake of Lipid Nanoparticles

   Presenter: Yuwei Liu, New Jersey Institute of Technology, United States

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   We developed a novel optically computed phase microscopy (OCPM) system, for depth-resolved phase imaging. We used OCPM to assess cellular uptake of lipid nanoparticles (LNPs), for the optimization of drug delivery systems based on LNPs.Authors: Xuan Liu, New Jersey Institute of Technology / Zhaoxiong Wan, New Jersey Institute of Technology / Yuanwei Zhang, New Jersey Institute of Technology / Yuwei Liu, New Jersey Institute of Technology

Mid-IR Frequency Combs and Advanced Comb Applications

1. 16:00 - 16:30

   (UTC - 07:00)
   ATu5K.1

   Mid-Infrared Dual-Comb Spectroscopy for High Temperature Speciation and Reaction Monitoring

   Presenter: Markus Mangold, IRsweep, Switzerland

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   Invited

   Quantum cascade laser frequency combs give access to mid-infrared spectroscopy with microsecond time resolution and broad spectral coverage. We will show how this facilitates thermometry, multi-species analysis, and rate coefficient determination in high-pressure combustion reactions.Authors: Markus Mangold, IRsweep / Raphael Horvath, IRsweep / Pitt Allmendinger, IRsweep / Markus Geiser, IRsweep
2. 16:30 - 16:45

   (UTC - 07:00)
   ATu5K.2

   Velocity Measurements in a Ground-Test Ramjet Using Dual Frequency Comb Spectroscopy

   Presenter: David Yun, CU Boulder, United States

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   We demonstrate velocity measurements using dual frequency comb spectroscopy in a supersonic test engine at various flow conditions with a 1% calculated measurement uncertainty.Authors: David Yun, CU Boulder / Ryan Cole, CU Boulder / Nathan Malarich, CU Boulder / Sean Coburn, CU Boulder / Nazanin Hoghooghi, CU Boulder / Jacob France, Innovative Scientific Solutions Inc. / Kristin Rice, AFRL / Jeffrey Donbar, AFRL / Gregory Rieker, CU Boulder
3. 16:45 - 17:00

   (UTC - 07:00)
   ATu5K.3

   Full Stabilization of a Quantum Cascade Laser Frequency Comb via Radiofrequency Injection and Frequency Locking to a Crystalline Microresonator

   Presenter: Giacomo Insero, INO-CNR and LENS, Italy

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   We demonstrate a novel scheme for full stabilization of a Quantum Cascade Laser Frequency Comb via radio-frequency injection and frequency stabilization on a crystalline microresonator. A final linewidth of 30 kHz over 2 ms is achieved.Authors: Giacomo Insero, INO-CNR and LENS / Zhen Wang, INO-CNR and LENS / Simone Borri, INO-CNR and LENS / Paolo De Natale, INO-CNR and LENS / Mario Siciliani de Cumis, ASI / Francesco Cappelli, INO-CNR and LENS
4. 17:00 - 17:15

   (UTC - 07:00)
   ATu5K.4

   Broadband Spectroscopic Imaging Using Dual Frequency Comb Spectroscopy and Compressive Sensing

   Presenter: Elizabeth Strong, University of Colorado, Boulder, United States

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   We merge the broadband, high resolution capabilities of dual frequency comb spectroscopy with a spatially resolving single pixel camera experimental architecture to demonstrate broadband spectroscopic imaging via compressive sensing.Authors: Elizabeth Strong, University of Colorado, Boulder / Sean Coburn, University of Colorado, Boulder / Alexander Anderson, University of Colorado, Boulder / Ryan Cole, University of Colorado, Boulder / Juliet Gopinath, University of Colorado, Boulder / Stephen Becker, University of Colorado, Boulder / Gregory Rieker, University of Colorado, Boulder
5. 17:15 - 17:30

   (UTC - 07:00)
   ATu5K.5

   High-Resolution Quantum Cascade Laser Dual-Comb Spectroscopy With Accurate, Absolute Frequency Scale

   Presenter: Michele Gianella, Empa, Switzerland

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   We acquire interleaved spectra with a frequency scale that is accurate to within ±2 MHz in 54 ms using a dual-comb spectrometer with two quantum cascade laser frequency combs around 1300 cm-1.Authors: Michele Gianella, Empa / Kenichi Komagata, Université de Neuchâtel / Simon Vogel, Empa / Valentin Wittwer, Université de Neuchâtel / Mathieu Bertrand, ETH Zurich / Stéphane Schilt, Université de Neuchâtel / Jérome Faist, ETH Zurich / Thomas Südmeyer, Université de Neuchâtel / Lukas Emmenegger, Empa
6. 17:30 - 17:45

   (UTC - 07:00)
   ATu5K.6

   Dynamic Ellipsometry Measurement Based on a Simplified Independent Locking Dual-Comb System

   Presenter: Ruixue Zhang, Tsinghua University, China

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   High-speed and dynamic ellipsometry spectroscopic measurement has been developed with an independent locking dual-comb system. The measurement precision and dynamic performance of the proposed system are demonstrated experimentally.Authors: Ruixue Zhang, Tsinghua University / Liheng Shi, Tsinghua University / Siyu Zhou, Tsinghua University / Guanhao Wu, Tsinghua University
7. 17:45 - 18:00

   (UTC - 07:00)
   ATu5K.7

   Absolute Angular Position Sensing by Dual-Comb Autocollimator

   Presenter: Siyu Zhou, Tsinghua University, China

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   We propose a dynamic absolute angular position measurement method based on dual-comb spectroscopy combined with laser auto-collimation technique. The method exhibits a dynamic angle precision of 0.12 arcsec in the range of ~6660 arcsec.Authors: Siyu Zhou, Tsinghua University / Ruilin Jiang, Tsinghua University / Ruixue Zhang, Tsinghua University / Jie Liu, Institute of remote sensing satellite, China Academy of Space Technology / Yawen Cai, Institute of remote sensing satellite, China Academy of Space Technology / Jiuli Liu, Institute of remote sensing satellite, China Academy of Space Technology / Guanhao Wu, Tsinghua University

Cutting-Edge Technologies and Optical Devices

1. 16:00 - 16:30

   (UTC - 07:00)
   ATu5M.1

   Quantum Limited Phase Sensitivity in a Active Interferometers - Can the Signal to Noise be Enhanced?

   Presenter: Jean-Claude Diels, University of New Mexico, United States

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   Invited

   A sensor based on the beating of two frequency combs generated by a single OPO resolves nanoradian phase differences. Noise reduction and sensitivity enhancement methods will be presented in addition to practical fiber implementations.Authors: Jean-Claude Diels, University of New Mexico / Xiaobing Zhu, University of New Mexico / Luke Horstman, University of New Mexico
2. 16:30 - 16:45

   (UTC - 07:00)
   ATu5M.2

   Optical Synchronization of a 2 µm Ho:Fiber Oscillator and Phase-Noise Analysis

   Presenter: Jost Mueller, Deutsches Elektronen Synchrotron, Germany

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   A 2 µm Holmium oscillator, frequency-converted to 1025 nm, and a 1030 nm oscillator locked to an RF reference are synchronized optically. The timing jitter measured on the 2 µm oscillator is reduced to 19 fs.Authors: Anne-Laure Calendron, Deutsches Elektronen Synchrotron / Thorsten Lamb, Deutsches Elektronen Synchrotron / Christoph Mahnke, Deutsches Elektronen Synchrotron / Huseyin Cankaya, Center for Free-Electron Laser Science CFEL / Sebastian Schulz, Deutsches Elektronen Synchrotron / Jost Mueller, Deutsches Elektronen Synchrotron / Ingmar Hartl, Deutsches Elektronen Synchrotron / Holger Schlarb, Deutsches Elektronen Synchrotron
3. 16:45 - 17:00

   (UTC - 07:00)
   ATu5M.3

   Lens-Free Optical Physical Unclonable Function With Native Fibrous Media

   Presenter: Minseok Kim, GIST, Korea (the Republic of)

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   We propose a novel optical PUFs by adopting native silk with its intrinsic properties of randomly disordered structures. The demonstrated silk PUFs present high reproducibility and randomness in bit extractions.Authors: Minseok Kim, GIST / Gil Ju Lee, Pusan national university / Seung Ho Choi, Yonsei university / Jungwoo Leem, Purdue university / Young.L Kim, Purdue university / Young Min Song, GIST
4. 17:00 - 17:15

   (UTC - 07:00)
   ATu5M.4

   Implantable Optical Fiber Sensor for Monitoring the Stress Evolution in Lithium-Sulfur Battery

   Presenter: Yanpeng Li, Huazhong Univ of Science and Technology, China

    Presentation Details   Paper  Add to Schedule

   We report the implantable optical fiber sensor for monitoring the cathode stress evolution in the lithium-sulfur battery. The operando decoding of the chemo-mechanics events of Li-sulfur battery is successfully realized.Authors: Yanpeng Li, Huazhong Univ of Science and Technology / Ziyun Miao, Huazhong Univ of Science and Technology / Xiangpeng Xiao, Huazhong Univ of Science and Technology / Zhen Li, Huazhong Univ of Science and Technology / zhijun yan, Huazhong Univ of Science and Technology / Qizhen Sun, Huazhong Univ of Science and Technology
5. 17:15 - 17:30

   (UTC - 07:00)
   ATu5M.6

   High Speed Etched Facet Traveling Wave Modulators for Micro Transfer Print Integration

   Presenter: Thomas Meissner, UCSB, United States

    Presentation Details   Paper  Add to Schedule

   Traveling wave etched facet waveguide modulators are designed and fabricated. Measurements demonstrate a 56 GHz bandwidth at 1275 nm with power handling greater than 20 dBm. Micro transfer printing onto silicon has also been demonstrated.Authors: Thomas Meissner, UCSB / Si Zhu, UCSB / Simone Šuran Brunelli, UCSB / Andrew Carter, Teledyne / Adam Young, Teledyne / Chongxin Zhang, UCSB / Lei Wang, UCSB / Gopi Meena, Ultra Low Loss Technologies / Renan Moreira, Ultra Low Loss Technologies / Larry Coldren, UCSB / Jonathan Klamkin, UCSB
6. 17:30 - 17:45

   (UTC - 07:00)
   ATu5M.5

   Dynamic Monitoring of Strain Distribution in Optical Fiber Coils

   Presenter: Pierre Travers, Thales Land & Air Systems, France

    Presentation Details   Paper  Add to Schedule

   We present a high frequency (500 Hz) and high resolution (sub-50 cm) strain distribution measurement in a 1-km fiber coil excited by a shaker, using a phase-sensitive optical frequency domain reflectometer.Authors: Pierre Travers, Thales Land & Air Systems / Guillaume Arpison, Thales Research & Technology / Inès Ghorbel, Thales Research & Technology / Vincent Crozatier, Thales Research & Technology / Yohann Leguillon, Thales Land & Air Systems / François Louf, Laboratoire de Mécanique et Technologie / Pierre-Alain Boucard, Laboratoire de Mécanique et Technologie / Vincent Kemlin, Thales Research & Technology

Generation and Measurement of Quantum States

1. 16:00 - 16:15

   (UTC - 07:00)
   FTu5A.1

   Generation of SchröDinger Cat States With Wigner Negativity Using a Low-Loss Continuous-Wave Optical Parametric Amplifier

   Presenter: Akito Kawasaki, The university of Tokyo, Japan

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   We observed Wigner negativity of Schrödinger cat states generated with a low-loss continuous-wave optical parametric amplifier, paving the way toward fault-tolerant and universal quantum computation with terahertz clock frequency.Authors: Akito Kawasaki, The university of Tokyo / Kan Takase, The university of Tokyo / Byung Kyu Jeong, The university of Tokyo / Takahiro Kashiwazaki, NTT Device Technology Labs / Takushi Kazama, NTT Device Technology Labs / Koji Enbutsu, NTT Device Technology Labs / Kei Watanabe, NTT Device Technology Labs / Takeshi Umeki, NTT Device Technology Labs / Shigehito Miki, National Institute of Information and Communications Technology / Hirotaka Terai, National Institute of Information and Communications Technology / Masahiro Yabuno, National Institute of Information and Communications Technology / Fumihiro China, National Institute of Information and Communications Technology / Warit Asavanant, The university of Tokyo / Mamoru Endo, The university of Tokyo / Jun-ichi Yoshikawa, The university of Tokyo / Akira Furusawa, The university of Tokyo
2. 16:15 - 16:30

   (UTC - 07:00)
   FTu5A.2

   Time-Resolved Second-Order Coherence of an Integrated Biphoton Frequency Comb

   Presenter: Karthik Myilswamy, Purdue University, United States

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   We perform time-resolved second-order coherence characterization of multiple photon resonances from an integrated 40.5 GHz silicon nitride microring, using electro-optic modulation to observe interference effects otherwise hidden by detector jitter.Authors: Karthik Myilswamy, Purdue University / Suparna Seshadri, Purdue University / Junqiu Liu, Swiss Federal Institute of Technology Lausanne (EPFL)Swiss Federal Institute of Technology Lausanne (EPFL) / Tobias Kippenberg, Swiss Federal Institute of Technology Lausanne (EPFL)Swiss Federal Institute of Technology Lausanne (EPFL) / Andrew Weiner, Purdue University / Joseph Lukens, Oak Ridge National Laboratory
3. 16:30 - 16:45

   (UTC - 07:00)
   FTu5A.3

   Non-Gaussian State Design With the Quantum Frequency Proccesor

   Presenter: Andrew Pizzimenti, University of Arizona, United States

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   We develop an approach for engineering non-Gaussian photonic states in discrete frequency bins. Combining the quantum frequency processor and photon-number-resolving detection, simulated examples demonstrate the potential for producing high-fidelity cat states with reasonable resource requirements.Authors: Andrew Pizzimenti, University of Arizona / Joseph Lukens, Oak Ridge National Laboratory / Hsuan-Hao Lu, Oak Ridge National Laboratory / Nicholas Peters, Oak Ridge National Laboratory / Saikat Guha, University of Arizona / Christos Gagatsos, University of Arizona
4. 16:45 - 17:00

   (UTC - 07:00)
   FTu5A.4

   Creation of Photonic Cat and GKP States Using Modulated Electrons

   Presenter: Gefen Baranes, Technion – Israel Institute of Technology, Israel

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   We show how the coherent shaping of free-electron wavefunctions enables the construction of coherent grid states. We present a scheme to create Schrödinger cat and GKP states, which are sought-after for fault-tolerant photonic quantum computation.Authors: Gefen Baranes, Technion – Israel Institute of Technology / Raphael Dahan, Technion – Israel Institute of Technology / Alexey Gorlach, Technion – Israel Institute of Technology / Ron Ruimy, Technion – Israel Institute of Technology / Nicholas Rivera, Massachusetts Institute of Technology / Ido Kaminer, Technion – Israel Institute of Technology
5. 17:00 - 17:15

   (UTC - 07:00)
   FTu5A.5

   Bayesian Optical Heterodyne Tomography

   Presenter: Joseph Chapman, Oak Ridge National Laboratory, United States

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   We introduce a complete workflow for Bayesian quantum state tomography of generic continuous-variable states. We also summarize experimental results applying this workflow to the tomographic reconstruction of thermal and coherent states of light.Authors: Joseph Chapman, Oak Ridge National Laboratory / Joseph Lukens, Oak Ridge National Laboratory / Bing Qi, Oak Ridge National Laboratory / Raphael Pooser, Oak Ridge National Laboratory / Nicholas Peters, Oak Ridge National Laboratory
6. 17:15 - 17:45

   (UTC - 07:00)
   FTu5A.6

   Iterative Protocols for the Generation of new Quantum States of Light

   Presenter: Rosa Tualle-brouri, Institut d'Optique, France

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   Invited

   The efficiency of iterative protocols for the generation of new quantum states of light will be discussed, as well as the possibility to design an all-optical quantum processor in order to implement such protocols.Authors: Rosa Tualle-brouri, Institut d'Optique / Viviane Cotte, Institut d'Optique / Benjamin Pointard, Institut d'Optique / Hector Simon, Institut d'Optique
7. 17:45 - 18:00

   (UTC - 07:00)
   FTu5A.7

   Scalable Preparation and Measurement of 2^N-Dimensional Time-bin States in (2^N+1) Mutually Unbiased Bases

   Presenter: Takuya Ikuta, NTT Corporation, Japan

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   We propose (2N+1) mutually unbiased basis measurement for 2N-dimensional time-bin states, where the number of devices scales logarithmically with the dimension. We observed average error of only 3.8% for four-dimensional phase bases.Authors: Takuya Ikuta, NTT Corporation / Seiseki Akibue, NTT Corporation / Yuya Yonezu, NTT Corporation / Toshimori Honjo, NTT Corporation / Hiroki Takesue, NTT Corporation / Kyo Inoue, Osaka University

Topological Processes II

1. 16:00 - 16:30

   (UTC - 07:00)
   FTu5J.1

   Fractal Photonic Topological Insulators

   Presenter: Matthias Heinrich, University of Rostock, Germany

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   Highlighted Talk

   We present the first experimental observation of a fractal topological insulator and demonstrate how the self-similar properties of the Sierpinski gasket systematically enhance the transport of light in its topologically protected edge states.Authors: Matthias Heinrich, University of Rostock / Tobias Biesenthal, University of Rostock / Lukas Maczewsky, University of Rostock / Zhaoju Yang, Zhejiang University / Mark Kremer, University of Rostock / Mordechai Segev, Technion–Israel Institute of Technology / Alexander Szameit, University of Rostock
2. 16:30 - 16:45

   (UTC - 07:00)
   FTu5J.2

   Topological Mode-Locked Laser With Intracavity Couplings

   Presenter: Christian Leefmans, California Institute of Technology, United States

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   We experimentally realize a topological actively mode-locked laser by coupling the pulses with intracavity delay lines. Our work reveals a new regime of nonlinear topological photonics and has potential applications to short-pulse lasers.Authors: Christian Leefmans, California Institute of Technology / Midya Parto, California Institute of Technology / James Williams, California Institute of Technology / Avik Dutt, Stanford University / Franco Nori, RIKEN / Alireza Marandi, California Institute of Technology
3. 16:45 - 17:00

   (UTC - 07:00)
   FTu5J.3

   Floquet Topological Quadrupole in Photonic Crystals Protected by Space-Time Symmetry

   Presenter: Jicheng Jin, Univeristy of Pennslyvania, United States

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   We present that a space-time screw symmetry can be preserved in periodically driven optical nonlinear materials. Such symmetry can protect a high-order topological phase, which is demonstrated with a photonic crystal.Authors: Jicheng Jin, Univeristy of Pennslyvania / Li He, Univeristy of Pennslyvania / Jian Lu, Univeristy of Pennslyvania / Eugene Mele, Univeristy of Pennslyvania / Bo Zhen, Univeristy of Pennslyvania
4. 17:00 - 17:15

   (UTC - 07:00)
   FTu5J.4

   Localization by Disordered Gauge Field

   Presenter: Shruti Saiji, University of Central Florida, CREOL, United States

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   We show that it is possible to induced Anderson localization in an optical lattice with no disorder in their couplings or index of refraction but by a disordered artificial gauge field generated by periodic driving.Authors: Shruti Saiji, University of Central Florida, CREOL / Konrad Tscherning, Max-Born-Institut / Lukas Maczewsky, University of Rostock / Alexander Szameit, University of Rostock / Armando Perez-Leija, Max-Born-Institut / Miguel Bandres, University of Central Florida, CREOL
5. 17:15 - 17:30

   (UTC - 07:00)
   FTu5J.5

   Nontrivial Corner States in Breathing Kagome Lattices With Bearded Edge Truncation

   Presenter: Limin Song, Nankai University, China

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   We report two types of distinct corner states in breathing Kagome lattices with bearded edge truncation. One type exists only in the topologically nontrivial regime, while the other preserves in both trivial and nontrivial regimes.Authors: Limin Song, Nankai University / Domenico Bongiovanni, Nankai University / Zhichan Hu, Nankai University / Shiqi Xia, Nankai University / Ziteng Wang, Nankai University / Liqin Tang, Nankai University / Daohong song, Nankai University / Roberto Morandotti, INRS / Zhigang Chen, San Francisco State University
6. 17:30 - 17:45

   (UTC - 07:00)
   FTu5J.6

   Exploring the Topological Phase With Quench Dynamics in a Frequency Synthetic Dimension

   Presenter: Luqi Yuan, Shanghai Jiao Tong University, China

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   We theoretically study the dynamical classification of topological phase in a frequency synthetic dimension constructed by modulated rings, where the holographic quench dynamics is proposed to explore the band evolution in only the time dimension.Authors: Danying Yu, Shanghai Jiao Tong University / Bo Peng, Shanghai Jiao Tong University / Xianfeng Chen, Shanghai Jiao Tong University / Xiong-Jun Liu, Peking University / Luqi Yuan, Shanghai Jiao Tong University
7. 17:45 - 18:00

   (UTC - 07:00)
   FTu5J.7

   Exotic Topological Edge-States and Bloch Oscillation Along the Frequency Dimension in Modulated Waveguide Arrays

   Presenter: Xiaoxiong Wu, Shanghai Jiao Tong University, China

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   We demonstrate exotic edge states in two-dimensional spatial-frequency space constructed by one-dimensional modulated waveguide arrays, which exhibits a distinct topological protected one-way transmission along spatial boundary, and Bloch oscillation along the frequency dimension.Authors: Xiaoxiong Wu, Shanghai Jiao Tong University / Luojia Wang, Shanghai Jiao Tong University / Guangzhen Li, Shanghai Jiao Tong University / Dali Cheng, Shanghai Jiao Tong University / Danying Yu, Shanghai Jiao Tong University / Yuanlin Zheng, Shanghai Jiao Tong University / Vladislav V. Yakovlev, Texas A&M University / Xianfeng Chen, Shanghai Jiao Tong University / Luqi Yuan, Shanghai Jiao Tong University

Structuring Light-Matter Interactions

1. 16:00 - 16:15

   (UTC - 07:00)
   STu5H.1

   Evolution of Optical Vortices From Deterministic to Random Fields

   Presenter: Mahdi Eshaghi, CREOL, United States

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   Upon interaction with inhomogeneous media, high-order optical vortices divide into canonical ones which diffuse away from the optical axis. We demonstrate how this dynamic process depends on both the topological charge and the interaction strength.Authors: Mahdi Eshaghi, CREOL / Cristian Hernando Acevedo, CREOL / Aristide Dogariu, CREOL
2. 16:15 - 16:30

   (UTC - 07:00)
   STu5H.2

   Sculpted Non-Paraxial Light Fields: From Customization to Application and Identification

   Presenter: Eileen Otte, University of Muenster, Germany

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   We present the customization of non-paraxial structured light fields of 3D polarization and their application for optical manipulation of zeolite-L nanocontainers. Unlocking its full potential, we identify invisible non-paraxial properties by a self-assembled monolayer.Authors: Eileen Otte, University of Muenster / Kemal Tekce, University of Muenster / Sebastian Lamping, University of Muenster / Mark L. Brongersma, Stanford University / Bart Jan Ravoo, University of Muenster / Cornelia Denz, University of Muenster
3. 16:30 - 17:00

   (UTC - 07:00)
   STu5H.3

   Internal Structuring of Semiconductors Using Intense Infrared Lasers

   Presenter: David Grojo, Aix-Marseiile University, France

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   Invited

   TBDAuthors: David Grojo, Aix-Marseiile University
4. 17:00 - 17:15

   (UTC - 07:00)
   STu5H.4

   Hypergrating for Focusing Vortex Beam BelowDiffraction Limit

   Presenter: Wenhao Li, Duke University, United States

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   Light with an orbital angular momentum can strongly modify optical transi-tion selection rules when beam size is reduced to subwavelength scale. We demonstrated amethod for focusing orbital angular momentum beams below the diffraction limit.Authors: Wenhao Li, Duke University / Evan Simmons, University of Massachusetts Lowel / Jacob LaMountain, University of Massachusetts Lowel / Viktor Podolskiy, University of Massachusetts Lowel / Natalia Litchinitser, Duke University
5. 17:15 - 17:30

   (UTC - 07:00)
   STu5H.5

   Femtosecond Laser-Induced Damage Threshold of Nematic Liquid Crystals at 1030 nm.

   Presenter: Loîc Ramousse, INPHYNI, France

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   The femtosecond laser-induced damage threshold of freely-suspended thin films of liquid crystals is investigated. The breakdown is found dominated by ionization at low repetition rate and by linear absorption at high repetition rate.Authors: Loîc Ramousse, INPHYNI / Gilles Cheriaux, INPHYNI / Cyrille Claudet, INPHYNI / Aurélie Jullien, INPHYNI
6. 17:30 - 17:45

   (UTC - 07:00)
   STu5H.6

   Axial Characterization of Ultrafast Optical Vortices in Nonlinear Regime

   Presenter: Milos Burger, University of Michigan, United States

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   Circular arrangements of laser filaments produced by vortical beams show promise for applications such as long-distance waveguiding. We examine the differences in linear and nonlinear propagation characteristics of beams with varying topological charge.Authors: Milos Burger, University of Michigan / John Nees, University of Michigan / Igor Jovanovic, University of Michigan
7. 17:45 - 18:00

   (UTC - 07:00)
   STu5H.7

   Spin/Orbit Conversion in Dichroic Spherulite for Optical Vector Vortices Generation

   Presenter: Yuanfeng Liu, Tsinghua University, China

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   Using a naturally existed circular anisotropy from spherulites, we obtain cylindrical vector optical vortex beams through the spin/orbit conversion. This strategy provides promising opportunities for the spherulite applications in structured light fields.Authors: Yuanfeng Liu, Tsinghua University / Le Zhou, Tsinghua University / Yongzheng Wen, Tsinghua University / Yang Shen, Tsinghua University / Jingbo Sun, Tsinghua University / Ji Zhou, Tsinghua University

Advanced High Intensity, Ultrashort Laser Systems

1. 16:00 - 16:15

   (UTC - 07:00)
   STu5N.1

   Combination of Terawatt Yb Laser and TiSa Laser With fs-Level Synchronization for Time-Resolved Experiments

   Presenter: Antoine Courjaud, Amplitude Laser, France

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   We report on a 1.2 Terawatt Ytterbium laser delivering 515mJ with 435fs pulse duration at 50Hz repetition rate, electronically synchronized with a 4mJ 100fs 1kHz Ti:Sa laser with as low jitter as 3.2fs rmsAuthors: Antoine Courjaud, Amplitude Laser / Côme Jacob, Amplitude Laser / Arnaud Mortz, Amplitude Laser / Emilien Gontier, Amplitude Laser / Olga Lozan, Amplitude Laser / Luc Vigroux, Amplitude Laser
2. 16:15 - 16:30

   (UTC - 07:00)
   STu5N.2

   Long-Term Stable OPCPA-Based Seed Laser for High Intensity Ti:Sapphire LPA Drivers

   Presenter: Timo Eichner, Hamburg University / CFEL, Germany

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   Ultrafast laser pulses featuring both, high spatio-temporal beam quality and excellent long-term stability are crucial for many applications. Here, we present a collinear OPCPA-based seed laser for 100TW-class laser systems, that has been designed to fulfil the particularly strict demands presented by laser-plasma acceleration.Authors: Timo Eichner, Hamburg University / CFEL / Thomas Hülsenbusch, Deutsches Elektronen-Synchrotron DESY / Julian Dirkwinkel, Deutsches Elektronen-Synchrotron DESY / Tino Lang, Deutsches Elektronen-Synchrotron DESY / Lutz Winkelmann, Deutsches Elektronen-Synchrotron DESY / Guido Palmer, Deutsches Elektronen-Synchrotron DESY / Andreas Maier, Deutsches Elektronen-Synchrotron DESY
3. 16:30 - 16:45

   (UTC - 07:00)
   STu5N.3

   Fiber Laser Front-Ends for Next-Generation X-Ray Free-Electron Laser and Ultrafast Electron Diffraction Facilities

   Presenter: Christoph Mahnke, DESY, Germany

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   We present recent developments of Yb-fiber laser front-ends tailored for a variety of special needs for high repetition rate accelerator driven FEL and UED facilities.Authors: Christoph Mahnke, DESY / Meng Liu, DESY / Yi Hua, DESY / Önder Akcaalan, DESY / Chen Li, DESY / Yuxuan Ma, DESY / Henrik Tünnermann, DESY / Caterina Vidoli, DESY / Uwe Große-Wortmann, DESY / John Darvill, DESY / Hamed Tavakol, DESY / Ara Choudhuri, DESY / Christian Mohr, DESY / Christoph Heyl, DESY / Lutz Winkelmann, DESY / Ingmar Hartl, DESY
4. 16:45 - 17:00

   (UTC - 07:00)
   STu5N.4

   High Average Power Ti:Sa Amplifier for High Energy High Repetition Rate Laser Plasma Accelerator

   Presenter: Sandrine Ricaud, THALES LAS FRANCE, France

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   Modern laser plasma accelerators require combination of high peak power and high average power from the laser. Ti:Sa CPA remaining the best technology for such purpose a high average power Ti:Sa amplifier has been developedAuthors: Sandrine Ricaud, THALES LAS FRANCE / ALAIN PELLEGRINA, THALES LAS FRANCE / Antoine Jeandet, THALES LAS FRANCE / Loic Lavenu, THALES LAS FRANCE / Christophe Simon-Boisson, THALES LAS FRANCE / Aline Vernier, Laboratoire d'Optique Appliquée / Alessandro Flacco, Laboratoire d'Optique Appliquée / Jérôme Faure, Laboratoire d'Optique Appliquée
5. 17:00 - 17:15

   (UTC - 07:00)
   STu5N.5

   Demonstration of a Cross-Thin-Slab Amplifier for High Peak and Average Power Ti:Sa Laser Systems

   Presenter: Vladimir Chvykov, Colorado State University, United States

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   Room temperature Ti:Sa amplifier of a cross pump-seed geometry was developed to generate 25mJ at 1 kHz, pumped by 100 mJ from Yb:YAG laser. Crystal geometry allows to maintain the crystal temperature at 300 C.Authors: Vladimir Chvykov, Colorado State University / Han Chi, Colorado State University / Yong Wang, Colorado State University / Mark Berrill, Oak Ridge National Laboratory / Jorge Rocca, Colorado State University
6. 17:15 - 17:30

   (UTC - 07:00)
   STu5N.6

   High Energy, All-Polarization Maintaining Fiber Optical Parametric Chirped-Pulse Amplification at 1053 nm

   Presenter: LAFARGUE Léa, Commissariat à l’Énergie Atomique et aux Énergies Alternatives, Centre d’Études Scientifiques et Techniques d’Aquitaine, France

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   We experimentally demonstrate the amplification of ultrashort pulses up to µJ level at 1053nm in an all-polarization maintaining FOPCPA system. This high energy level originates from a parametric process in a specially designed hybrid fiber.Authors: LAFARGUE Léa, Commissariat à l’Énergie Atomique et aux Énergies Alternatives, Centre d’Études Scientifiques et Techniques d’Aquitaine / Florent SCOL, Commissariat à l’Énergie Atomique et aux Énergies Alternatives, Centre d’Études Scientifiques et Techniques d’Aquitaine / olivier vanvincq, Univ. Lille, CNRS, UMR 8523 - PhLAM - Physique des Lasers Atomes et Molécules / Géraud Bouwmans, Univ. Lille, CNRS, UMR 8523 - PhLAM - Physique des Lasers Atomes et Molécules / Emmanuel HUGONNOT, Commissariat à l’Énergie Atomique et aux Énergies Alternatives, Centre d’Études Scientifiques et Techniques d’Aquitaine
7. 17:30 - 18:00

   (UTC - 07:00)
   STu5N.7

   Self-Seeded XFEL for Science Applications

   Presenter: Heung-Sik Kang, Pohang Accelerator laboratory, Korea (the Republic of)

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   Invited

   PAL-XFEL achieved the highest spectral intensity of XFEL using the self-seeding scheme. We demonstrated that the self-seeded FEL with higher reproducibility and cleaner spectrum enables a superior multiplicity of data to the SASE FEL for the serial femtosecond crystallography. Time-resolved X-ray absorption spectroscopy using the self-seeded FEL is under study.Authors: Heung-Sik Kang, Pohang Accelerator laboratory / Inhyuk Nam, Pohang Accelerator laboratory / Chang-Ki Min, Pohang Accelerator laboratory / Rory Ma, Pohang Accelerator laboratory

Vertical (PCSELs, VCSELs) and Topological Lasers

1. 16:00 - 16:30

   (UTC - 07:00)
   STu5E.1

   Smart Photonic Crystal Lasers

   Presenter: Menaka Zoysa, Kyoto University, Japan

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   Invited

   We demonstrate a neural-network-assisted smart photonic-crystal laser whose beam pattern is manipulated via deliberate control of the injection current profile. Our work paves the way toward a new generation of on-demand controllable laser sources.Authors: Menaka Zoysa, Kyoto University / Susumu Noda, Kyoto University
2. 16:30 - 16:45

   (UTC - 07:00)
   STu5E.2

   Generation of Tunable, Picosecond Pulses From a MEMS- VCSEL

   Presenter: Elise Uyehara, Massachusetts Institute of Technology, United States

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   We demonstrate sub-170ps pulse generation from electrically gain-switched MEMS-VCSELs that are continuously tunable from 833-848nm. This compact, tunable picosecond pulse source is well-suited to optical coherence tomography, high resolution laser spectroscopy and light ranging applications.Authors: Elise Uyehara, Massachusetts Institute of Technology / Rajeev Ram, Massachusetts Institute of Technology / Christopher Burgner, Praevium Research / Vijay Jayaraman, Praevium Research
3. 16:45 - 17:00

   (UTC - 07:00)
   STu5E.3

   GaN Coupled Microring Lasers: Towards a Topological Laser Array

   Presenter: Shinji Tohi, Technion, Israel

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   We demonstrate a MOPA GaN system, a microring DFB laser coupled to another microring laser. Both rings lase in a single mode, establishing a building block towards a topological laser array in GaN.Authors: Shinji Tohi, Technion / Gal Harari, Technion / Takumi Ito, Nichia Corporation / Takashi Mukai, Nichia Corporation / Mordechai Segev, Technion
4. 17:00 - 17:15

   (UTC - 07:00)
   STu5E.4

   Imaging Biophotonic Lasing Network in Optical Microresonators

   Presenter: YU-CHENG CHEN, Nanyang Technological University, Singapore

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   The concept of biophotonic lasing network is demonstrated by confining self-assembled amyloid fibril network in a Fabry-Perot cavity. Complex lasing dynamics were interpreted into a graph, revealing the optical connection in biological network.Authors: Chaoyang Gong, Nanyang Technological University / YU-CHENG CHEN, Nanyang Technological University
5. 17:15 - 17:30

   (UTC - 07:00)
   STu5E.5

   Attachable 1D Photonic Crystal Laser Thin-Film for Strain Sensing

   Presenter: Tsan-Wen Lu, National Yang Ming Chiao Tung University, Taiwan

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   We demonstrate a photonic crystal laser embedded in a polymeric thin film, which can attach to the object's surface and show significant wavelength responses in bending, pressing, and gas pressure sensing via nanoclamps with strain-shaping.Authors: Tsan-Wen Lu, National Yang Ming Chiao Tung University / Zhen-Yu Wang, National Yang Ming Chiao Tung University / Po-Tsung Lee, National Yang Ming Chiao Tung University
6. 17:30 - 17:45

   (UTC - 07:00)
   STu5E.6

   Single-Mode 1060nm Bottom Emitting Metal Aperture VCSEL Array for Co-Packaged Optics

   Presenter: Hameeda Ragab, Tokyo institute of technology, Japan

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   We present a bottom emitting 1060nm intracavity metal-aperture VCSELs array for copacked optics. The metal-aperture provides the modulation bandwidth-enhancement and singlemode operation. We demonstrated 60Gbps PAM4 and 46Gbps NRZ for 16-ch bottom emitting arrayAuthors: Hameeda Ragab, Tokyo institute of technology / XIaodong Gu, Tokyo institute of technology / Ahmed Hassan, Tokyo institute of technology / Satoshi Shinada, National Institute of Information and Communications Technology / Moustafa Ahmed, Minia university / Fumio Koyama, Tokyo institute of technology
7. 17:45 - 18:00

   (UTC - 07:00)
   STu5E.7

   Electrically-Driven 2D Multi-Beam Steering With Large Field of View by Using VCSEL Scanner Array

   Presenter: Ruixiao Li, Tokyo Institute of Technology, Japan

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   We demonstrate electrically driven 2D beam scanner for solid-state LiDARs by fabricating VCSEL scanner array and using simply stacked optics. A large field of view of 70°×45° and record resolution of 33,000 were realized.Authors: Ruixiao Li, Tokyo Institute of Technology / Shanting Hu, Tokyo Institute of Technology / XIaodong Gu, Tokyo Institute of Technology / Satoshi Shinada, National Institute of Information and Communications Technology / Fumio Koyama, Tokyo Institute of Technology