Schedule

Charge transport in GaAs/InGaAs nanowires is studied using high-field terahertz pulses. With increasing terahertz field, the plasmon resonance redshifts and loses its spectral weight. The results provide evidence for inhomogeneous intervalley scattering across the nanowire.Authors: Rakesh Rana, Helmholtz-Zentrum Dresden-Rossendorf / Leila Balaghi, Helmholtz-Zentrum Dresden-Rossendorf / Ivan Fotev, Helmholtz-Zentrum Dresden-Rossendorf / Harald Schneider, Helmholtz-Zentrum Dresden-Rossendorf / Manfred Helm, Helmholtz-Zentrum Dresden-Rossendorf / Emmanouil Dimakis, Helmholtz-Zentrum Dresden-Rossendorf / Alexej Pashkin, Helmholtz-Zentrum Dresden-Rossendorf

Discrete-time quantum walks (QWs) are versatile platforms in quantum information. In this work we engineer QWs encoded in the angular momentum of single-photon states, to transfer and accumulate entanglement between information carriers of different dimensions.Authors: Taira Giordani, Univ degli Studi di Roma La Sapienza / Luca Innocenti, Queen's University Belfast / Alessia Suprano, Univ degli Studi di Roma La Sapienza / Emanuele Polino, Univ degli Studi di Roma La Sapienza / Mauro Paternostro, Queen's University Belfast / Nicolò Spagnolo, Univ degli Studi di Roma La Sapienza / Fabio Sciarrino, Univ degli Studi di Roma La Sapienza / Alessandro Ferraro, Queen's University Belfast

We introduce a high-brightness and high-visibility source to generate and manipulate high-dimensional frequency-bin entangled photon pairs, using photonic circuit integrable components. We demonstrate, with this source, the antibunching effect in high-dimensional space.Authors: Kirthanaa Indumathi, Institut de Recherche FEMTO-ST / Thomas Daugey, Institut de Recherche FEMTO-ST / Amelie Piveteau, Institut de Recherche FEMTO-ST / Luca Furfaro, Institut de Recherche FEMTO-ST / mohamed Bourennane, Stockholm University / Jean-Marc Merolla, Institut de Recherche FEMTO-ST

We couple a supercontinuum with a distributed soliton spectrum into an ANDi fiber and demonstrate the generation of giant SPM waves by inter-pulse Raman scattering, which slowly red-shifts the total spectrum.Authors: Rasmus Hansen, DTU Photonics / Christian Petersen, DTU Photonics / Ole Bang, DTU Photonics

We experimentally, numerically and semi-analytically study the effect of the substrate on Kerker effect in ultra-thin nanodisk metasurface. A transfer matrix approach successfully explains the experimentally measured reflection dip of a metasurface on SiO2/Si substrate.Authors: Xia Zhang, Trinity College Dublin, Ireland

We report new methods to control the soliton generation in ring microresonators via the soliton blockade and symmetry breaking in the bidirectionally pumped and coupled ring systems.Authors: Zhiwei Fan, University of Bath / Danila Puzyrev, University of Bath / Magnus Johansson, Linköping University / Dmitry Skryabin, University of Bath

We demonstrate structural colors with gamut exceeding the red green and blue (RGB) spectrum, on inexpensive, metal-free, and thermal resistant structures with resolution of 127000 dots per inches (DPI) on 4-inch wafers beyond.Authors: Ning Li, KAUST University / Andrea Fratalocchi, KAUST University

We propose a dynamic control of plasmonic colors by using MEMS (micro electro mechanical system) cantilevers. The nano hole structures provide plasmonic colors, while the MEMS cantilevers are built on top to switch the colors.Authors: Zhengli Han, The Hebrew University of Jerusalem / Christian Frydendahl, The Hebrew University of Jerusalem / Noa Mazurski, The Hebrew University of Jerusalem / Uriel Levy, The Hebrew University of Jerusalem

We investigate theoretically the physical mechanisms that contribute to the vulnerability of highly entangled two-photon edge states propagating in topological insulator photonic lattices. We present clear guidelines for maximizing entanglement without sacrificing topological protection.Authors: Armando Leija, Max Born Institute / Konrad Tschernig, Max Born Institute / Kurt Busch, Max Born Institute

In this work, we present a femtosecond, fast tunable non-collinear optical parametric oscillator (NOPO) pumped by the third harmonic of a Yb-fiber laser. The NOPO covers nearly the complete visible spectral range from 440-720 nm.Authors: Robin Mevert, Institute of Quantum Optics / Yuliya Binhammer, Institute of Quantum Optics / Christian Dietrich, Institute of Quantum Optics / José Andrade, Institute of Quantum Optics / Luise Beichert, Institute of Quantum Optics / Thomas Binhammer, neoLase GmbH / Jintao fan, Institute of Quantum Optics / Uwe Morgner, Institute of Quantum Optics

We present dispersive wave generation via intermodal cross-phase modulation. The interaction between a higher-order soliton in one transverse mode and an orthogonal, low-intensity mode causes the latter to radiate a dispersive wave.Authors: Maximilian Timmerkamp, University of Münster / Niklas Lüpken, University of Münster / Ramona Scheibinger, Leibniz Institute of Photonic Technology / Kay Schaarschmidt, Leibniz Institute of Photonic Technology / Markus Schmidt, Leibniz Institute of Photonic Technology / Klaus-J. Boller, University of Twente / Carsten Fallnich, University of Münster

We simulate a collinear two-color attosecond in situ measurement in argon and show that in situ techniques measure a variation of the electron group delay around the Cooper minimum.Authors: Graham Brown, University of Ottawa / Chunmei Zhang, University of Ottawa / Dong Hyuk Ko, University of Ottawa / Paul Corkum, University of Ottawa

An analytical theory for Fano resonance tuning in high-contrast gratings (HCGs) is developed, agreeing well with numerical modeling. We show HCG resonance tuning contains a cooperative contribution from two modes, different from single-mode microresonators.Authors: Hsin-Yu Yao, National Tsing Hua University / Tsing-Hua Her, The University of North Caroline at Charlotte

we demonstrate a metal-semiconductor-metal Schottky photodiode with asymmetric contact geometries based on multilayered 2D GeAs. Results show low dark current with stable, reproducible, and remarkable broadband spectral response from UV to optical communication wavelengths.Authors: Mahmoud Rasras, New York University Abu Dhabi / Ghada Dushaq, New York University Abu Dhabi

We show that eigenmode solvers can drastically shorten the development cycle of high finesse micro-Fabry-Pérot resonators. In conjunction with angstrom-level surface metrology, benchmarked simulation yields accurately predict eigenmode profiles and finesses in nonstandard resonator geometries.Authors: Yizhi Luo, Yale University / David Mason, Yale University / James Hendrie, University of Colorado Boulder / Naijun Jin, Yale University / Charles McLemore, University of Colorado Boulder / Prashanta Kharel, Yale University / Megan Kelleher, University of Colorado Boulder / Franklyn Quinlan, University of Colorado Boulder / Scott Diddams, University of Colorado Boulder / Peter Rakich, Yale University

We simulate the properties of atmospheric absorption for a free-space terahertz channel, and propose a method to enable physical-layer security by tuning the carrier frequency relative to a water vapor absorption line.Authors: Zhaoji Fang, Brown University / Daniel Mittleman, Brown University

Strong coupling was detected between single gold nano-bipyramids and monolayer MoS2. It was demonstrated that the coupling strength increases with nanoparticle size, even without increasing the number of excitons coupled into the system.Authors: Julia Lawless, Trinity College, University of Dublin / Calin Hrelescu, Trinity College, University of Dublin / Carolyn Elliott, Trinity College, University of Dublin / Lisanne Peters, Trinity College, University of Dublin / Niall McEvoy, Trinity College, University of Dublin / Louise Bradley, Trinity College, University of Dublin

We demonstrate a new and powerful approach for fabricating the parabolic SNAP structures with a femtosecond laser by tailoring the length of the inscribed lines to match the parabolic profile.Authors: Yu Qi, Huazhong Univ of Science and Technology / Zhen Zhang, Huazhong Univ of Science and Technology / Xuewen Shu, Huazhong Univ of Science and Technology

We investigate the possibility of frequency chirping of single mode diode laser locked to WGMR via driving current modulation. Maximum frequency deviation of LD locked to WGMR is measured as well as backward wave phase impact on LD linewidth.Authors: Artem Shitikov, Russian Quantum Center / Oleg Benderov, MIPT / Valery Lobanov, Russian Quantum Center / Nikita Kondratiev, Russian Quantum Center / German Antoshkin, MIPT / Igor Bilenko, Russian Quantum Center

In this work, beam steering angle of 65° is achieved on a 32-channel antennas phased array. We demonstrate a wide range of beam steering in visible band with a supercontinuum laser for the first time.Authors: Zhenmin Chen, Peng Cheng Laboratory (PCL) / hongjie wang, The Chinese University of Hong Kong (CUHK) / Caiming Sun, Peng Cheng Laboratory (PCL) / shupeng Deng, Peng Cheng Laboratory (PCL) / Xinke Tang, Peng Cheng Laboratory (PCL) / Long Zhang, Peng Cheng Laboratory (PCL) / Rui Jiang, Peng Cheng Laboratory (PCL) / Wu Shi, Peng Cheng Laboratory (PCL) / Zhen Chen, Peng Cheng Laboratory (PCL) / Zhongyi Li, Peng Cheng Laboratory (PCL) / Aidong Zhang, Peng Cheng Laboratory (PCL)

We present the theory and experimental demonstration for compact integrated spectral multiplexers utilizing fast adiabatic structures. The demonstrated 1x2 multiplexers effectively separate/combine broadband long-pass and short-pass signals, with compact footprint and low loss.Authors: Kazim Gorgulu, Koç University / Emir Magden, Koç University

We experimentally reconstruct high-quality images through dynamic media using as little as ~0.4 photons per pixel by proposed scalable method, which provides guidance on the real-time photon-limited time-varying scattering imaging applications such as in vivo bioimaging.Authors: Yiwei Sun, Shanghai Jiao Tong University / xiaoyan Wu, Shanghai Jiao Tong University / Jianhong Shi, Shanghai Jiao Tong University / Guihua Zeng, Shanghai Jiao Tong University

An ultrasensitive hybrid fiber grating sensor has been designed and functionalized with a novel nanocomposite material for selective detection of lead ions in water. Sensor performance is enhanced using an artificial neural network-based calibration process.Authors: SOUVIK GHOSH, City, University of London / Kasun Dissanayake, City, University of London / Tong Sun, City, University of London / Kenneth Grattan, City, University of London / B. M. Azizur Rahman, City, University of London

We demonstrate a LCOS-based waveshaper with reciprocating reflective double gratings as dispersive element. Arbitrary spectrum shaping can be obtained with the minimum filter bandwidth of 1.63 GHz and the bandwidth setting resolution of 240 MHz.Authors: Jingquan Xu, Huazhong Uni. of Sci. & Tech. / Kexin Chen, Huazhong Uni. of Sci. & Tech. / Yingying Qu, Huazhong Uni. of Sci. & Tech. / Chen Liu, Huazhong Uni. of Sci. & Tech. / Songnian FU, Guangdong University of Technology / Deming Liu, Huazhong Uni. of Sci. & Tech.

We demonstrate high-efficiency Silicon Nitride gratings for fiber-chip coupling in 850-900 nm. Experimentally measured peak efficiency is -4.44 dB and -3.4 dB for uniform and apodized gratings, respectively.Authors: Siddharth Nambiar, CeNSE, IISc / Avijit Chatterjee, CeNSE, IISc / Shankar Selvaraja, CeNSE, IISc

We numerically demonstrate that a hollow-core fiber with a cladding comprised with a first-ring with non-touching tubes surrounded by a photonic bandgap outer-cladding combines low confinement loss, low optical overlap with silica and single modedness.Authors: Kostiantyn VASKO, University of Limoges / Benoit Debord, University of Limoges / Lorenzo ROSA, University of Modena and Reggio Emilia / Luca Vincetti, University of Modena and Reggio Emilia / Fetah Benabid, University of Limoges

Here we present direct attachment of multiple optical fibers to PIC chips at arbitrary pitches. Each fiber is actively aligned and then “tacked” by directly transmitting UV light down the fiber itself.Authors: Gregory Bond, Rochester Institute of Technology / Thomas Palone, Rochester Institute of Technology / Matthew van Niekerk, Rochester Institute of Technology / John Serafini, Rochester Institute of Technology / Mario Ciminelli, Rochester Institute of Technology / Michael Fanto, Air Force Research Laboratory / Stefan Preble, Rochester Institute of Technology

Detection-time uncertainty due to chromatic dispersion in optical fibers decreases key rates of Quantum Key Distribution (QKD). Using nonlocal dispersion compensation, we demonstrate a 37-fold key rate increase of an entanglement-based QKD system.Authors: Sebastian Neumann, Austrian Academy of Sciences / Domenico Ribezzo, Austrian Academy of Sciences / Martin Bohmann, Austrian Academy of Sciences / Rupert Ursin, Austrian Academy of Sciences

An integrated-optic, evanescent-wave biosensor utilizing a multimode interferometric waveguide based on a Si3N4 rib-optical waveguide consisting of the Si/SiO2/Si3N4/SiO2 stacked structure was described. The changes in the index of an analyte greatly affect the location of interferometric patterns.Authors: Hongsik Jung, Hongik University

We present the “photonic hourglass” structure as a candidate for a highly efficient single-photon source design. We demonstrate a computed spontaneous emission β factor above 0.99, enabled by suppression of the background emission.Authors: Martin Arentoft Jacobsen, Technical University of Denmark / Benedek Gaál, Technical University of Denmark / Luca Vannucci, Technical University of Denmark / Niels Gregersen, Technical University of Denmark

We demonstrate a method to determine the volume fraction of gaseous isotopologues of methane 12CH4 and 13CH4 in a mixture from a Raman spectrum under spectral overlap and limited resolution.Authors: Vladimir Vitkin, ITMO University / Anton Kovalev, ITMO University / Konstantin Grigorenko, ITMO University / Valeriya Kurikova, ITMO University / Evgeny Popov, ITMO University / Pavel Loiko, CIMAP, Université de Caen Normandie

We experimentally compared the nonlinear saturation absorption characteristic of SESAM with LP01 and LP11 modes, and obtained a mode-locked laser enabling the oscillation of LP11 mode by using few-mode based SA.Authors: Si Lv, Shanghai University / Lin Teng, Shanghai University / Fan Shi, Nanjng University of Posts and Telecommunications / Yi Huang, Shanghai University / Xianglong Zeng, Shanghai University

This paper reported the experimental evidence of replica symmetry breaking in a random fiber laser incorporating nonlinear Brillouin gain and distributed Rayleigh random feedback.Authors: Jilin Zhang, Shanghai University / Zenghuan Qiu, Shanghai University / Zhelan Xiao, Shanghai University / Haoran Xie, Shanghai University / Yikun Jiang, Shanghai University / Fufei Pang, Shanghai University / Liang Zhang, Shanghai University

All-fiber femtosecond visible vortex beam generation is demonstrated by assembling nonlinear frequency conversion and mode selective coupler, which has found potential applications in super-resolution microscopic imaging, optical tweezers and Raman enhancement.Authors: xuan zhou, Shanghai university / Fan Shi, Nanjing University of Posts and Telecommunications / Jiafeng Lu, Shanghai university / Jie Zhu, Shanghai university / Xianglong Zeng, Shanghai university / Xiaomin Liu, Max Planck Institute for Polymer Research

We experimentally achieved stabilized Brillouin-induced fast light and superluminal propagation in kilometer-long optical fibers by introducing linearly polarized single-longitudinal-mode Stokes lasing resonance.Authors: Zhelan Xiao, Shanghai University / Zenghuan Qiu, Shanghai University / Jilin Zhang, Shanghai University / Haoran Xie, Shanghai University / Yikun Jiang, Shanghai University / Fufei Pang, Shanghai University / Liang Zhang, Shanghai University

We demonstrated spectral purification of random lasing emission in a Brillouin random fiber laser by employing a self-tracking dynamic fiber grating with unpumped Erbium doped fibers.Authors: Zenghuan Qiu, Shanghai university / Zhelan Xiao, Shanghai university / Jilin Zhang, Shanghai university / Haoran Xie, Shanghai university / Yikun Jiang, Shanghai university / Fufei Pang, Shanghai university / Liang Zhang, Shanghai university

We demonstrate a polarization beam splitter based on the use of subwavelength gratings on an augmented low index waveguide. The design provides <0.65 dB insertion loss and >25 dB extinction ratio with notable fabrication tolerance.Authors: Can Ozcan, University of Toronto / Mo Mojahedi, University of Toronto / J. Stewart Aitchison, University of Toronto

We systematically investigated the electrically-tunable valley polarization mechanism in monolayer MoTe2 by helicity-resolved photoluminescence and ultrafast pump-probe spectroscopy. We observed an ultra-long trion valley lifetime of over 600 ps, the longest for a 2D material.Authors: Qiyao Zhang, Tsinghua University / Hao Sun, Tsinghua University / Jiacheng Tang, Tsinghua University / Xingcan Dai, Tsinghua University / Zhen Wang, Tsinghua University / Cun-Zheng Ning, Tsinghua University

The design of polarity-switchable ultraviolet photodetector based on photovoltage-counteraction mechanism has been reported for the first time, which successfully distinguished different incident ultraviolet light and corresponding light intensity.Authors: Xin Liu, University of Science and Technology of China / Danhao Wang, University of Science and Technology of China / Huabin Yu, University of Science and Technology of China / Muhammad Memon, University of Science and Technology of China / Haiding Sun, University of Science and Technology of China

Chipping free is a dream for GaN Epi wafer sawing process. With current high complexity of wafer technology plus the drive for cost reduction by narrowing the saw street width, it is a challenge which requires huge effort for wafer sawing process to achieve chipping free process.Authors: Yao-Hsing Liu, National Chiao Tung University

Aiming at quantum enhancement in <1 µm, we demonstrate pulsed squeezing with a periodically poled stoichiometric LiTaO3 waveguide. We confirm anti-squeezing of >7 dB and vacuum squeezing of −1.19 dB at 844 nm.Authors: Zicong XU, the University of Tokyo / Kenichi Oguchi, the University of Tokyo / Yuki Sano, the University of Tokyo / Yoshitaka Taguchi, the University of Tokyo / Kazuhiro Katoh, the University of Tokyo / Yasuyuki Ozeki, the University of Tokyo

We present an iridescent retroreflective structural color based on micro concavity array. Inspired by the hummingbird's dynamic iridescent colors, the ultra-thin resonant layer is introduced for a self-grading structural coloration.Authors: Joo-Hwan Ko, GIST / Young Jin Yoo, GIST / Hyun Myung Kim, GIST / Young Min Song, GIST

We present an active-passive monolithic integration platform developed for the mid-infrared spectral range. The monolithically integrated quantum cascade lasers output optical power up to 550 mW in pulsed operation and 100 mW in continuous-wave operation.Authors: Ruijun Wang, ETH-Zurich / Zhixin Wang, ETH-Zurich / Emilio Gini, ETH-Zurich / Mattias Beck, ETH-Zurich / Jérôme Faist, ETH-Zurich

We demonstrate a low power all-optical switch in hybrid silicon resonator at room temperature, utilizing exceptionally high nonlinearity in solution integrated perovskite.Authors: Feifan Wang, University of Delaware / Lianfeng Zhao, Princeton University / Hwaseob Lee, University of Delaware / Yahui Xiao, University of Delaware / Tiantian Li, University of Delaware / Yixiu Wang, University of Delaware / Anishkumar Soman, University of Delaware / Thomas Kananen, University of Delaware / Xiaoyong Hu, Peking University / Barry P. Rand, Princeton University / Tingyi Gu, University of Delaware

Experimental demonstration of a practical multiple access scheme for VLC networking with both optical downlink and uplink. System normalized throughput and user access delay were measured to be feasible for bidirectional VLC networking applications scenario.Authors: Qiguan Chen, State Key Lab of Info. Photon. & Opt. Co / Min Zhang, State Key Lab of Info. Photon. & Opt. Co / Dahai Han, State Key Lab of Info. Photon. & Opt. Co / Zhiguo Zhang, State Key Lab of Info. Photon. & Opt. Co / Weishu Xu, State Key Lab of Info. Photon. & Opt. Co

We experimentally demonstrated an endlessly adaptive polarization controller based on a rotatable half-wave-plate on the lithium niobate platform. It is recommended to eliminate the carrier fading in a self-coherent communication system.Authors: Xuefeng Wang, Huazhong University of Sci & Technol / Yifan Zeng, Huazhong University of Sci & Technol / Ruolin Liao, Huazhong University of Sci & Technol / Li Shen, Huazhong University of Sci & Technol / Can Zhao, Huazhong University of Sci & Technol / Hao Wu, Huazhong University of Sci & Technol / Ming Tang, Huazhong University of Sci & Technol

We demonstrate the use of conditional generative adversarial network in restoring undersampled two-photon microscopic image. Image resolution and contrast can be substantially improved without noticeable artefacts with a 4-fold increase in imaging speed.Authors: KA YAN CHAN, The University of Hong Kong / Hongsen He, The University of Hong Kong / W. L. So, The University of Hong Kong / Hiu Ka Fok, The University of Hong Kong / Yu-Xuan Ren, The University of Hong Kong / Cora S. W. Lai, The University of Hong Kong / Kenneth K. Y. Wong, The University of Hong Kong

A fully-stabilized Er:fiber optical frequency comb referenced to a km-long fiber delay line is presented. The comb mode’s fractional frequency stability is at 10-12 level in 12.8 ms. The absolute linewidth is 587 Hz.Authors: Haochen Tian, Tianjin University / Fei Meng, National Institute of Metrology / Baike Lin, National Institute of Metrology / Shiying Cao, National Institute of Metrology / Zhanjun Fang, National Institute of Metrology / Youjian Song, Tianjin University / Ming-lie Hu, Tianjin University

We present a flash LiDAR system based on SPAD array and a proposed SVM combined accumulation technique was applied in the system to obviously improve the accuracy of depth image.Authors: Hualong Zhang, Peking University / Chuanchuan Yang, Peking University / Weizhen Yan, SenseFuture Technologies Co., ltd / Hao Chen, SenseFuture Technologies Co., ltd

We report enhancement of the brightness of hybrid perovskite light emitting transistors operated with independent pulsing of drain and gate bias voltages, attributed to compensation of space-charge effects and improved timing of carrier injection. © 2020 The AuthorsAuthors: Maciej Klein, Nanyang Technological University / Bryan Cheng, Nanyang Technological University / Li Jia, Nanyang Technological University / Annalisa Bruno, Nanyang Technological University / Cesare Soci, Nanyang Technological University

Au/GeSn grating structure was designed and adopted in GeSn photodetectors to enhance the optical absorption at 2 μm. A 3× improvement in responsivity to 0.386 A/W was achieved under TM-polarized illumination.Authors: Hao Zhou, Nanyang Technological University / Lin Zhang, Nanyang Technological University / Jinchao Tong, Nanyang Technological University / Shaoteng Wu, Nanyang Technological University / Qimiao Chen, Nanyang Technological University / Bongkwon Son, Nanyang Technological University / Dao Hua Zhang, Nanyang Technological University / Chuan Seng Tan, Nanyang Technological University

An FMCW (frequency-modulated continuous-wave) Lidar system based on cylindrical lens assisted two-dimensional beam steering is demonstrated. It is tested in ranging experiment for 1m-distance target detection with an FOV of 11.3°×8.1°.Authors: Chao Li, Shanghai Jiao Tong University / Xianyi Cao, Shanghai Jiao Tong University / Xinwan Li, Shanghai Jiao Tong University / Kan Wu, Shanghai Jiao Tong University / Jianping Chen, Shanghai Jiao Tong University

Patterning of topological insulator with mirror-symmetric forms of planar chiral design yields photogalvanic currents with opposite directions due to the interplay between the spin-momentum locking and polarization conversion in the pattern.Authors: Xinxing Sun, Nanyang Technological University / Giorgio Adamo, Nanyang Technological University / Mustafa Eginligil, Nanyang Technological University / Harish Krishnamoorthy, Nanyang Technological University / Nikolay Zheludev, Nanyang Technological University / Cesare Soci, Nanyang Technological University

We demonstrate ultra-flattened (less than 1ps/km.nm) and near-zero chromatic dispersions profiles which can be tailored with high freedom by using our proposed chalcogenide all-solid hybrid microstructure optical fibers.Authors: Hoang Tuan Tong, Toyota Technological Institute / Hoa Phuoc Trung Nguyen, Toyota Technological Institute / Ayaka Koumura, Toyota Technological Institute / Yasutake Ohishi, Toyota Technological Institute / Takenobu Suzuki, Toyota Technological Institute

By introducing a 1973 nm ASE seeded source as the external modulation element, we obtain a stable ~2.8 μm pulsed output from an Er3+:ZBLAN fiber laser without using any traditional intracavity pulse modulation devices.Authors: Jun Liu, Shenzhen University / Zhiqiang Fang, Shenzhen University

We demonstrate the reduction of the phase noise of a dissipative Kerr-microresonator soliton comb by putting a sideband generated from a pump CW laser to a microresonator, where the thermorefractive noise is mitigated.Authors: Naoya Kuse, Tokushima University / Kenji Nishimoto, Tokushima University / Takeshi Yasui, Tokushima University / Kaoru Minoshima, University of Electro-Communications

We studied the evolution of the two-color laser filament emitted THz pulse energy with the influences of the infrared pump energy and air dispersion. The THz modulation induced by additional relative phase is verified by the two-color spectral broadening due to the intensity dependent nonlinearity.Authors: Chen Gong, Osaka Univeristy / Iwao Kawayama, Osaka Univeristy / Hironaru Murakami, Osaka Univeristy / Takahiro Teramoto, Osaka Univeristy / Masayoshi Tonouchi, Osaka Univeristy

We demonstrate a CMOS compatible cantilever edge coupler design realizing efficient edge coupling for lithium niobate on insulator platform, experimental results show 1.7dB loss per facet.Authors: Lifeng Chen, Sun Yat-Sen University / Shengqian Gao, Sun Yat-Sen University / Xinlun Cai, Sun Yat-Sen University

We propose a coarse wavelength division (de)multiplexer by cascading wavelength filters. Assisted by topology optimization, four compact wavelength filters centered at different wavelengths are designed with less than -0.7 dB insertion loss, respectively.Authors: Simei Mao, Tsinghua University / Lirong Cheng, Tsinghua University / Caiyue Zhao, Tsinghua University / H. Y. Fu, Tsinghua University

We investigate the use of graphene plasmonic excitations for current-driven narrowband THz light emission. Device structures designed to promote critical coupling to free-space radiation are shown to be particularly effective for maximizing the output power.Authors: Yuyu Li, Boston Unviersity / Roberto Paiella, Boston Unviersity

We study the performance of SU(1,1) interferometer for precision phase measurement with double injection for parametric amplifiers and intensity measurement. This has the advantage of high phase probing intensity to improve absolute phase measurement sensitivity.Authors: Nan Huo, Tianjin University / Xueshi Guo, Tianjin University / Wen Zhao, Tianjin University / Yunxiao Zhang, Tianjin University / Xiaoying Li, Tianjin University / Zhe-Yu Ou, Tianjin University

We experimentally demonstrate that a linear dimension of a sub-wavelength nanoscale object can be measured with an accuracy better that λ/250 by a deep-learning-enabled examination of its diffraction pattern.Authors: Carolina Rendón-Barraza, Nanyang Technological University / Eng Aik Chan, Nanyang Technological University / Guanghui Yuan, Nanyang Technological University / Giorgio Adamo, Nanyang Technological University / Tanchao Pu, University of Southampton / Nikolay Zheludev, University of Southampton

An imaging-based cellular laser barcode was developed to analyze complex laser modes generated from single cell lasers. Different cell types from neural differentiate stem cells and sizes were investigated, paving a road for cellular phenotyping.Authors: Randall Ang, Nanyang Technological University / Zhen Qiao, Nanyang Technological University / YU-CHENG CHEN, Nanyang Technological University

A backward (6+1)×1 pump and signal combiner has been presented, which can combine >5kW pump power in brightness-loss operation mode. By optimizing the fabrication technology, the beam quality (M2) degradation has been controlled to be less than 0.1.Authors: Yu Liu, Research Center of Laser Fusion / Wenjie Wu, Research Center of Laser Fusion / Shan Huang, Research Center of Laser Fusion / Min Li, Research Center of Laser Fusion / Xi Feng, Research Center of Laser Fusion / Benjian Shen, Research Center of Laser Fusion / Huaqing Song, Research Center of Laser Fusion / Chun Zhang, Research Center of Laser Fusion / Lianghua Xie, Research Center of Laser Fusion / Haokun Li, Research Center of Laser Fusion / Rumao Tao, Research Center of Laser Fusion / Honghuan Lin, Research Center of Laser Fusion / Jianjun Wang, Research Center of Laser Fusion / Feng Jing, Research Center of Laser Fusion

We propose a photonic approach for the frequency-stabilized distribution of millimeter waves based on a self-referenced feedback control technique. The implementation is demonstrated over an optical fiber link of 10 km.Authors: Chunlong Yu, Beihang University / Zhuoyan An, Beihang University / Yihan Li, Beihang University / Hao Guo, Beihang University / Hancheng Tong, Beihang University / Zheng Zheng, Beihang University

The real-time buildup dynamics of multiple-soliton in spatiotemporal mode-locked fiber lasers are observed. The experimental results indicate that the dynamics vary for different transverse modes, and the multiple-soliton has spatiotemporal structure among the pulses.Authors: Kewei Liu, Tsinghua University / Xiaosheng Xiao, Beijing University of Posts and Telecommunications / Changxi Yang, Tsinghua University

Through phase matching optimization, an acoustically induced tunable in-fiber Mach-Zehnder interferometer less than 7 cm with 120 μs switching time based on a sandwich-like structure with uniform diameter was proposed and demonstrated in the experiment.Authors: Xiaofang Han, Nankai University / Caifen Li, Nankai University / Feng Gao, Nankai University / Xiao Dong, Nankai University / Guoquan Zhang, Nankai University / Jingjun Xu, Nankai University

The crucial factors governing the behavior of waveguide superlattice-based optical phased arrays are investigated. The superlattice-induced extra lobes can be minimized with sophisticated supercells while the inter-waveguide crosstalk still needs to be judiciously balanced.Authors: Lemeng Leng, Nanjing University / Yue Shao, Nanjing University / Guihan Wu, Nanjing University / Wei Jiang, Nanjing University

We use artificial neural networks (ANN) to predict the electromagnetic spatialmodes of nanophotonic structures, and propose their use to accelerate eigenmode expansion(EME) simulations. A new intuitive open-source EME solver is presented.Authors: Ian Hammond, Brigham Young University Provo / Ryan Camacho, Brigham Young University Provo / Alec Hammond, Georgia Institute of Technology

We propose quantum classifiers based on encoding classical data onto Fock states using tunable beam-splitter meshes, similar to the boson sampling architecture. We show that higher photon numbers enhance the expressive power of the circuit.Authors: Beng Yee Gan, Centre for Quantum Technologies / Daniel Leykam, Centre for Quantum Technologies / Dimitris Angelakis, Centre for Quantum Technologies

We numerically demonstrate spatial differentiation using circular gap-plasmon resonators arranged in a square lattice. The metasurface enables ultrafast analog computing and two-dimensional edge detection for image processing.Authors: Chenyuan XU, Wuhan National Lab for Optoelectronics / Béatrice Dagens, Centre de Nanosciences et de Nanotechnologies / Xinliang Zhang, Wuhan National Lab for Optoelectronics

We design electrically switchable all-weather smart windows to actively control portions of transmitted solar radiation. These window glasses outperform industry-standard commercial glasses. Such low-cost nanophotonic systems can significantly reduce global energy needs of air-conditioning systems.Authors: Ashish Chowdhary, IIT Guwahati / Debabrata Sikdar, IIT Guwahati

By optimizing fiber-optic nonlinearity and managing the damage threshold, we demonstrated tunable nJ-level femtosecond fiber sources, featuring a full pulse compressibility and low intensity noise, as a promising substitution of Ti:sapphire-based systems for imaging applications.Authors: LU-TING CHOU, National Yang-Ming University / Dong-Lin Zhong, National Yang-Ming University / Yu-Cheng Liu, National Yang-Ming University / Wei-Zhong Lin, National Yang-Ming University / Chao-Jin Chan, National Yang-Ming University / SHIH-HSUAN CHIA, National Yang-Ming University

Using a 24-MHz Cr:forsterite oscillator and the precisely controlled fiber-optic nonlinearity, we have simultaneously demonstrated sub-megawatt-peak-power femtosecond pulses at 1.3μm and compressible blue-shifted octave-spanning spectra.Authors: HAO-HSUAN HUNG, Institute of Biophotonics / LU-TING CHOU, Institute of Biophotonics / CHAO-HSU WEN, Institute of Biophotonics / Chao-Jin Chan, Institute of Biophotonics / SHIH-HSUAN CHIA, Institute of Biophotonics

The uniform ridge-waveguide grating couplers in TFLN are fabricated. All the structures in the device are monolithically patterned by electron-beam lithography. Single coupler exhibits an ultra-high coupling efficiency of -6.5 dB at 1546 nm.Authors: Sipan Yang, Department of Micro-nano Electronics, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University / Jinbin Xu, Center for Advanced Electronic Materials and Devices, Shanghai Jiao Tong University / Liying Wu, Center for Advanced Electronic Materials and Devices, Shanghai Jiao Tong University / Xueling Quan, Center for Advanced Electronic Materials and Devices, Shanghai Jiao Tong University / Xiulan Cheng, Department of Micro-nano Electronics, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University

Abstract: A reconfigurable topological valley photonic crystal (RTVPC) is proposed. By adjusting the refractive index of liquid crystals via an external voltage applied between two parallel metal plates, and the reconfigurable topological boundary state can be achieved.Authors: Yang Liu, Nankai University / Jiayi Wang, Nankai University / Faheem Hassan, Nankai University / Xinzheng Zhang, Nankai University / Jingjun Xu, Nankai University

We experimentally measured the radiation of optical phased arrays fabricated on SOI waveguide platform. By tuning the input laser wavelength, we realized one-dimension beam steering and observed standing-wave patterns in the waveguide antennas.Authors: Xiaomin Nie, Peng Cheng Laboratory / Caiming Sun, Peng Cheng Laboratory / hongjie wang, Institute of Robotics and Intelligent Manufacturing (IRIM), Chinese University of Hong Kong (CUHK) / Zhenmin Chen, Peng Cheng Laboratory / shupeng Deng, Peng Cheng Laboratory / Aidong Zhang, Peng Cheng Laboratory

We synchronize three mode-locked lasers and a microwave oscillator with fewfemtosecond residual jitter and drift using phase-locked loops with a single multi-color electrooptic sampling-based timing detector.Authors: Dohyeon Kwon, Korea Advanced Institute of Science and Technology / Chan-Gi Jeon, Korea Advanced Institute of Science and Technology / Dohyun Kim, Korea Advanced Institute of Science and Technology / Igju Jeon, Korea Advanced Institute of Science and Technology / Jungwon Kim, Korea Advanced Institute of Science and Technology

We demonstrated a new single-pixel imaging modality synthesizing light scanning and compressed sensing techniques. We optimized the image formation and reconstruction in an end-to-end training framework. Our method enables fast and high-quality compressed imaging.Authors: Kangning Zhang, UC Davis / Junjie Hu, UC Davis / Weijian Yang, UC Davis

Using dispersion management, opposite spectral shifts around the critical wavelength have been effectively removed. By operating the fiber-optic directional coupler based bio-sensor close to its critical wavelength, we report ultra-high refractive index sensitivity ∼13000 nm/RIU.Authors: Garima Bawa, IIT Kanpur / Saurabh Tripathi, IIT Kanpur

Using a 15-ps chirped pulse of an optical frequency comb, three-dimensional ultrafast imaging is demonstrated. We captured nm-level phase change associated with the shock-wave propagation in the LiNbO3 crystal by developed all-optical Hilbert transform method.Authors: Takashi Kato, The Univ. of Electro-Communications / Tamaki Morito, The Univ. of Electro-Communications / Kazuhiro Terada, The Univ. of Electro-Communications / Shintaro Kurata, The Univ. of Electro-Communications / Kaoru Minoshima, The Univ. of Electro-Communications

Deep leaning is implemented to retrieve the spectral phase profiles of ultrashort pulses by using spectrally truncated spectrograms for the first time (to our best knowledge).Authors: Wei-Cheng Chao, National Tsing Hua University / Shang-da Yang, National Tsing Hua University

We demonstrate near-infrared Tamm-Plasmon structure (TPs) with single material graded Germanium (Ge). The Ge-based TPs are fabricated with a porosity controllable process and show narrow-band resonance with high tunability.Authors: sohee kim, GIST / Joo-Hwan Ko, GIST / Young Jin Yoo, GIST / Young Min Song, GIST

A upgrade differential photoacoustic gas sensor was established with a modified non-local Euclidean medians algorithm. The result shows that gas detection sensitivity is 83 ppb with sevenfold improvement than the original photoacoustic setup.Authors: Le Zhang, Xidian University / Lixian Liu, Xidian University / Xueshi Zhang, Xidian University / Xukun Yin, Xidian University / Wei Li, Xidian University / Huiting Huan, Xidian University / Xiaopeng Shao, Xidian University

We demonstrate a label-free approach to monitoring the characteristics of stored red blood cells (RBCs), based on a large-scale single-cell morphological and biophysical profile of RBCs derived from high-throughput quantitative phase imaging flow cytometry (>10,000 cells/sec).Authors: Evelyn Hok Yee Cheung, The University of Hong Kong / Dickson M. D. Siu, The University of Hong Kong / Kelvin C. M. Lee, The University of Hong Kong / Kenneth K. Y. Wong, The University of Hong Kong / Kevin Tsia, The University of Hong Kong

We coherently lift the spin-degeneracy in CsPbBr3 nanocrystals by breaking time-reversal symmetry all-optically without external magnetic field. Huge polarization-selective lifting ~50meV observed, corresponding to Rabi energy >100meV, is highest ever reported in semiconductors at room-temperature.Authors: Megha Shrivastava, IISER Bhopal / Franziska Krieg, ETH Zürich / Maryna Bodnarchuk, ETH Zürich / Maksym Kovalenko, ETH Zürich / K. V. Adarsh, IISER Bhopal

We studied the ultrafast charge transfer in type II CsPbBr3/GO heterostructure in the strongly coupled regime to unlock their potential for perovskite solar cells and photodetectors. We demonstrate that GO act as potential hole-transport layer.Authors: Naresh Maurya, IISER Bhopal / Megha Shrivastava, IISER Bhopal / Ajay Poonia, IISER Bhopal / K. V. Adarsh, IISER Bhopal

We studied many-body dynamics in MoWS2single-crystal using time and energy-resolved reflection spectroscopy. We detected ultrafast bandgap renormalization, overwhelmed by trap-induced absorption (TIA) at longer timescale. Furthermore, non-decaying TIA caused formation of long-lived trapped exciton.Authors: Pravrati Taank, IISER Bhopal / K. V. Adarsh, IISER Bhopal

We perform a proof-of-principle experiment of High-dimensional QKD based on multiplexing of different orders of polarized structured photons with 4D-BB84 protocol. The secret key rate per sifted photon is estimated about 2.604 bits.Authors: Shuang Huang, Nankai University / Zhou Wang, Nankai University / Min Wang, Nankai University / Qian Tian, Nankai University / Chenghou Tu, Nankai University / Yongnan Li, Nankai University / Huitian Wang, Nanjing University

We have studied the dependence of concentration quenching of luminescence on the thickness d of dye-doped polymeric films (HITC:PMMA) and found a strong inhibition of the donor-acceptor energy transfer (concentration quenching) at small values of d.© 2021 The Authors.Authors: Sangeeta Rout, Norfolk State University / S Koutsares, Norfolk State University / D Courtwright, Norfolk State University / E. Mills, Virginia State University / A Shorter, Virginia State University / S. Prayakarao, Virginia State University / C Bonner, Norfolk State University / Mikhail Noginov, Norfolk State University

We report a novel robust training regimen for Diffractive Optical Networks that uses gradient based regularization terms in the training objective. Enhanced fault tolerance and noise immunity has been observed with models trained with this method.Authors: Soumyashree Panda, IIT Gandhinagar, India / Ravi Hegde, IIT Gandhinagar, India

Perfect absorptivity coupled with omnidirectionality is a design goal for many absorbers and emitters used in sensing. We report the existence of a fundamental tradeoff between these two quantities in thin metasurface based absorbers.Authors: Kunal Shastri, Cornell University / Francesco Monticone, Cornell University

A hydrodynamic model was developed to describe the formation of fs-laser induced periodic structures on Ge based on the thin film equation. The significant role of transient electric field was demonstrated for the first time.Authors: Zhixuan Li, Nankai University / Qiang Wu, Nankai University / Song Huang, Nankai University / Suyuan Wang, Civil Aviation University of China / Xiaoyang Hu, Nankai University / Xinda Jiang, Nankai University / Jianghong Yao, Nankai University / Jingjun Xu, Nankai University

We demonstrate the ultrafast dynamics of light-induced indirect-excitons (IDEs) in CsPbBr3/MoS2 heterostructure using transient absorption spectroscopy. Our investigations describe the charge-transfer from CsPbBr3 to MoS2 as a dominant mechanism of IDEs formation with picoseconds lifetime.Authors: RIYANKA KARMAKAR, IISER Bhopal, India / Dipankar Sen, Texas A&M University / Dipendranath Mandal, IISER Bhopal, India / K. V. Adarsh, IISER Bhopal, India

We demonstrate an integrated Raman laser based on Ge-Sb-S high-Q microresonators. Both single-mode and multimode operation are shown with a low lasing threshold of ~9 mW. Besides, cascaded Raman lasing is demonstrated.Authors: yufei huang, Sun Yat-Sen University / Jiaxin Zhao, Sun Yat-Sen University / Di Xia, Sun Yat-Sen University / Pingyang Zeng, Sun Yat-Sen University / Zelin Yang, Sun Yat-Sen University / Bin Zhang, Sun Yat-Sen University / Zhaohui Li, Sun Yat-Sen University

We report a stable single-wavelength filter-free random fiber laser based on a partial-reflection random fiber grating and achieve continuous wavelength tuning in the temperature range of 25 °C to 500 °C.Authors: Jiancheng Deng, Huazhong University of Science and Technology / Zuowei Xu, Huazhong University of Science and Technology / Xuewen Shu, Huazhong University of Science and Technology

We report a novel high-power single-wavelength random Raman fiber laser based on the localized random feedback provided by an ultrashort random fiber grating inscribed by a femtosecond laser.Authors: Jiancheng Deng, Huazhong Univ of Science and Technology / Ming Shen, Huazhong Univ of Science and Technology / Yanxin Li, Huazhong Univ of Science and Technology / Xuewen Shu, Huazhong Univ of Science and Technology

Infrared photon detection was realized based on nondegenerate two-photon absorption in silicon, where the mid-infrared pumping scheme significantly enhanced the sensitivity by eliminating background noises due to the harmonic excitation.Authors: Jianan Fang, East China Normal University / Yinqi Wang, East China Normal University / Ming Yan, East China Normal University / E Wu, East China Normal University / Kun Huang, East China Normal University / Heping Zeng, East China Normal University

An ultrasmall 4l wavelength multiplexer based on cascaded mosaic structure is proposed for dense optical interconnects for the first time. Direct-binary-search design shows the size can be drastically reduced, and is 1/20 of conventional one.Authors: Kodai Nakamura, Hokkaido University / Fujisawa Takeshi, Hokkaido University / Yusuke Sawada, Hokkaido University / Takanori Sato, Hokkaido University / Kunimasa Saitoh, Hokkaido University

We demonstrated high-quality-factor (Q) chalcogenide (Ge-Sb-S) microresonators with intrinsic Q of 1.9×10^6 through an improved fabrication process, which enables a low optical parametric oscillation (OPO) threshold of 3.5 mW.Authors: Pingyang Zeng, Sun Yat-Sen University / Jiayue Wu, Sun Yat-Sen University / Di Xia, Sun Yat-Sen University / Zelin Yang, Sun Yat-Sen University / Yaodong Sun, Sun Yat-Sen University / yufei huang, Sun Yat-Sen University / Jiaxin Zhao, Sun Yat-Sen University / Bin Zhang, Sun Yat-Sen University / Zhaohui Li, Sun Yat-Sen University

A technique of forming microfiber-based optical structures is proposed and experimentally demonstrated by one-step-tapering fiber preform, via which the fabricated device is featured with flexibility of design, reproducibility, and structural stability.Authors: Yanyan Zhi, Jinan University / Zixuan Liu, Jinan University / Lanlan Wang, Jinan University / Peiyuan Liu, Jinan University / Yuanpeng Li, Jinan University / Jie Li, Jinan University / Hao Liang, Jinan University / Bai-Ou Guan, Jinan University

We experimentally demonstrate a net capacity per wavelength of 1.23 Tb/s over a single silicon-on-insulator (SOI) multimode waveguide for optical interconnects employing on-chip mode-division multiplexing and 11×11 multiple-in-multiple-out (MIMO) digital signal processing.Authors: Hanzi Huang, Shanghai University / Yetian Huang, Shanghai University / Yu He, Shanghai Jiao Tong University / Haoshuo Chen, Nokia Bell Labs / Yong Zhang, Shanghai Jiao Tong University / Qianwu Zhang, Shanghai University / Nicolas Fontaine, Nokia Bell Labs / Roland Ryf, Nokia Bell Labs / Yingxiong Song, Shanghai University / Yikai Su, Shanghai Jiao Tong University

We experimentally demonstrate transverse Anderson localization of mid-infrared light by using a transversely disordered optical fiber made of chalcogenide glasses.Authors: Asuka Nakatani, Toyota Technological Institute / Tong Tuan, Toyota Technological Institute / Morio Matsumoto, Furukawa Denshi Co., Ltd. / Goichi Sakai, Furukawa Denshi Co., Ltd. / Takenobu Suzuki, Toyota Technological Institute / Yasutake Ohishi, Toyota Technological Institute

A scanless dispersion pre-compensation system for an ultrafast 25.6 waveform using multilevel 8-ary amplitude and 32-ary phase modulation was controlled and compensated by a 200 GHz optical frequency comb synthesizer with a 6.4 THz bandwidth.Authors: Nasrin Sultana, Hajee Mohammad Danesh Science and Technology University / Hiroaki Tada, Saitama University / Hayate Imai, Saitama University / Tatsutoshi shioda, Saitama University

We demonstrate a gain platform based on erbium-doped lithium niobate thin film for integrated waveguide amplifier and laser. Luminescence properties of the film were characterized and gain properties of optical waveguide were calculated.Authors: junmin xiang, Shanghai Jiao Tong University / minglu cai, Shanghai Jiao Tong University / Tieying Li, Shanghai Jiao Tong University / Zeyu Xiao, Shanghai Jiao Tong University / Kan Wu, Shanghai Jiao Tong University / Jianping Chen, Shanghai Jiao Tong University

We propose a multi-color method for the self-correction of air refractive index in moist air based on spectral interference of optical frequency comb. The relative correction stability of 4.3×10-7 is achieved.Authors: Shilin Xiong, Tsinghua University / Ruixue Zhang, Tsinghua University / Yue Wang, Tsinghua University / Siyu Zhou, Tsinghua University / Guanhao Wu, Tsinghua University

Widefield magnetometers based on nitrogen-vacancy defects in diamond are temporally static requiring few to several minutes of acquisition time. Here, employing per pixel frequency lock-in detection, we demonstrate widefield magnetic field images in few-seconds timescale.Authors: Madhur Parashar, Indian Institute of Technology Kharagpur / Dasika Shishir, Indian Institute of Technology Bombay / Alok Gokhale, Indian Institute of Technology Bombay / Anuj Bathla, Indian Institute of Technology Bombay / Sharba Bandyopadhyay, Indian Institute of Technology Kharagpur / Kasturi Saha, Indian Institute of Technology Bombay

Breathing dissipative solitons are automatically generated in a mode-locked fiber laser utilizing an evolutionary algorithm. Intelligent control over their parameters is realized including breathing periods, breathing ratios, and the number of breathers.Authors: Junsong Peng, East China Normal University / Heping Zeng, East China Normal University / XIUQI WU, East China Normal University

A fiber nonlinearity-insensitive OSNR monitoring technique was developed based on Fourier transform spectral analysis and shallow neural networks for function fitting. The results show monitoring errors are less than ±0.5dB for 3-channel 25GBaud PDM-QPSK signals.Authors: Zhuili Huang, Chongqing University / Ye Tian, Ningbo University / Xiaojing Long, Chongqing University / Chao Zhang, Beijing Institute of Spacecraft Environment Engineering / Yufei Liu, Chongqing University

The effect of Residual Mechanical Jitter (RMJ) has been analysed on the incoherent beam combination through various atmospheric turbulences. It is observed that the RMJ effect is more prominent for lower turbulence than higher turbulence.Authors: Sanchita Ghosh, IIIT hyderabad / Syed Azeemuddin, IIIT hyderabad / Jagannath Nayak, DRDO

A dual-stage-recognition network combined with the fiber optic DAS system is designed to realize a high accuracy intrusion pattern recognition in practical complicated environments.Authors: Tao He, Huazhong Univ of Science and Technology / Yijie Liu, Huazhong Univ of Science and Technology / Shixiong Zhang, Huazhong Univ of Science and Technology / Zhijun Yan, Huazhong Univ of Science and Technology / Deming Liu, Huazhong Univ of Science and Technology / Qizhen Sun, Huazhong Univ of Science and Technology

We compare the ultimate timing precision of time-of-flight measurements for rangefinders and LiDARs, based on short-pulse, sine-wave modulated, and long-pulse, and derive both random and systematic contributions to the total error, finding new general results.Authors: Silvano Donati, Universita degli Studi di Pavia / Giuseppe Martini, Universita degli Studi di Pavia / Wood-HI Cheng, NCHU / Zingway Pei, NCHU

We experimentally demonstrate a linearly polarized self-sweeping Ho-doped fiber laser with lasing near 2100 nm. The laser feature is wavelength tuning with range of 10 nm without any spectral filters.Authors: Anastasia Vladimirskaya, Institute of Automation and Electrometry / Lobach Ivan, Institute of Automation and Electrometry / Kablukov Sergey, Institute of Automation and Electrometry

A method for disturbance positioning in noisy environment is introduced. By the partitioning algorithm and a well-trained B-P neural network classifier, an average locating accuracy of 95% was demonstrated in the field test.Authors: Yijie Liu, Huazhong Univ of Science and Technology / Tao He, Huazhong Univ of Science and Technology / shixiong Zhang, Huazhong Univ of Science and Technology / Zhijun Yan, Huazhong Univ of Science and Technology / Deming Liu, Huazhong Univ of Science and Technology / Qizhen Sun, Huazhong Univ of Science and Technology

A photodetector based on the few-layered GaGeTe is demonstrated. It exhibits a broadband spectral response ranging from UV to NIR. A high responsivity of 1.5 A/W at 1310 nm and 750 A/W at 404 nm is measured. Furthermore, the devices is very stability under ambient condition.Authors: Srinivasa Tamalampudi, New York University Abu Dhabi / Mahmoud Rasras, New York University Abu Dhabi

We report on a simple nanopost single-photon source geometry based on a quantum dot in a mesa placed on a metal mirror. A remarkably large Purcell enhancement of 9 for the smallest structure is obtained.Authors: Yujing Wang, Technical University of Denmark / Andreas Østerkryger, Technical University of Denmark / Julien Claudon, CEA / Jean Gérard, CEA / Niels Gregersen, Technical University of Denmark

We investigate the optimisation of gate time period for single-photon detectors in an underwater quantum key distribution system. We explore the trade-off between received background and encoded photons to achieve minimum quantum bit error rate.Authors: Shuangfeng Jiang, The university of Edinburgh / Wasiu Popoola, The university of Edinburgh / Majid Safari, The university of Edinburgh

We experimentally demonstrate a simple approach to enhance second harmonic generation(SHG) from multilayer Gallium Selenide by encapsulating with an optimized thickness of low-index dielectric layers. 46-times enhancement is observed showing good agreement with nonlinear wave propagation simulation.Authors: RABINDRA BISWAS, INDIAN INSTITUTE OF SCIENCE, BANGALORE / Suman Chatterjee, INDIAN INSTITUTE OF SCIENCE, BANGALORE / Jayanta Deka, INDIAN INSTITUTE OF SCIENCE, BANGALORE / Advaitha Meenakshi, INDIAN INSTITUTE OF SCIENCE, BANGALORE / Kausik Majumdar, INDIAN INSTITUTE OF SCIENCE, BANGALORE / Varun Raghunathan, INDIAN INSTITUTE OF SCIENCE, BANGALORE

In linear optics, the transmission of (conventional) absorbers is identical in the forward and backward propagation directions. We have developed a nonlinear metamaterial providing intensity-dependent transmission asymmetry of up to 60% at microwatt power levels.Authors: Jinxiang Li, University of Southampton / Kevin MacDonald, University of Southampton / Nikolay Zheludev, University of Southampton

We demonstrated amplified spontaneous emission (ASE) enabled by evanescent gain at an interface between two adjacent dielectrics. The ASE wave is outcoupled to the high-index medium at the critical angle, enabling observation of spectacular emission rings.Authors: Joshua Asane, Norfolk State University / Md Golam Chowdhury, Norfolk State University / Kanij Khabir, Norfolk State University / Viktor Podolskiy, UMass Lowell / Mikhail Noginov, Norfolk State University

We demonstrate the existence of temporal solitons in a coherently driven laser, pumped below its lasing threshold. We study how the gain saturation impacts this new localized structure, both theoretically and experimentally.Authors: Nicolas Englebert, Universite libre de Bruxelles / Carlos Mas Arabí, Universite libre de Bruxelles / Pedro Parra-Rivas, Universite libre de Bruxelles / Simon-Pierre Gorza, Universite libre de Bruxelles / François Leo, Universite libre de Bruxelles

Self-pulsing is an ubiquitous phenomenon arising in coupled nonlinear systems. We here experimentally study the self-pulsing dynamics occurring in two coupled fiber ring resonators. Our results are supported and extended by a detailed bifurcation analysis.Authors: Jesús Yelo Sarrión, Université Libre de Bruxelles / Pedro Parra-Rivas, Université Libre de Bruxelles / Nicolas Englebert, Université Libre de Bruxelles / Carlos Mas Arabí, Université Libre de Bruxelles / François Leo, Université Libre de Bruxelles / Simon-Pierre Gorza, Université Libre de Bruxelles

A novel all-dielectric metasurface in silicon-on-insulator technology made of arrayed circular slots is proposed and theoretically studied. The metasurface exhibits quasi-bound states in the continuum resonances, having an ultra-high Q-factor up to 5x108Authors: Jose Francisco Algorri, Universidad de Cantabria / Francesco Dell Olio, Polytecnic University of Bari / Pablo Roldan, Universidad de Cantabria / Luis Rodriguez Cobo, Instituto de Salud Carlos III / Jose Miguel Lopez Higuera, Instituto de Investigación Sanitaria Valdecilla (IDIVAL) / Jose Manuel Sanchez-Pena, Universidad Carlos III de Madrid / Dimitrios Zografopoulos, Consiglio Nazionale delle Ricerche

We report on a 1-MHz repetition rate regenerative amplifier based on single Yb:CALGO crystal. It delivers 168 fs pulses with 20 W average power, centered at 1040 nm with a spectral bandwidth of 11 nm.Authors: geyang wang, Xidian University / Chuan Bai, Xidian University / Rui Xu, Xidian University / Li Zheng, Xidian University / Renchong Lv, Xidian University / Han Liu, Xidian University / Wenlong Tian, Xidian University / Dacheng Zhang, Xidian University / Jiangfeng Zhu, Xidian University / Zhiyi Wei, Chinese Academy of Sciences

Combined micro-photoluminescence and Raman spectroscopies were used to disentangle charge transfer, heat conduction and strain effects at WS2/Graphene interface through pump-power and temperature controls, allowing the first accurate determination of thermal conductance at the interface.Authors: Ruiling Zhang, Tsinghua university / Lin Gan, Tsinghua university / Danyang Zhang, Tsinghua university / Zhen Wang, Tsinghua university / Cun-Zheng Ning, Tsinghua university

We demonstrate 1X6 SiN echelle grating filters integrated with silicon nano-slab metal-semiconductor-metal photodetector for SWDM based short-reach interconnect. Echelle grating measures 4.3 dB insertion loss and 22 dB crosstalk. Photodetector records 0.59 A/W responsivity.Authors: Avijit Chatterjee, Indian Institute of Science Bangalore / Shankar Selvaraja, Indian Institute of Science Bangalore

Performance analysis of the copper telluride back-surface field-based CdTe thin-film solar cell is presented and has demonstrated that back-surface field contributes most to the CdTe solar cells efficiency enhancement and shows better stability with temperature.Authors: Sudarshan Jain, Malaviya National Institute of Technology, Jaipur / Vijay Janyani, Malaviya National Institute of Technology, Jaipur / Nikhil Deep Gupta, Visvesvaraya National Institute of Technology

Mach Zehnder modulator chirp is rigorously derived and its behavior versus bias is studied showing the modulator can exhibit a single rather than dual singularities as often expected. The model is verified using rigorous simulations.Authors: Lam Bui, Central Queensland University (CQUniversity)

We experimentally demonstrate a compact silicon optical phase shifter based on thermo-optic effect. The loss, power consumption, modulation bandwidth, and footprint are 0.77 dB, 3.1 mW/p, 38 kHz, and 45 × 45 μm2, respectively.Authors: Huaqing Qiu, Technical University of Denmark / Yong Liu, Technical University of Denmark / Chao Luan, Technical University of Denmark / Deming Kong, Technical University of Denmark / Xiansong Meng, Technical University of Denmark / Xiaowei Guan, Technical University of Denmark / Yunhong Ding, Technical University of Denmark / Hao Hu, Technical University of Denmark

We developed a femtosecond, mode-locked thulium-doped fiber laser to characterize fractal superconducting nanowire single-photon detectors at 1993 nm. The lowest timing jitter was 64.8 ps, which should be compared with 29.2 ps at 1560 nm.Authors: Liang Xu, Tianjin University / Yun Meng, Tianjin University / Kai Zou, Tianjin University / Nan Hu, Tianjin University / Yu Cai, Tianjin University / Samuel Gyger, Royal Institute of Technology (KTH) / Stephan Steinhauer, Royal Institute of Technology (KTH) / Val Zwiller, Royal Institute of Technology (KTH) / Xiaolong Hu, Tianjin University

We model the effect of saturation in absorption spectroscopy on quantum and classical probe performance. We derive a bound on the precision for each strategy, presenting an ideal quantum probe alongside methods to maximise precision classically.Authors: Jake Biele, University of Bristol / Joshua Silverstone, University of Bristol / Jonathan Matthews, University of Bristol / Euan Allen, University of Bristol

We report on lateral p-i-n GeSn waveguide photodetector on silicon substrates for complementary metal-oxide-semiconductor (CMOS)-compatible mid-infrared silicon photonics.Authors: Kuan-Chih Lin, National Chung Cheng University / Harshvardhan Kumar, National Chung Cheng University / Guo-En Chang, National Chung Cheng University

A low complexity diagonalized Kalman filter is proposed in this paper, which be qualified for joint equalization of RSOP (up to 10Mrad/s) and PMD (DGD=100ps) in presence of residual CD (300ps/nm).Authors: Qi Zhang, Beijing University of Posts and Telecomm / Nan Cui, Beijing University of Posts and Telecomm / Nannan Zhang, Beijing University of Posts and Telecomm / Xue Li, Beijing University of Posts and Telecomm / Leiya Hu, Beijing University of Posts and Telecomm / Lixia Xi, Beijing University of Posts and Telecomm / Xiaoguang Zhang, Beijing University of Posts and Telecomm

We present efficient fair sampling of ground-state manifold of XY spin Hamiltonian based on dissipatively coupled lasers that includes a massive parallelism. Our simulator could potentially be exploited to address various combinatorial optimization problems.Authors: Vishwa Pal, Indian Institute of Technology Ropar / Simon Mahler, Weizmann Institute of Science / Asher Friesem, Weizmann Institute of Science / Nir Davidson, Weizmann Institute of Science

Performance of a tunable comb source based on a silicon micro-ring assisted fiber laser with optical injection is characterized. By increasing the fiber cavity nonlinearity, wider frequency spacing up to 2 THz can be achieved.Authors: Cheng-Yuan Li, National Chiao Tung University / Chu Chen, National Chiao Tung University / Yi-Jang Hsu, National Chiao Tung University / Yin-Chieh Lai, National Chiao Tung University

Numerical simulation of five raised-cosine pulses with spectral separation of 0.1 nm with each other merged into a single compressed pulse (12.8 compression factor) of nearly 50% of total input energy in a dispersion decreasing nonlinear fiber is reported.Authors: Jiayao Huang, Peking University / Feng Ye, Peking University / Kaliyaperumal Nakkeeran, University of Aberdeen / P. K. A. Wai, The Hong Kong Polytechnic University / Qian Li, Peking University

A microstructure was designed to reduce the dislocations in the epitaxial GaN layer and improve electrical characteristics of HEMTs by using the patterned sapphire substrates technology. AlGaN/GaN HEMTs with the maximum drain current density increased from 308 mA/mm to 469 mA/mm were achieved.Authors: Cheng-Che Lee, National Taiwan University / Hsin-Jung Lee, National Taiwan University / Chien-Tsun Chan, National Taiwan University / Chieh-Hsiung Kuan, National Taiwan University

A compact, selective and embedded-system enabled photoacoustic sensor was established with self-designed modules which replaced laser controller, signal generator and Lock-in Amplifier. The results exhibit that normalized noise equivalent absorption (NNEA) coefficient achieves 2.12×10-8cm−1W/Hz−1/2.Authors: Xueshi Zhang, Xidian university / Lixian Liu, Xidian university / Le Zhang, Xidian university / Huiting Huan, Xidian university / Lei Dong, Xidian university / Ying Zhou, University of Electronic Science and Technology of China / Xiaopeng Shao, Xidian university

We detected thrombin protein on a ball resonator using optical backscatter reflectometer. The sensor was fabricated with CO2 laser splicing system, gold-sputtered, and functionalized for thrombin concentration dependency measurement. A linear trend was observed.Authors: Madina Shaimerdenova, Nazarbayev University / Takhmina Ayupova, Nazarbayev University / Marzhan Sypabekova, Nazarbayev University / Daniele Tosi, Nazarbayev University

We present a frequency modulated continuous wave (FMCW) radar system for non-contact heart rate monitoring during exercise. 90% accuracy of predictions are achieved by employing a modified MobileNetV3 model for regression analysis.Authors: King Leong Li, National Chiao Tung University / Shih-Hsuan Lai, National Chiao Tung University / Kyle Cheng, Wistron Corporation / Lindor Henrickson, National Chiao Tung University / Irwin Chen, Wistron Corporation / Vincent Wu, Wistron Corporation / Jyehong Chen, National Chiao Tung University

To bridge the pressure gap in heterogeneous catalysis and maximize the gain of operando information, we have combined PM-IRRAS with the imaging techniques SOR and PLIF and measured CO oxidation on a Pd(100) crystal.Authors: Lisa Rämisch, Lund university / Sabrina Gericke, Lund university / Sebastian Pfaff, Lund university / Edvin Lundgren, Lund university / Johan Zetterberg, Lund university

Simultaneous two photon polymerization/reduction of metal-polymer composite resin has been utilized for fabrication of microstructures with silver loadings as high as 20 wt%. Feature Sizes as small as 370 nm are demonstrated.Authors: Arun Jaiswal, IIt Bombay

Systematic study of conventional and femtosecond optical tweezers demonstrates an interplay of thermal and optical nonlinearity due to tight focusing. Specifically, Brownian motion of the 250nm radius trapped bead is measured using a quadrant photodiode.Authors: Ajitesh Singh, Indian Institute of Technology Kanpur / Soumendra Bandyopadhyay, Indian Institute of Technology Kanpur / Krishna Singh, Indian Institute of Technology Kanpur / Deepak Kumar, Indian Institute of Technology Kanpur / Debabrata Goswami, Indian Institute of Technology Kanpur

We present a linear interferometer with the assistance of an SU(1,1) interferometer, and achieve optimum quantum enhancement in the measurement precision of an arbitrary mixture of phase and amplitude modulation.Authors: Wei Du, East China Normal University / Zhe-Yu Ou, Indiana University-Purdue University Indianapolis

We theoretically investigate the Goos-Hanchen (GH) shifts on the surface of a topological insulator (TI) thin film in the presence of an externally applied magnetic field. The potential applications are in optical heterodyne and bio-sensors.Authors: Muzamil Shah, Lahore University of Management Sciences / Ali Akbar, Lahore University of Management Sciences / Mudasir Shah, Lahore University of Management Sciences

We demonstrated novel coupling phenomena between the topological cavity and valley modes in a terahertz on-chip waveguide. This work may provide insights for designs of topological photonic circuits and future applications in terahertz communications.Authors: hao xiong, Nankai University / Yao Lu, Nankai University / Qiang Wu, Nankai University / Xitan Xu, Nankai University / Ruobin Ma, Nankai University / Jingjun Xu, Nankai University

We propose and numerically demonstrate reconfigurable non-Hermitian plasmonic systems loaded by phase-change materials. This system enables switching of unique polarization properties around exceptional points resulting from PT transition induced by the material phase transition.Authors: Yuto Moritake, Tokyo Institute of Technology / Masaya Notomi, Tokyo Institute of Technology

We fabricated lithium niobate electro-optic metasurfaces and experimentally demonstrate the electro-optical phase modulation in LN metasurfaces using the optical heterodyne interference technique.Authors: Bofeng Gao, School of Physics and TEDA Applied Physics Institute, Nankai University / Mengxin Ren, School of Physics and TEDA Applied Physics Institute, Nankai University / Wei Wu, School of Physics and TEDA Applied Physics Institute, Nankai University / Jingjun Xu, School of Physics and TEDA Applied Physics Institute, Nankai University

We study the resonant frequency gap in the short-range order photonic system. The decay rate measurements are performed for an emitter embedded in these structures to validate the changes in the local density of states.Authors: SUDHIR KUMAR SAINI, IIT ROPAR / Rajesh Nair, IIT ROPAR

Electrically injected Parity-time (PT)-symmetric double ridge semiconductor laser lasing at 980 nm range is fabricated. The side mode suppression ratio (SMSR) of the spectrum of the laser is 37.97 dB at current of 91 mA.Authors: Ting Fu, CAS Institute of Semiconductors / Yufei Wang, CAS Institute of Semiconductors / Xuyan Zhou, CAS Institute of Semiconductors / Fangling Du, CAS Institute of Semiconductors / Jian Fan, CAS Institute of Semiconductors / Xueyou Wang, CAS Institute of Semiconductors / Jingxuan Chen, CAS Institute of Semiconductors / Aiyi Qi, CAS Institute of Semiconductors / Wan-hua Zheng, CAS Institute of Semiconductors

Here we show that discrete resonances, resulting from the quantum confinement of electronic wavefunctions in metallic nanostructures lead to a single strong composite resonance. It can be used for effective low-harmonic (for instance THz) generation.Authors: Ihar Babushkin, Leibniz Universität Hannover / Ayhan Demircan, Leibniz Universität Hannover / Liping Shi, Westlake University / Uwe Morgner, Leibniz Universität Hannover / Joachim Herrmann, Max-Born-Institut / Anton Husakou, Max-Born-Institut

We propose a reservoir computing system based on an optically pumped spin VCSEL subject to optical feedback and injection. It allows for parallel information processing and its rate reaches 10Gpbs, which outperforms most RC systems based on electrically pumped lasers.Authors: Yigong Yang, Soochow University / Pei Zhou, Soochow University / Nianqiang Li, Soochow University

We apply particle swarm optimization algorithm to optimize SPM-enabled spectral selection (SESS) and demonstrate highly efficient SESS which delivers MW peak-power femtosecond pulses with the wavelength tuning range exceeding one octave.Authors: Xincai Diao, Institute of physics CAS

We demonstrate that lithium niobate integrated photonics allows for reliable nonlinear applications under continuous femtosecond laser irradiation. Over >100 hours, a stable octave-spanning supercontinuum plus second-harmonic generation allows for direct self-referencing of a frequency comb.Authors: Ewelina Obrzud, CSEM / Hamed Sattari, CSEM / Thibault Voumard, CFEL / Gregory Choong, CSEM / Séverine Denis, CSEM / Jacopo Leo, CSEM / Thibault Wildi, CFEL / Olivier Dubochet, CSEM / Michel Despont, CSEM / Steve Lecomte, CSEM / Tobias Herr, CFEL / Amir Ghadimi, CSEM / Victor Brasch, CSEM

We demonstrate an all-fiber temperature sensor utilizing a cascaded Mach-Zehnder interferometer and ring resonator with MXene Ti3C2Tx, showing a high conversion efficiency of 0.159 π/oC and sensitivity of 1.03 nm/oC.Authors: Jiaxin Song, Beihang University / Meng Zhang, Beihang University / Q. Wu, Beihang University / Xiantao Jiang, Shenzhen University / Han Zhang, Shenzhen University / Zheng Zheng, Beihang University

We demonstrate gain without inversion towards lasing in a lossy medium, based on atomic interference in Rubidium vapor confined in microscale vapor cell. We also demonstrate the crucial role of miniaturization in achieving inversionless gain.Authors: Eliran Talker, Hebrew University of Jerusalem / Noa Mazurski, Hebrew University of Jerusalem / Barash Yefim, Hebrew University of Jerusalem / Uriel Levy, Hebrew University of Jerusalem

We propose a mechanism to harness the loss of phase change material (PCM) in a coupled high-Q resonators system for realizing a switching between on-chip electromagnetically induced transparency and critical coupling.Authors: Yaodong Sun, Sun Yat-Sen University / Guiying Hu, Sun Yat-Sen University / Di Xia, Sun Yat-Sen University / Pingyang Zeng, Sun Yat-Sen University / Yi Xu, Department of Electronic Engineering, College of Information Science and Technology, Jinan University / Bin Zhang, Sun Yat-Sen University / Zhaohui Li, Sun Yat-Sen University

A shingled sub-diffraction four-dimensional optical data storage approach is demonstrated.Authors: Jichao Gao, Huazhong University of Sci. and Technol. / Jingyu Zhang, Huazhong University of Sci. and Technol.

We report AI enabled spectral interferometry that infers the magnitude and phase of femtosecond pulses directly from single-shot interference patterns with a performance that is superior to the widely used Hilbert transform algorithm.Authors: Guoqing Pu, University of California, Los Angeles / Bahram Jalali, University of California, Los Angeles

We develop a technique to tailor modal group velocities in asymmetric heterogeneously coupled waveguides such that uncorrelated photon pairs can be generated directly. Design examples based on lithium niobate thin fifilm waveguides are provided.Authors: Xiangyan Ding, Harbin Institute of Technology / Jing Ma, Harbin Institute of Technology / Liying Tan, Harbin Institute of Technology / Amr Helmy, University of Toronto / Dongpeng Kang, Harbin Institute of Technology

We investigated the angular spectrum of bound state in the continuum (BIC) associated with topological charge and present an empirical tool to characterize BIC. While near-field confirms Bessel-Gaussian distribution, far-field is a perfect vortex.Authors: Pravin Vaity, DCMP & MS, TIFR, Mumbai / Venu gopal Achanta, DCMP & MS, TIFR, Mumbai

We demonstrate a dual-layer grating coupler as an efficient higher-order fiber mode multiplexer. Four channels from a fiber array can be multiplexed into four distinct TE-polarized modes in a few-mode fiber using the proposed multiplexer.Authors: Lirong Cheng, Tsinghua University / Simei Mao, Tsinghua University / Yixiang Hu, Tsinghua University / H. Y. Fu, Tsinghua University

Fabrication of hexagonal-lattice microstructured optical fiber (MOF) with Thulium-doped silica capillaries introduced in the first ring during stacking is presented for the first time which exhibits lower transmission loss compared to undoped MOF of similar design.Authors: Anirban Dhar, CSIR-CGCRI / Debjit Dutta, CSIR-CGCRI / Nilotpal Choudhury, CSIR-CGCRI / Debashri Ghosh, CSIR-CGCRI

We theoretically and experimentally demonstrate that spin-based Pancharatnam-Berry phase can be mapped to the first-order modal orbital rotation in a few mode fiber, which could be potentially applied to fiber sensing and mode management.Authors: Hongya Wang, WNLO，HUST / Liang Fang, WNLO，HUST / Xi Zhang, WNLO，HUST / Yize Liang, WNLO，HUST / Jian Wang, WNLO，HUST

In this paper, a dual-wavelength interval tunable and multi-wavelength switchable fiber laser is proposed and experimentally demonstrated by using a four-leaf clover suspended core fiber filter. The maximal tunable range of dual-wavelength is 41 nm.Authors: Zijuan Tang, Beijing Jiaotong University / Zhenggang Lian, Yangtze Optical Electronics Co.,Ltd / shuqin Lou, Beijing Jiaotong University

We proposed, theoretically analyzed, and experimentally demonstrated a new type of phononic integrated waveguides, which can be fabricated with an etchless process, for guiding and routing gigahertz mechanical waves on a chip.Authors: Ziyao Feng, The Chinese University of Hong Kong / Yang Liu, Tsinghua University / Lai Wang, Tsinghua University / Xiankai Sun, The Chinese University of Hong Kong

Localized plasmon resonance in metallic nanoparticles can enable polarization-dependent electric field enhancement. Semiconducting monolayers are used in conjunction with polarization-sensitive plasmonic structures, to maximize the field overlap and promote polarization-sensitive photon detection.Authors: Sreejyothi Sankararaman, Indian Institute of Technology Palakkad / Krishna Balasubramanian, Indian Institute of Technology Kanpur / Revathy Padmanabhan, Indian Institute of Technology Palakkad

In blood testing, knowing the ratio and throughput of blood cells is crucial to help doctors make a clinical diagnosis. Here we propose a deep transfer learning strategy for accurate cell detection for digital pathology.Authors: Zhenbo Ren, Northwestern Polytechnical University / Edmund Lam, University of Hong Kong / Jianlin Zhao, Northwestern Polytechnical University

We introduce a silicon photonics meta-detector for perfect 850-950nm band tunable absorption. Optimized <λ/4.5 thin designs of 10nm Si film wrapped by a laterally asymmetric dual SiO2-Air Si-SiO2 gratings cavity, fully absorbs light of >15µm penetration depth, in <25nm effectively thin Si absorber.Authors: Roy Avrahamy, Ben-Gurion University of the Negev / Benny Milgrom, The Jerusalem College of Technology / Moshe Zohar, Shamoon College of Engineering / Mark Auslender, Ben-Gurion University of the Negev / Tal David, Ben-Gurion University of the Negev / Amiel Ishaaya, Ben-Gurion University of the Negev

We demonstrate large-area superconducting nanowire single-photon detectors (SNSPDs) with combined high system detection efficiency and low system jitter operation. We describe the device architecture and discuss optimal readout setup for practical applications.Authors: Marco Colangelo, MIT / Andrew Beyer, Jet Propulsion Laboratory, California Institute of Technology / Boris Korzh, Jet Propulsion Laboratory, California Institute of Technology / Jason Allmaras, Jet Propulsion Laboratory, California Institute of Technology / Andrew Mueller, Jet Propulsion Laboratory, California Institute of Technology / Ryan Briggs, Jet Propulsion Laboratory, California Institute of Technology / Bruce Bumble, Jet Propulsion Laboratory, California Institute of Technology / Marcus Runyan, Jet Propulsion Laboratory, California Institute of Technology / Martin Stevens, National Institute of Standards and Technology / Adam McCaughan, National Institute of Standards and Technology / Di Zhu, MIT / Steve Smith, Cosmic Microwave Technology / Wolfgang Becker, Becker & Hickl GmbH / Lautaro Narváez, California Institute of Technology / Joshua Bienfang, National Institute of Standards and Technology / Simone Frasca, Jet Propulsion Laboratory, California Institute of Technology / Angel Velasco, Jet Propulsion Laboratory, California Institute of Technology / Edward Ramirez, Jet Propulsion Laboratory, California Institute of Technology / Alexander Walter, Jet Propulsion Laboratory, California Institute of Technology / Ekkehart Schmidt, Jet Propulsion Laboratory, California Institute of Technology / Emma Wollman, Jet Propulsion Laboratory, California Institute of Technology / Cristián Pena, Fermi National Accelerator Laboratory / Maria Spiropulu, California Institute of Technology / Richard Mirin, National Institute of Standards and Technology / Sae Woo Nam, National Institute of Standards and Technology / Karl Berggren, MIT / Matthew Shaw, Jet Propulsion Laboratory, California Institute of Technology

Shot-noise limited (SNL) detectors that can be integrated on several photonic platforms are essential for photonic quantum technologies. We integrated small-area Hot Electron Bolometers on SOI photonics, demonstrating SNL operations with only 1.1µW of input power.Authors: Francesco Martini, IFN-CNR / Sara Cibella, IFN-CNR / Alessandro Gaggero, IFN-CNR / Francesco Mattioli, IFN-CNR / Roberto Leoni, IFN-CNR

Scaling up quantum optics experiments requires on-chip reconfigurable quantum photonics, but their integration with detectors is a challenge. We show microelectromechanical reconfiguration of photonic circuits with on-chip superconducting single-photon detectors and demonstrate key applications.Authors: Samuel Gyger, KTH Royal Institute of Technology / Julien Zichi, KTH Royal Institute of Technology / Lucas Schweickert, KTH Royal Institute of Technology / Ali Elshaari, KTH Royal Institute of Technology / Stephan Steinhauer, KTH Royal Institute of Technology / Saimon Covre da Silva, Johannes Kepler University Linz / Armando Rastelli, Johannes Kepler University Linz / Val Zwiller, KTH Royal Institute of Technology / Klaus Jöns, KTH Royal Institute of Technology / Carlos Errando-Herranz, KTH Royal Institute of Technology

We propose and design superconducting nanowire photon-number-resolving detectors integrated with current reservoirs and yTron readouts, which can resolve up to 11 photons with high fidelity.Authors: Kai Zou, Tianjin University / Yun Meng, Tianjin University / Liang Xu, Tianjin University / Nan Hu, Tianjin University / Zhao Wang, Tianjin University / Xiaolong Hu, Tianjin University

We demonstrate quantum detector tomography of three different multiplexed SNSPDs, including a nonlinear detector of dimension >103. We use this to extract efficiency, dark-count and cross-talk probability from just four elements of the reconstructed POVMs.Authors: Timon Schapeler, Paderborn University / Jan Philipp Höpker, Paderborn University / Tim Bartley, Paderborn University

We show theoretically that lossy waveguide systems exhibit exceptional points,whose order is enhanced by the photon number resolved detection of their coherent excep-tional modes.Authors: Konrad Tschernig, Max-Born-Institut Berlin / Armando Perez-Leija, Max-Born-Institut Berlin / Kurt Busch, Humboldt-Universität zu Berlin

We characterize amorphous superconducting nanowire single photon detectors in magnetic fields of -6T to 6T, enabling integrated quantum devices. We report a substantial anomalous asymmetry in the field dependent response. © 2020 The Authors.Authors: Claire Marvinney, Oak Ridge National Laboratory / Yun-Yi Pai, Oak Ridge National Laboratory / Matthew Feldman, Vanderbilt University / Brian Lerner, Oak Ridge National Laboratory / Jie Zhang, Oak Ridge National Laboratory / Aaron Miller, Quantum Opus, LLC / Benjamin Lawrie, Oak Ridge National Laboratory

Switching off deep-strong light-matter coupling extremely non-adiabatically results in pronounced subcycle polarization oscillations. Our quantum model verifies that light-matter decoupling occurs more than an order of magnitude faster than the optical cycle duration.Authors: Maike Halbhuber, University of Regensburg / Joshua Mornhinweg, University of Regensburg / Viola Zeller, University of Regensburg / Cristiano Ciuti, Université de Paris / Dominique Bougeard, University of Regensburg / Christoph Lange, University of Regensburg / Rupert Huber, University of Regensburg

We present a new mechanism, the moiré effect, which leads to the appearance of dislocations in interference patterns. Remote interference dislocations in condensate of indirect excitons originate from the moiré effect and evidence exciton superfluidity.Authors: Jason Leonard, University of California at San Diego / Lunhui Hu, University of California at San Diego / Alexander High, University of California at San Diego / Aeron Hammack, University of California at San Diego / Congjun Wu, University of California at San Diego / Leonid Butov, University of California at San Diego / Kenneth Campman, University of California Santa Barbara / Arthur Gossard, University of California Santa Barbara

An abnormal super-linear (as opposed to typical linear) dependence of exciton emission intensity on pumping power was observed in an electrically-gated two-dimensional semiconductor, due to an exquisite interplay and mutual conversion between excitons and trions.Authors: Zhen Wang, Tsinghua University / Hao Sun, Tsinghua University / Qiyao Zhang, Tsinghua University / Jianxing Zhang, Tsinghua University / Jialu Xu, Tsinghua University / Jiacheng Tang, Tsinghua University / Cun-Zheng Ning, Tsinghua University

We present our method for creating first-principles models of two-dimensional (2D) terahertz spectra in solid materials. We demonstrate the accuracy of these models and their exciting potential in the growing field of nonlinear phononics.Authors: Lauren Davis, Brigham Young University / Brittany Knighton, Brigham Young University / Megan Nielson, Brigham Young University / Aldair Alejandro, Brigham Young University / Jeremy Johnson, Brigham Young University

We find that laser-driven free-electrons can be coherently-shaped to induce superradiance from many-body quantum emitters. This effect provides new capabilities in electron microscopy&spectroscopy, using high spatio-temporal resolution for coherent control and enhancement of cathodoluminescence.Authors: Ori Reinhardt, Technion / Aliaksei Horlach, Technion / Ido Kaminer, Technion

We report radiative Auger emission from singly-charged semiconductor quantum dots. The red-shifted satellite peaks show a single-photon nature and allow to determine single-particle splittings. Photon statistics of the emission are used to investigate single-electron dynamics.Authors: Clemens Spinnler, University of Basel / Matthias C. Löbl, University of Basel / Liang Zhai, University of Basel / Giang Nam Nguyen, University of Basel / Alisa Javadi, University of Basel / Julian Ritzmann, Ruhr-Universität Bochum / Leonardo Midolo, Niels Bohr Institute, University of Copenhagen / Peter Lodahl, Niels Bohr Institute, University of Copenhagen / Andreas Wieck, Ruhr-Universität Bochum / Arne Ludwig, Ruhr-Universität Bochum / Richard Warburton, University of Basel

Abstract not available.Authors: Qihua Xiong, Nanyang Technological University

We experimentally demonstrate controllable nontrivial complex-energy windings of a non-Hermitian band by implementing lattices in a frequency synthetic dimension using a modulated ring resonator and directly measure the complex band structures and winding numbers.Authors: Kai Wang, Stanford University / Avik Dutt, Stanford University / Ki Yang, Stanford University / Casey Wojcik, Stanford University / Jelena Vuckovic, Stanford University / Shanhui Fan, Stanford University

The non-Hermitian Aubry-André-Harper model exhibits a non-Hermitian phase transition that coincides with a localization transition. We provide a high-resolution measurement of the Butterfly spectrum and propose experiments to measure those transitions, using a photonic lattice.Authors: Mark Kremer, University of Rostock / Sebastian Weidemann, University of Rostock / Stefano Longhi, Politecnico di Milano and Istituto di Fotonica e Nanotecnologie del Consiglio Nazionale delle Ricerche / Martin Wimmer, Friedrich Schiller University Jena / Ulf Peschel, Friedrich Schiller University Jena / Alexander Szameit, University of Rostock

We theoretically propose and experimentally demonstrate quantized nonlinear Thouless pumping, despite non-uniform occupation of topological bands; the effect has no analogue in the linear domain. We observe the effect in arrays of coupled waveguides.Authors: Marius Juergensen, Pennsylvania State University / Sebabrata Mukherjee, Pennsylvania State University / Mikael Rechtsman, Pennsylvania State University

We study nonlinear effects in synthetic space photonic topological insulators. This nonlinearity is nonlocal in the synthetic dimensions. We study time-periodic solitons making a cyclotron-like motion in the synthetic space bulk.Authors: Liat Nemirovsky Levy, Technion / Moshe-Ishay Cohen, Technion / Mordechai segev, Technion

We present a theoretical proposal for a two-dimensional PT-symmetric topological insulator (TI) that supports two counter-propagating topologically protected boundary states and discuss ongoing experiments to confirm the theoretical predictions.Authors: Alexander Fritzsche, University of Würzburg / Mark Kremer, Universität Rostock / Lukas Maczewsky, Universität Rostock / Yogesh Joglekar, Indiana University-Purdue University Indianapolis (IUPUI) / Matthias Heinrich, Universität Rostock / Ronny Thomale, University of Würzburg / Alexander Szameit, Universität Rostock

Here, we report a non-adiabatic topological pumping that can adiabatically manipulate non-adiabatic Floquet topological states in periodically-driven systems. We propose and demonstrate in waveguide array simulations Thouless-like topological pumping of non-adiabatic topological systems<gdiv></gdiv>Authors: Yiming Pan, Technion / Alex Dikopoltsev, Technion / Eran Lustig, Technion / qingqing cheng, University of Shanghai for Science and Technology / Mordechai segev, Technion

We demonstrate dynamical topological phase transitions entirely driven by nonlinearity, which constitute an example of emergent nonlinear topological phenomena. These transitions in our system occur due to soliton interactions forming Su-Schrieffer-Heeger lattices.Authors: domenico bongiovanni, Nankai University / Dario Jukić, University of Zagreb / Zhichan Hu, Nankai University / Frane Lunic, University of Zagreb / yi Hu, Nankai University / Daohong Song, Nankai University / Roberto Morandotti, INRS / Zhigang Chen, Nankai University / Hrvoje Buljan, Nankai University

We show that non-local nonlinearity can induce a preferred direction for the flow of random photonic wavepackets even in periodic structures. The phenomenon is nonlinear hence the directional transport depends on the optical power.Authors: Moshe-Ishay Cohen, Technion Israel Institute of Technology / Yonatan Sharabi, Technion Israel Institute of Technology / Yaakov Lumer, Technion Israel Institute of Technology / Mordechai segev, Technion Israel Institute of Technology

We theoretically investigate chaotic and stable structures in coupled-resonator chains and synthetic frequency dimension influenced by Kerr nonlinearity, thereby bringing insights in the emerging field of soliton generation in chains and lattices of high-Q resonators.Authors: Aleksandr Tusnin, EPFL / Alexey Tikan, EPFL / Tobias Kippenberg, EPFL

We report on the observation of quantum confined stark effect (QCSE) in CdSe/CdS core/shell quantum dots (QDs) directly driven by an intense THz field, generated in the organic crystal DAST, which is pumped with multi-millijoule mid-IR pulses.Authors: Claudia Gollner, TU Wien / Rokas Jutas, TU Wien / Dmitry Dirin, Institute of Inorganic Chemistry, ETH Zurich / Simon Boehme, Institute of Inorganic Chemistry, ETH Zurich / Andrius Baltuska, TU Wien / Maksym Kovalenko, Institute of Inorganic Chemistry, ETH Zurich / Audrius Pugzlys, TU Wien

We propose a model for understanding dark solitons formation dynamics in self-injection-locking laser-resonator systems using dynamical instabilities and domain walls. Snapshots of solitons are captured with dual-comb imaging techniques and validate the model.Authors: Heming Wang, California Institute of Technology / Boqiang Shen, California Institute of Technology / Chengying Bao, California Institute of Technology / Warren Jin, University of California Santa Barbara / Lin Chang, University of California Santa Barbara / Mark Leal, University of California Santa Barbara / Avi Feshali, Anello Photonics / Mario Paniccia, Anello Photonics / John Bowers, University of California Santa Barbara / Kerry Vahala, California Institute of Technology

We introduce nonlinear near-field optical microscopy (NNOM), capable of real-time evanescent wave imaging by nonlinear wave mixing. Using NNOM, we exhibit phase-resolved polarization- and spin-sensitive near-field mappings of plasmonic patterns using only standard optical componentsAuthors: jacob FR, Technion / Kobi Cohen, Technion / Jacob Kher-alden, Technion / Shimon Dolev, Technion / Shai Tsesses, Technion / Guy Bartal, Technion

We report generation of coherent octave-spanning mid-infrared supercontinua in As2S3-silica waveguides pumped by a custom-built 2.8 μm femtosecond fiber laser. The fabricated hybrid waveguides are demonstrated to be long-term stable and water-resistant.Authors: Pan Wang, MaxPlanck Institute for Science of Light / Jiapeng Huang, MaxPlanck Institute for Science of Light / Shangran Xie, MaxPlanck Institute for Science of Light / Johann Troles, Université de Rennes I, Sciences Chimiques de Rennes / Philip Russell, MaxPlanck Institute for Science of Light

We present a new scaling law that relates the thermodynamic pressure with the electrodynamic forces in multimode nonlinear dielectric waveguides. Our results are in exact agreement with those obtained using the Maxwell stress tensor formalism.Authors: Huizhong Ren, CREOL, University of Central Florida / Fan Wu, CREOL, University of Central Florida / Pawel Jung, CREOL, University of Central Florida / Nikolaos Efremidis, University of Crete / Mercedeh Khajavikhan, University of Southern California / Demetrios Christodoulides, CREOL, University of Central Florida

We demonstrate that, due to nonlinear interactions, the orbital angular momentum in a multimode optical fiber can reach a thermal equilibrium state that is characterized by a temperature and a generalized Rayleigh-Jeans distribution.Authors: Fan Wu, University of Central Florida / QI ZHONG, University of Central Florida / Huizhong Ren, University of Central Florida / Pawel Jung, University of Central Florida / Mercedeh Khajavikhan, University of Southern California / Demetrios Christodoulides, University of Central Florida

We present an overview of a new method to print 3D volumetric gradient index (GRIN) micro-optics inside a porous silica scaffold and show results for the focusing properties of an array of cylindrical GRIN lenses.Authors: Alexander Littlefield, Univ of Illinois at Urbana-Champaign / Corey Richards, Univ of Illinois at Urbana-Champaign / Christian Ocier, Univ of Illinois at Urbana-Champaign / Dajie Xie, Univ of Illinois at Urbana-Champaign / Haibo Gao, Univ of Illinois at Urbana-Champaign / Paul Braun, Univ of Illinois at Urbana-Champaign / Lynford Goddard, Univ of Illinois at Urbana-Champaign

We present a platform for the design of high efficiency flat optics. Experimentally, we show common components such as polarizers, dichroics, and color filters with over 99% efficiency in the visible in 50nm of silicon.Authors: Arturo Burguete Lopez, King Abdullah Univ of Sci & Technology / Maksim Makarenko, King Abdullah Univ of Sci & Technology / Fedor Getman, King Abdullah Univ of Sci & Technology / Andrea Fratalocchi, King Abdullah Univ of Sci & Technology

We experimentally demonstrate all optically-controlled active liquid crystal (LC) plasmonic metasurface platform, based on laser induced nematic to isotropic (N-I) phase transition, which enables polarization switching in twisted NLC layer that controls the color of transmitted and reflected light.Authors: Mukesh Sharma, Tel Aviv University / Tal Ellenbogen, Tel Aviv University

We demonstrate nanoelectromechanical tuning of dual-mode resonant dielectric metasurfaces. The devices achieve intensity modulation over 40%, >10kHz speed, and 144° phase shift with 7V bias voltage.Authors: Tianzhe Zheng, California Institute of Technology / Hyounghan Kwon, California Institute of Technology / Andrei Faraon, California Institute of Technology

We propose a novel approach to control the speed of all-optical switches. In an epsilon-near-zero-metasurface comprising materials with picosecond- and nanosecond-switching-timescales, the switching-speed is controlled by the material interacting more strongly with the probe.Authors: Soham Saha, Purdue University / Benjamin Diroll, Argonne National Laboratory / Sarah Chowdhury, Purdue University / Alexander Kildishev, Purdue University / Richard Schaller, Argonne National Laboratory / Vladimir Shalaev, Purdue University / Zubin Jacob, Purdue University / Alexandra Boltasseva, Purdue University

We demonstrate phase-only tuning of optical metasurfaces in the full 2π-range by controlling the optical anisotropy of their surroundings. The concept is exemplified in a liquid crystal infiltrated metasurface tuned by the temperature and bias-voltage.Authors: Ziwei Yang, Australian National University / Mingkai Liu, Australian National University / Andrei Komar, Australian National University / Lei Xu, Australian National University / Dragomir Neshev, Australian National University

Electric fields in a surface acoustic wave in a piezoelectric substrate can pattern charge in an adjacent graphene film via the acousto-electric effect and thus reconfigure the optical transmission in an unpatterned graphene metasurface.Authors: Aleem Siddiqui, Sandia National Laboratories / Amun Jarzembski, Sandia National Laboratories / Michael Goldflam, Sandia National Laboratories / Thomas Beecham, Sandia National Laboratories

We demonstrate a time-dependent dielectric metasurface with sub-cycle dynamics coupled with a photoexcited electromagnetic source. The ultrafast photoexcitation of nanostructured Silicon acts as a temporal discontinuity affecting the nonlinear response responsible for terahertz emission.Authors: Jacob Tunesi, University of Sussex / Luke Peters, University of Sussex / Juan Sebastian Totero Gongora, University of Sussex / luana Olivieri, University of Sussex / Andrea Fratalocchi, King Abdullah University of Science and Technology / Alessia Pasquazi, University of Sussex / Marco Peccianti, University of Sussex

We introduce a new topological classification of two-dimensional matter related to its optical properties. Graphene’s viscous Hall fluid is the first candidate of this topological electromagnetic phase of matter with the underlying physical mechanism being Hall viscosity.Authors: Todd Van Mechelen, Purdue University / Wenbo Sun, Purdue University / Zubin Jacob, Purdue University

Electrogyration is electric-field-dependent polarization state rotation in chiral media. We demonstrate a metamaterial with a quadratic electrogyration constant of 7.8 × 10-14 rad m2 V-2, which is a million times stronger than in natural materials.Authors: Qiang Zhang, University of Southampton / Eric Plum, University of Southampton / Jun-Yu Ou, University of Southampton / Hailong Pi, University of Southampton / Junqing Li, Harbin Institute of Technology / Kevin MacDonald, University of Southampton / Nikolay Zheludev, University of Southampton

We demonstrate that ultra-strongly coupled SPP and ENZ modes in gold and indium tin oxide bi-films are strongly confined, can propagate for several microns, and offer a useful platform for nanophotonics at NIR frequencies.Authors: Saumya Choudhary, University of Rochester / Saleem Iqbal, University of Rochester / Orad Reshef, University of Ottawa / Mohammad Karimi, University of Ottawa / Zahirul Alam, University of Ottawa / Robert Boyd, University of Rochester

We demonstrate the cavity quantum electrodynamics towards strong-coupling regime mediated by cavity loss and exciton pure dephasing in singular site-controlled quantum dot-nanocavity system, studied by micro-photoluminescence (µ-PL) and time-resolved PL (TRPL).Authors: Wei Liu, University of California, Los Angeles, California / Jiahui Huang, University of California, Los Angeles, California / Alessio Miranda, École Polytechnique Fédérale de Lausanne, Lausanne / Benjamin Dwir, École Polytechnique Fédérale de Lausanne, Lausanne / Alok Rudra, École Polytechnique Fédérale de Lausanne, Lausanne / Elyahou Kapon, École Polytechnique Fédérale de Lausanne, Lausanne / Chee Wei Wong, University of California, Los Angeles, California

We demonstrate and study experimentally strong coupling in a monolithic, 1D terahertz photonic crystal, in which the guided modes are strongly coupled with the vibrational excitation of the organic material comprising the photonic structure.Authors: Maria Kaeek, Tel-Aviv University / Ran Damari, Tel-Aviv University / Sharly Fleischer, Tel-Aviv University / Tal Schwartz, Tel-Aviv University

Active tuning of the second-harmonic in patterned arrays of GaAs nanowires is presented. Experimental measurements for a 30% stretchable sample including size’s distribution correlate with simulations. We obtained 2.2 times nonlinear enhancement.Authors: Gregoire Saerens, ETH Zürich / Esther Bloch, ETH Zürich / kristina Frizyuk, ITMO university / Viola Valentina Neuling, ETH Zürich / Elizaveta Semenova, DTU Fotonik / Elizaveta Lebedkina, DTU Fotonik / Mihail Petrov, ITMO university / Rachel Grange, ETH Zürich / Maria Timofeeva, ETH Zürich

We propose an integrated perovskite metamaterial that enables wavefront control of the light emitted from halide perovskites. Through the incorporation of dielectric metasurface and Bragg cavity, we experimentally show directional emission from CH3NH3PbI3 (MAPbI3) perovskites.Authors: Yixin Chen, Texas A&M University / Jinze Cai, Texas A&M University / Xuezhi Ma, Texas A&M University / Shoufeng Lan, Texas A&M University / Zi Jing Wong, Texas A&M University

We report fiber-based confocal visible/near-infrared optical-resolution photoacoustic microscopy that can image tumor microvasculature, oxygen saturation, and nanoprobes in a single scanning. It offers a new tool for early detection of tumors with multiple contrast modes.Authors: Jiangbo CHEN, City University of Hong Kong / Yachao Zhang, City University of Hong Kong / Xiaozhen Li, City University of Hong Kong / Jingyi Zhu, City University of Hong Kong / Dengfeng Li, City University of Hong Kong / Shengliang Li, City University of Hong Kong / Chun-Sing Lee, City University of Hong Kong / Lidai Wang, City University of Hong Kong

Near infrared photoimmunotherapy (NIR-PIT) is a targeted cancer photo-therapy based on antibody-photoabsorber (IR700) conjugates. By crashing cancer cells combined with innate and/or adjuvant immune-activation, NIR-PIT activates anti-cancer immunity resulted in curing local and metastatic cancers.Authors: Hisataka Kobayashi, National Institutes of Health

Reflectance confocal microscopy noninvasively detects skin cancers. Image acquisition, reading and analysis can be standardized and automated with machine learning-based algorithms. Diagnosis can be combined with laser ablation for an imaging-guided integrated diagnosis-and-treatment approach.Authors: Milind Rajadhyaksha, Memorial Sloan Kettering Cancer Center

Doppler infrared spectroscopy of intracellular dynamics in living tumor tissue predicts patient response to chemotherapy. This work presents the first use of digital holography and deep learning in a clinical setting for cancer therapy assessment.Authors: David Nolte, Purdue University / Ran An, Animated Dynamics, Inc.

We classified breast cancer cell lines of different metastatic potentials using visible resonance Raman spectroscopy, principal component analysis, and support vector machines. Cross validated classification accuracies of over 78% were achieved.Authors: Binlin Wu, Southern Connecticut State University / Lin Zhang, College College of New York / Kenneth Jimenez, Southern Connecticut State University / Susie Boydston-White, Borough of Manhattan Community College / Eric Wang, Amity Regional High School / Cheng-hui Liu, College College of New York / Robert Alfano, College College of New York

To be providedAuthors: Georg Widhalm, Medical University of Vienna

We present a recent field deployment of a mid-IR quantum cascade laser dual-comb spectroscopic extractive sensing system equipped with a 76m multi-pass cell. We report system capability in monitoring and localizing multiple gas emission sources.Authors: JIE LIU, Princeton University / Chu Teng, Princeton University / Yifeng Chen, Princeton University / Charles Patrick, Princeton University / Jonas Westberg, Princeton University / Gerard Wysocki, Princeton University

A gas cell was developed by segmenting Hollo-Core Photonic Crystal Fiber, which increased the rate at which gas could be exchanged and allowed the cell to be used in an Intra Cavity Absorption Spectroscopic system.Authors: Gautam Das, Lakehead University / Joshua Trevisanutto, Lakehead University

We demonstrated a multiplexed non-dispersive infrared (NDIR) gas sensing platform that can deduce the concentrations of multiple gases in a mixture based on the measured responses of metamaterial absorber enabled narrowband pyroelectric detectors.Authors: Xiaochao Tan, Huazhong Univ. of Science and Technology / Heng Zhang, Huazhong Univ. of Science and Technology / Junyu Li, Huazhong Univ. of Science and Technology / Haowei Wan, Huazhong Univ. of Science and Technology / Qiushi Guo, Yale University / Houbin Zhu, shandong university / Huan Liu, Huazhong Univ. of Science and Technology / Fei Yi, Huazhong Univ. of Science and Technology

An optimized D-DFB design is presented, which guarantees the best possible performance in the range from 1.9 µm to 4.5 µm. Results for the performance and its suitability for detecting trace gases are shown.Authors: Morten Hoppe, Sacher Lasertechnik GmbH / Christian Aßmann, Sacher Lasertechnik GmbH / Sebastian Schmidtmann, Sensor Photonics GmbH / Martin Honsberg, Sensor Photonics GmbH / Tobias Milde, Sacher Lasertechnik GmbH / Joachim Sacher, Sacher Lasertechnik GmbH

We use photon counting and a sweeping high-Q microring on chip to obtainthe atmospheric carbon dioxide absorption spectrum around 1572.022 nm.Authors: Jiuyi Zhang, Stevens Institute of Technology / Yong Meng Sua, Stevens Institute of Technology / Jiayang Chen, Stevens Institute of Technology / Jeevanandha Ramanathan, Stevens Institute of Technology / Chao Tang, Stevens Institute of Technology / Yongxiang Hu, NASA Langley Research Center / Yu-Ping Huang, Stevens Institute of Technology

A continuous-wave optical parametric oscillator was used to produce spectrally resolved, infrared laser-induced fluorescence (IR-LIF) signals of CO2 in a heated jet. Spatially resolved temperature measurements were obtained by spectral fitting to the IR-LIF signals.Authors: Garrett Mathews, Purdue University / Joshua Stiborek, Purdue University / Christopher Goldenstein, Purdue University

A research rocket combustor was ignited using a focused beam of a Q-switched laser system. The optical emission of the plasma discharge revealed crucial propellant properties and allowed insights into the ignition process.Authors: Robert Stützer, German Aerospace Center

Multi-species measurements during shock heated hydrocarbon pyrolysis with a broadband mid-IR OPOAuthors: Robert Greene, University of Central Florida / Jessica Baker, University of Central Florida / Erik Ninnemann, University of Central Florida / Konstantin Vodopyanov, University of Central Florida / Subith Vasu, University of Central Florida

We present the results of an ultrafast 265 nm passively mode locked VECSEL utilizing two stage intracavity second harmonic generation. This novel design enhances the UV lasing output power without active stabilization.Authors: Jason Meyer, University of Arizona / Michal Lukowski, University of Arizona / Chris Hessenius, University of Arizona / Ewan Wright, University of Arizona / Mahmoud Fallahi, University of Arizona

A 1.0 µm laterally-coupled dual-wavelength distributed feedback laser is reported, with a frequency separation of 1.1 THz and near-circular output beam with small divergence angle of 20.6° (H) × 22.8° (V).Authors: Bin Hou, University of Glasgow / Shengwei ye, University of Glasgow / Song Liang, Institute of Semiconductors / John Marsh, University of Glasgow / Lianping Hou, University of Glasgow

We report on the challenges in the development of UV-C laser diodes on AlN substrates and their device characteristics. The key technology to realize is p-type conductivity control by using polarization doping.Authors: Maki Kushimoto, Nagoya University / Ziyi Zhang, Asahi Kasei Corporation / Naoharu Sugiyama, Nagoya University / Leo Schowalter, Crystal IS Inc. / Yoshio Honda, Nagoya University / Chiaki Sasaoka, Nagoya University / Hiroshi Amano, Nagoya University

The paper will review the basics of III-Nitride semiconductor technologies. The advances in foundational technologies addressing microdisplay and deep UV photonics will be presented. Emerging ultrawide bandgap materials and the use of AI in material design will be discussed.Authors: Nelson Tansu, Lehigh University

While the energy of terahertz pulses produced by classical plasmas is limited to a few microjoules, it can reach the millijoule level at relativistic laser intensities. We review the main conversion mechanisms and current applications.Authors: Luc Berge, Commissariat a l'Energie Atomique

We report efficient second harmonic gneration of picosecond CO2 laser pulses at intensitites up to 50 GW/cm2 in GaSe, AgGaSe2, CdGeAs2, and Te. External energy conversion efficiency can reach 20% in AgGaSe2.Authors: Daniel Matteo, University of California Los Angeles / Eric Welch, University of California Los Angeles / Sergei Tochitsky, University of California Los Angeles / Peter Schunemann, BAE Systems / Shekhar Guha, Air Force Research Laboratory / Chan Joshi, University of California Los Angeles

A new double-pass multiple plate compression (DPMPC) scheme is first demonstrated, compressing the pulse from 190 fs to 17.8 fs with 57 % throughput and good beam quality.Authors: Jia-Xuan Su, National Tsing Hua University / Bo-Han Chen, National Tsing Hua University / Jhan-Yu Guo, National Tsing Hua University / Kai Chen, Victoria university of wellington / Shang-da Yang, National Tsing Hua University / Chih-Hsuan Lu, National Tsing Hua University

We describe a compact, 1-m-long, hollow-core fiber (HCF) with 97.4% transmission. 1mJ, 170fs pulses are compressed to 25fs with 92% total efficiency, energy stability of 0.6% RMS and an M2 parameter of about 1.05Authors: Young-Gyun Jeong, INRS-EMT / Riccardo Piccoli, INRS-EMT / Andrea Rovere, INRS-EMT / Luca Zanotto, INRS-EMT / Gabriel Tempea, few-cycle Inc / Derrek Wilson, few-cycle Inc / Maksim Ivanov, few-cycle Inc / Alicia Ramirez, few-cycle Inc / Roberto Morandotti, INRS-EMT / François Légaré, INRS-EMT / Luca Razzari, INRS-EMT / Bruno Schmidt, few-cycle Inc

We present a twin optical parametric amplifier setup for generating broadly tunable mid-IR pulses. Sub-60fs pulses are demonstrated throughout 2.5-10μm tuning range. Output power >1 W at 3.5μm and >450 mW at 10μm is achieved with an 80W pump laser operating at 400kHz or 50kHz repetition rate.Authors: Rimantas Budriunas, Light Conversion / Karolis Jurkus, Light Conversion / Arúnas Varanavičius, Vilnius University Laser Research Center

Using phase-engineered coherent laser pulses produced by gain-switched semiconductor lasers, we generate low-power-threshold soliton microcombs whose repetition frequencies are in the X-band and K-band microwave ranges.Authors: Wenle Weng, Ecole Polytechnique Federale de Lausanne / Aleksandra Kaszubowska-Anandarajah, Trinity College Dublin / Jijun He, Ecole Polytechnique Federale de Lausanne / Prajwal Lakshmijayasimha, Dublin City University / Erwan Lucas, Ecole Polytechnique Federale de Lausanne / Junqiu Liu, Ecole Polytechnique Federale de Lausanne / Prince Anandarajah, Dublin City University / Tobias Kippenberg, Ecole Polytechnique Federale de Lausanne

We exploit orthogonally polarized resonant modes to achieve thermal equilibrium for Kerr soliton generation in Si3N4 microrings. The improved thermal stability allows for soliton mode-locking simply by slow wavelength tuning or thermoelectric cooling.Authors: Davide Grassani, University of Pavia / Federico Sabattoli, University of Pavia / Houssein El Dirani, STMicroelectronics / Laurène Youssef, Université Grenoble Alpes / Camille Petit-Etienne, Université Grenoble Alpes / Sébastien Kerdiles, Université Grenoble Alpes / Erwine Pargon, Université Grenoble Alpes / Marco Liscidini, University of Pavia / Corrado Sciancalepore, SOITEC / Daniele Bajoni, University of Pavia / Matteo Galli, University of Pavia

We demonstrate all-optical synchronization of Kerr combs in the normal group-velocity dispersion regime. Our results reveal the universality of Kerr comb synchronization and extend its scope beyond soliton modelocking.Authors: Bok Young Kim, Columbia University / Jae Jang, Columbia University / Yoshitomo Okawachi, Columbia University / Xingchen Ji, Columbia University / Michal Lipson, Columbia University / Alexander Gaeta, Columbia University

We show how soliton microcomb breathing oscillations synchronize to either the soliton repetition rate or to applied pump-laser phase modulation. In experiments, we observe locking ratios up to N = 8.Authors: Jordan Stone, NIST / Jennifer Black, NIST / Scott Papp, NIST

We report on the experimental analysis of parametrical optomechanical oscillations and photo-acoustical applications such as flow cytometers in hollow phoxonic whispering gallery mode resonators. Both phenomena can be enchanced or suppressed and showed chaotic behaviorAuthors: Xavier Rosello –Mecho, University de Valencia / Gabriele Frigenti, Ist di Fisica Applicata Nello Carrara / Daniele Farnesi, Ist di Fisica Applicata Nello Carrara / Martina Delgado-Pinar, University de Valencia / Miguel V. Andres, University de Valencia / Giancarlo Righini, Ist di Fisica Applicata Nello Carrara / Gualtiero Nunzi Conti, Ist di Fisica Applicata Nello Carrara / Silvia Soria, Ist di Fisica Applicata Nello Carrara

The zero-dispersion soliton is generated in a fiber FP microresonator with a Q factor of 107. Its spectrum ranges from 1240 nm to 1700 nm with more than 6,286 comb lines in 40-dB power range.Authors: Zeyu Xiao, Shanghai Jiao Tong University / Tieying Li, Shanghai Jiao Tong University / Minglu Cai, Shanghai Jiao Tong University / Hongyi Zhang, Shanghai Jiao Tong University / Yi Huang, Shanghai Jiao Tong University / Kan Wu, Shanghai Jiao Tong University / Jianping Chen, Shanghai Jiao Tong University

We measure the repetition rate of a 900 GHz octave-spanning soliton microcomb based on Vernier dual-comb frequency division implemented with two silicon nitride microresonator combs fabricated on the same wafer.Authors: Mohammed Al Alshaykh, Purdue University / Cong Wang, Purdue University / Nathan O'Malley, Purdue University / Zhichao Ye, Chalmers University of Technology / Abdullah Al Noman, Purdue University / Daniel Leaird, Purdue University / Minghao Qi, Purdue University / Victor Torres-Company, Chalmers University of Technology / Andrew Weiner, Purdue University

We propose a coherent THz source by efficient, cascaded second harmonic generation from electronic oscillators. We introduce hybrid dielectric cavity designs combining extreme field concentration in high-Q resonators with phonon-resonance-enhanced nonlinear materials.Authors: Lamia Ateshian, Massachusetts Institute of Technology / Hyeongrak Choi, Massachusetts Institute of Technology / Mikkel Heuck, Massachusetts Institute of Technology / Dirk Englund, Massachusetts Institute of Technology

We numerically and experimentally investigate out-of-plane gold nanostructures resonating at terahertz frequencies for field-driven photoemission and compare their performance with a traditional non-resonant nanotip geometry.Authors: Andrea Rovere, INRS-Energie Materiaux et Telecom / Riccardo Piccoli, INRS-Energie Materiaux et Telecom / Andrea Bertoncini, KAUST / Young-Gyun Jeong, INRS-Energie Materiaux et Telecom / Stéphane Payeur, INRS-Energie Materiaux et Telecom / François Vidal, INRS-Energie Materiaux et Telecom / O-Pil Kwon, Ajou University / Seung-Heon Lee, Ajou University / Jin-Hong Seok, Ajou University / Roberto Morandotti, INRS-Energie Materiaux et Telecom / Carlo Liberale, KAUST / Luca Razzari, INRS-Energie Materiaux et Telecom

A compact terahertz (THz) powered photogun reaching electron energies up to ~ 3keV is presented. First experiments testing the performance of the device as well as challenges in future development are summarized and discussed.Authors: Tobias Kroh, DESY / Timm Rohwer, DESY / Hannes Dinter, DESY / Max Kellermeier, DESY / Moein Fakhari, DESY / Michael Hemmer, DESY / Umit Demirbas, DESY / Huseyin Cankaya, DESY / Mikhail Pergament, DESY / Ralph Assmann, DESY / Nicholas Matlis, DESY / Franz Kärtner, DESY

We probe near-field THz pulses with nm-fs spatio-temporal resolution, through their interaction with free-electron pulses in an ultrafast transmission electron microscope. Our experiment can help understand THz generation and nanoscale THz phenomena.Authors: Michael Yannai, 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 / Giovanni Maria Vanacore, University of Milano-Bicocca / Fabrizio Carbone, École Polytechnique Fédérale de Lausanne (EPFL) / Javier de Abajo, Institut de Ciencies Fotoniques (ICFO) / Ido Kaminer, Technion Israel Institute of Technology

We report on the influence of antenna effects on the imaging by THz s-SNOM of a photonic mode. Unknown radiation pattern from the probe and sample combination makes the interpretation of a s-SNOM image non-trivial.Authors: Théo Hannotte, IEMN / Louis Thomas, IEMN / Cristiane Nascimento Santos, IEMN / Melanie Lavancier, IEMN / Sophie Eliet, IEMN / Benjamin Walter, Vmicro SAS / Marc Faucher, IEMN / Jean-François Lampin, IEMN / Romain Peretti, IEMN

We perform near-field THz imaging on a series of deeply subwavelength gold structures. We observe a contrast unrelated to changes in the material’s local properties, which we attribute to electromagnetic standing waves.Authors: Angela Pizzuto, Brown University / Xinzhong Chen, Stony Brook University / Mengkun Liu, Stony Brook University / Hai Hu, National Center for Nanoscience and Technology / Qing Dai, National Center for Nanoscience and Technology / Daniel Mittleman, Brown University

I will report the nano-imaging of graphene and extreme subwavelength metallic nanostructures via scattering-type scanning near-field optical microscopy (s-SNOM) in the GHz to THz frequency range. Our results reveal that the quantitative analysis of the near-field optical material contrasts in the long-wavelength regime requires a careful assessment of the size and configuration of conductive structures.Authors: Mengkun Liu, Stony Brook University

We have recently established that solution-processed all-inorganic colloidal CsPbX3 nanocrystals are a champion materials system for laser cooling. We will highlight the materials and nanophotonic design constraints on cooling efficiency.Authors: Matthew Sheldon, Texas A&M University

We report a 17 μm-pitched two-color micro-LED array based on brushing-assisted micro-patterning of quantum dots. Filtered by an integrated distributed Bragg reflector layer, our array features bright, localized, and fast light output near 462 nm and 623 nm with low spectral and spatial crosstalk.Authors: Dacheng Mao, UMass Amherst / Zheshun Xiong, UMass Amherst / Matthew Donnelly, UMass Amherst / Guangyu Xu, UMass Amherst

We report a 3-in-1 mini-light emitting diode and combine ink-jet printing technique to achieve a full color in monolithic chip. Finally, make reliability test by low-temperature ALD technology at 2020 color gamut of red and green QDs during 300 hours reliability test under 50 °C/50 % RH condition.Authors: Yu-Ming Huang, National Chiao-Tung University / Yu-Hau Liou, National Chiao-Tung University / An-Chen Liu, National Chiao-Tung University / Chien-Chung Lin, National Chiao-Tung University / Hao-Chung Kuo, National Chiao-Tung University

We present an all-fiber, all-optical modulator based on a polarization interferometer structure depositing with two-dimensional nanomaterials. Bright and stable modulated output signals can be achieved highlighting the potential for two-dimensional nanomaterial-based photonic applications.Authors: Q. Wu, Beihang University / Meng Zhang, Beihang University / Zheng Zheng, Beihang University

We present a graphene-based actuator that is capable of performing multiple motions under uniform laser illumination. By varying the concentration of graphene nanoplatelets in the PDMS polymer, we control the actuator's movement direction.Authors: Anjani Tiwari, Indian Institute of Technology Kanpur / Vivek Singh, Indian Institute of Technology Kanpur / S. Ramakrishna, Indian Institute of Technology Kanpur

We demonstrate the reduction mechanism of graphene oxide (GO) using prism-based attenuated total reflection platform. The connection between the change in current and reflectance of GO film during reduction was studied along with device photo-response. ©2021 The Author(s).Authors: Soma Saha, Indian Institute of Technology Bombay / Sonatan Das, Indian Institute of Technology Bombay / Anindya Datta, Indian Institute of Technology Bombay / Tapanendu Kundu, Indian Institute of Technology Bombay

We report on the Be-dopant assessment in Ga-assisted molecular beam epitaxially grown nanowires using conductive-atomic force microscopy, X-ray photoelectron spectroscopy, and ultraviolet photoelectron spectroscopy.Authors: PRIYANKA RAMASWAMY, North Carolina A&T State University / Mehul Parakh, North Carolina A&T State University / Rabin Pokharel, North Carolina A&T State University / Keith Jones, Asylum Research, an Oxford Instruments Company / Jia Li, North Carolina A&T State University / Shanthi Iyer, North Carolina A&T State University

We present a carrier-envelope-phase stable light source with simultaneous spectral coverage across 7 optical octaves (UV to THz) by combining soliton self-compression, dispersive wave generation and intra-pulse difference frequency generation.Authors: Ugaitz Elu, ICFO - Institut de Ciencies Fotoniques / Luke Maidment, ICFO - Institut de Ciencies Fotoniques / Lenard Vamos, ICFO - Institut de Ciencies Fotoniques / Francesco Tani, Max-Planck Institute for Science of Light / David Novoa, Max-Planck Institute for Science of Light / Michael H. Frosz, Max-Planck Institute for Science of Light / Valeriy Badikov, High Technologies Laboratory, Kuban State University / Dimitry Badikov, High Technologies Laboratory, Kuban State University / Valentin Petrov, Max-Born-Institute for Nonlinear Optics and Ultrafast Spectroscopy / Philip Russell, Max-Planck Institute for Science of Light / Jens Biegert, ICFO - Institut de Ciencies Fotoniques

We perform ultrafast degenerate infrared pump-probe micro- to nano-scale imaging and spectroscopy of multi-quantum-well antenna heterostructures. We demonstrate coupling strength and phase rotation control through modification of the optical nano-cavity.Authors: Samuel Johnson, University of Colorado at Boulder / Hans Bechtel, Lawrence Berkeley National Laboratory / Sander Mann, City University of New York / Nishant Nookala, The University of Texas at Austin / Andrea Alù, City University of New York / John Klem, Sandia National Laboratories / Igal Brener, Sandia National Laboratories / Mikhail Belkin, Technical University of Munich / Markus Raschke, University of Colorado at Boulder

By using a novel UV beamline with sub-20-fs resolution we investigate the ultrafast dynamics of DNA nucleosides and thiobases, revealing the primary photo-induced processes occurring in sub-100 fs timescales.Authors: Rocio Borrego-Varillas, Istituto di Fotonica e Nanotecnologie

We demonstrate femtosecond time–resolved soft–X–ray absorption spectroscopy of liquid samples by combining a sub–micrometer–thin flat liquid jet with a HHG source covering the entire water-window range and trace the valence-shell ionization dynamics at the carbon K-edge.Authors: Tadas Balciunas, Univrsity of Geneva / Yi-Ping Chang, Univrsity of Geneva / Zhong Yin, ETH Zurich / Cedric Schmidt, Univrsity of Geneva / Kristina Zinchenko, ETH Zurich / Fernanda Nunes, ETH Zurich / Vit Svoboda, ETH Zurich / Adam Smith, ETH Zurich / Emanuele Rossi, ETH Zurich / Jean-Pierre Wolf, Univrsity of Geneva / Hans-Jakob Wörner, ETH Zurich

We demonstrate the suitability of dual-comb thin-disk lasers for comb-line-resolved spectroscopy by measuring the absorption spectrum of acetylene. Operating with 240-fs, 6-8 W and 97-MHz, such sources are highly attractive for frequency-conversion into the mid-infrared.Authors: Norbert Modsching, Université de Neuchâtel / Jakub Drs, Université de Neuchâtel / Pierre Brochard, Université de Neuchâtel / Julian Fischer, Université de Neuchâtel / Stéphane Schilt, Université de Neuchâtel / Valentin J. Wittwer, Université de Neuchâtel / Thomas Südmeyer, Université de Neuchâtel

We propose a novel technique that leverages free electrons coherently-shaped by laser pulses to measure quantum coherence in materials, opening the way toward the full characterization of the state of quantum systems at atomic-scale resolution.Authors: Ron Ruimy, Technion Israel institute of technology / Alexey Gorlach, Technion Israel institute of technology / Chen Mechel, Technion Israel institute of technology / Nicholas Rivera, Massachusetts Institute of Technology / Ido Kaminer, Technion Israel institute of technology

We propose and demonstrate a single-pixel temporal imaging system with high resolution, efficiency, and sensitivity. A terahertz pulse with pulse energy as low as 5 fJ is compressively imaged with a resolution down to 16 fs.Authors: Jiapeng Zhao, Univerisity of Rochester / Jianming Dai, Tianjin University / Boris Braverman, University of Ottawa / Xi-Cheng Zhang, Univerisity of Rochester / Robert Boyd, Univerisity of Rochester

We demonstrate a high-speed optical link with a transmitter based on silicon micro-ring modulators and a receiver based on all-silicon resonant photodetectors capable of demultiplexing and detecting 112 Gb/s PAM4 signals at datacom wavelengths.Authors: Meer Nazmus Sakib, Intel Labs- Photonics Research

We report in-plane III-V p-i-n photodetectors selectively grown on (001) silicon-on-insulator (SOI) wafers. These devices feature a responsivity of around 0.7 A/W at 1550 nm and 1.8 A/W at 1310 nm, a low dark current of 6 nA at -1 V bias, and high-speed operation beyond 40 G.Authors: Ying Xue, Hong Kong Univ of Sci@Tech / Yu Han, Hong Kong Univ of Sci@Tech / Yeyu Tong, The Chinese University of Hong Kong / Zhao Yan, Hong Kong Univ of Sci@Tech / Yi Wang, The Chinese University of Hong Kong / Hon Ki Tsang, The Chinese University of Hong Kong / Kei May Lau, Hong Kong Univ of Sci@Tech

We report an 8×40Gb/s WDM data transmission through an Al2O3:Er3+ spiral waveguide amplifier on Si3N4 featuring 1.8dB/cm net gain. All data channels present clear eye diagrams and bit-error rate values above the KR4-FEC limit.Authors: Themistoklis Chrysostomidis, Aristotle University of Thessaloniki / Ioannis Roumpos, Aristotle University of Thessaloniki / Konstantinos Fotiadis, Aristotle University of Thessaloniki / Jinfeng Mu, University of Twente / Athanasios Manolis, Aristotle University of Thessaloniki / Christos Vagionas, Aristotle University of Thessaloniki / Meindert Dijkstra, University of Twente / Sonia Garcia-Blanco, University of Twente / Konstantinos Vyrsokinos, Aristotle University of Thessaloniki / Theoni Alexoudi, Aristotle University of Thessaloniki

A hybrid approach incorporates traveling-wave amplifier stages into the Mach-Zehnder modulator (MZM) to reduce the area and power and improve bandwidth in a 90-nm silicon photonic (SiPh) CMOS process. Optical measurements demonstrate data rates up to 30 Gb/s.Authors: Navid Hosseinzadeh, UC Santa Barbara / Clint Schow, UC Santa Barbara / James Buckwalter, UC Santa Barbara

We present a 0.4-mm-large high-speed photodetector (PD), formed by series and parallel connected integration of 40 um diameter PDs. We successfully achieved the same 3-dB bandwidth (8.5 GHz) as that in 40 um single PD.Authors: Toshimasa Umezawa, National Inst of Information & Comm Tech / Shinya Nakajima, National Inst of Information & Comm Tech / Atsushi Matsumoto, National Inst of Information & Comm Tech / Kouichi Akahane, National Inst of Information & Comm Tech / Naokatsu Yamamoto, National Inst of Information & Comm Tech

We demonstrated on-chip acousto-optic modulation at near-visible wavelengths on an etchless lithium niobate integrated platform. We obtained an intrinsic optical Q of 40,000 and measured acousto-optic modulation with the modulation frequency up to 2.44 GHz.Authors: Yue Yu, The Chinese University of Hong Kong / Lai Wang, Tsinghua University / Xiankai Sun, The Chinese University of Hong Kong

An energy-efficient integrated silicon Mach-Zehnder modulator using 0.5 mm long corrugated waveguides with an extinction ratio of 30 dB is presented. Using this modulator, 15 Gb/s NRZ transmission is demonstrated with modulation efficiency (VπL) of 0.065V.cm.Authors: Karanveer Singh, Technische Universität Braunschweig / Arijit Misra, Technische Universität Braunschweig / Sourav Dev, Technische Universität Dresden / Reza Hosseini, SIMULIA Industry Process Consultant at Dassault Systemes / Stefan Preußler, Technische Universität Braunschweig / Kambiz Jamshidi, Technische Universität Dresden / Thomas Schneider, Technische Universität Braunschweig

We developed a dual-wavelength excitation, large field-of-view (25 mm2) two-photon microscope with temporal multiplexing and two completely independent scan engines coupled into the same objective for imaging in multiple areas with multiple wavelengths simultaneously.Authors: Che-Hang Yu, University of California, Santa Barbara / Jeffrey Stirman, University of California, Santa Barbara / Spencer Smith, University of California, Santa Barbara

We demonstrate a two photon (2P) fiber STED microscope in which the excitation and STED light are delivered to the sample in polarization maintaining (PM) fiber.Authors: Brendan Heffernan, University of Colorado, Boulder / Peter Riley, University of Colorado, Boulder / Omkar Supekar, University of Colorado, Boulder / Stephanie Meyer, University of Colorado / Nicholas George, University of Colorado / Diego Restrepo, University of Colorado / Mark Siemens, University of Denver / Emily Gibson, University of Colorado / Juliet Gopinath, University of Colorado, Boulder

We demonstrate a lensless microscope using a single random microlens array and a fast local object reconstruction algorithm. Compared to other lensless imagers, our approach allows a large field of view and low computation complexity.Authors: Feng Tian, University of California Davis / Junjie Hu, University of California Davis / Weijian Yang, University of California Davis

Linear fluorescence is the most widespread optical contrast mechanism, yet remains extremely challenging for deep imaging using scattered light. exploiting matrix factorization algorithms, I will show how fluorescence can be exploited for imaging and function activity recording.Authors: Claudio Moretti, Laboratoire Kastler Brossel / Antoine Boniface, Laboratoire Kastler Brossel / Jonathan Dong, Laboratoire Kastler Brossel / Sylvain Gigan, Sorbonne Université

We demonstrate a new wearable fluorescence imaging device named Computational Miniature Mesoscope (CM2), that achieves high-resolution single-shot volumetric imaging across a wide field-of-view.Authors: Yujia Xue, Boston University / Ian Davison, Boston University / David Boas, Boston University / Lei Tian, Boston University

We demonstrate a lensless epi-fluorescence computational microendscope composed of a coded-aperture and multicore fiber. We find significant improvement in re-constructed image quality through modal decomposition of the fluorescence collected in each core of the fiber.Authors: Samuel Metais, Johns Hokins University / Jiayue Li, Johns Hokins University / Jaewook Shin, Johns Hokins University / Neil MacFarlane, Johns Hokins University / Milad Alemohammad, Johns Hokins University / Maged Harraz, Johns Hopkins University / Amy Foster, Johns Hokins University / Mark Foster, Johns Hokins University

We proposed and demonstrated a high-power all-fiberized laser oscillator with a novel constant-cladding tapered-core (CCTC) Yb-doped fiber for the first time. The output power was scaled to 1514 W with an optical-to optical efficiency of ~64%.Authors: Yun Ye, National Univ. of Defense Tech. / Xianfeng Lin, Huazhong University of Science and Technology / Xiaoming Xi, National Univ. of Defense Tech. / Baolai Yang, National Univ. of Defense Tech. / Chen Shi, National Univ. of Defense Tech. / Hanwei Zhang, National Univ. of Defense Tech. / Xiaolin Wang, National Univ. of Defense Tech. / Jinyan Li, Huazhong University of Science and Technology / Xiaojun Xu, National Univ. of Defense Tech.

We present an all-fiber, synchronously pumped, optical parametric oscillator based on birefringent phase matching in a polarization maintaining fiber. The laser system produces ultrashort signal and idler pulses near 930 nm and 1230 nm.Authors: Orkhongua Batjargal, The University of Arizona / Yukun Qin, The University of Arizona / Khanh Kieu, The University of Arizona

The threshold of transverse mode instability induced by stimulated Raman scattering is examined. Therefore, key parameters for transverse mode instabilities in a passive fiber high-power core-pumped Raman amplifier are experimentally investigated and discussed.Authors: Victor Distler, Fraunhofer Institute for Applied Optics and Precision Engineering / Friedrich Möller, Fraunhofer Institute for Applied Optics and Precision Engineering / Benjamin Yildiz, Fraunhofer Institute for Applied Optics and Precision Engineering / Marco Plötner, Fraunhofer Institute for Applied Optics and Precision Engineering / Till Walbaum, Fraunhofer Institute for Applied Optics and Precision Engineering / Thomas Schreiber, Fraunhofer Institute for Applied Optics and Precision Engineering

We demonstrate coherent beam combining of pulses from 3 chirally-coupled core optical fibers into a single 22mJ pulse, achieving >7mJ per channel combining and allowing for future temporal combination and compression at high energyAuthors: Alexander Rainville, University of Michigan / Mingshu Chen, University of Michigan / Mathew Whittlesey, University of Michigan / Qiang Du, Lawrence Berkeley National Laboratory / Almantas Galvanauskas, University of Michigan

We present nanosecond-pulse amplification in very-large mode-area amplifiers with varying Er absorptions and effective areas. Diffraction limited, 0.54 mJ pulses with 851 kW peak power in a 10 kHz pulse train at 1560 nm are achieved.Authors: Jeffrey Nicholson, OFS Labs / Anthony DeSantolo, OFS Labs / Cang Jin, OFS Labs / Man Yan, OFS Labs / Patrick Wisk, OFS Labs / Eric Monberg, OFS Labs / Vasiliy Lukonin, OFS Labs / Ian Sun, OFS Labs / Mona Niu, OFS Labs / Zachary Goldberg, OFS Labs

We demonstrate the first dual-pass pre-chirp managed amplification in a rod-type Yb-fiber that amplifies 23-mW broadband pulses to 101.5-W with 36.5-dB gain. After compression, the system delivers 2-μJ, 67-fs pulses.Authors: Yao Zhang, Xidian University

We review the recent advances in fiber-based sources of ultrashort pulses based on the gain-managed nonlinear regime. We discuss how highly nonlinear pulse evolution can be exploited to overcome typical limits of fiber-based sources.Authors: Pavel Sidorenko, Cornell University / Frank Wise, Cornell University

We will discuss recent advances in remote atomic magnetometry, including measurements in the mesosphere some 90 km above ground using sodium laser-guidestar techniques and laboratory vapor-cell measurements employing detection via mirrorless lasing.Authors: Dmitry Budker, Helmholtz Institute Mainz & UC Berkeley

We determine DC and AC electric field strengths through measurements of Stark shifts in Rydberg electromagnetically-induced transparency. This demonstrates the potential for Rydberg atom-based calibrations of AC/DC voltage sources from 0-12 V.Authors: Nikunj Prajapati, University of Colorado / Amy Robinson, University of Colorado / Eric Norrgard, National Institute of Standards and Technology / Matt Simons, National Institute for Standards and Technology / Christopher Holloway, National Institute for Standards and Technology

Rydberg atoms in a vapor cell are used to measure the angle-of-arrival (AoA) of an incident radio-frequency plane wave through sub-wavelength phase measurements using a heterodyne technique.Authors: Amy Robinson, University of Colorado / Nikunjkumar Prajapati, University of Colorado / Damir Senic, Ansys / Matthew Simons, National Institute of Standards and Technology / Joshua Gordon, National Institute of Standards and Technology / Christopher Holloway, National Institute of Standards and Technology

High-resolution thermal and magnetic vector gradient imaging is demonstrated using diamond quantum sensors in a microstructured fiber probe platform. These sensors are capable of insitu magnetic field and temperature measurements with 160 pT/√Hz and 25 mK/√Hz sensitivities.Authors: Sean Blakley, Texas A&M University / Ilya Fedotov, M. V. Lomonosov Moscow State University / Xiaohan Liu, Texas A&M University / Christapher Vincent, Texas A&M University / Xinghua Liu, Texas A&M University / Alexey Akimov, Texas A&M University / Philip Hemmer, Texas A&M University / Aleksei Zheltikov, Texas A&M University

In magnetometry using quantum defects in diamond (NV- centers), we demonstrate forty-fold speedup with sequential Bayesian experiment design as compared with conventional NV- magnetometry using frequency-swept measurements.Authors: Sergey Dushenko, University of Maryland College park/NIST / Sean Blakley, University of Maryland College park/NIST / Kapildeb Ambal, University of Maryland College park/NIST / Robert McMichael, National Institute of Standards and Technology

To be providedAuthors: Nicolas Fontaine, Nokia Bell Labs

We are developing an integrated solid state Lidar system with potentially low cost, compact size, lightweight, low power, high performance, and high reliability. It can be easily concealed into the body of any vehicle. Hence, it will not compromise the aerodynamics or the design aesthetics of the vehicle in any way.Authors: ARASH KAZEMIAN, QunFa Inc

Here, I introduce a Photonic TPU (P-TPU), a PIC-based ASIC for vector matrix multiplication acceleration and report on a programmable multi-level non-volatile photonic random access memory (P-RAM).Authors: Volker Sorger, George Washington University

We report a new approach to ONNs based on integrated Kerr micro-combs that is programmable, highly scalable and capable of reaching ultra-high speeds. We demonstrate a single perceptron at 11.9 Giga-OPS at 8 bits /OP, or 95.2 Gbps. We then demonstrate a convolutional accelerator at 11 TeraOPs/s.Authors: David Moss, Swinburne University of Technology / xingyuan xu, Monash / arnan Mitchell, RMIT / Mengxi tan, Swinburne University of Technology / Jiayang Wu, Swinburne University of Technology / bill corcoran, Monash / roberto morandotti, INRS

We demonstrate reservoir computing using a fiber delay line and membrane semiconductor optical amplifier on Si. Thanks to its small active volume and low fiber-coupling loss, the reservoir consumes only 43 mW for nonlinear activation.Authors: Takuma Tsurugaya, NTT Device Technology Labs, NTT Corporation / Tatsurou Hiraki, NTT Device Technology Labs, NTT Corporation / Mitsumasa Nakajima, NTT Device Technology Labs, NTT Corporation / Takuma Aihara, NTT Device Technology Labs, NTT Corporation / Nikolaos Panteleimon Diamantopoulos, NTT Device Technology Labs, NTT Corporation / Takuro Fujii, NTT Device Technology Labs, NTT Corporation / Toru Segawa, NTT Device Technology Labs, NTT Corporation / Shinji Matsuo, NTT Device Technology Labs, NTT Corporation

Here we will show a method to achieve broadband enhancement of thermal emission in far-field from an intrinsically poor thin-film emitter coupled to an external optical cavity. We will also discuss our recent experimental results on near-field radiative heat transfer and integrated near-field thermophotovoltaic on silicon platform.Authors: Michal Lipson, Columbia University / Gaurang Bhatt, Columbia University

Here we will discuss the opportunity to implement polaritonic strong coupling between different media in an effort to dictate the polaritonic dispersion relation, and thus, the propagation and resonant properties of these materials.Authors: Joshua Caldwell, Vanderbilt University

To be providedAuthors: Jean-Jacques Greffet, Institut d'Optique

We developed and experimentally demonstrated a minimalistic spectroscopic technique that does not require wavelength-selective components such as prisms, gratings, or interferometers—instead using the temperature and wavelength dependence of Planck's law of thermal emission.Authors: Yuzhe Xiao, University of Wisconsin-Madison / Chenghao Wan, University of Wisconsin-Madison / Jad Salman, University of Wisconsin-Madison / Ian Maywar, University of Wisconsin-Madison / Jonathan King, University of Wisconsin-Madison / Alireza Shahsafi, University of Wisconsin-Madison / Mikhail Kats, University of Wisconsin-Madison

We report a double-sided radiative cooling system with a record high local cooling power density of ~270 W/m2. The configuration of the system was investigated theoretically and a superior cooling performance was demonstrated experimentally.Authors: Lyu Zhou, State University of New York at Buffalo / Haomin Song, State University of New York at Buffalo / Nan Zhang, State University of New York at Buffalo / Jacob Rada, State University of New York at Buffalo / Matthew Singer, State University of New York at Buffalo / Qiaoqiang Gan, State University of New York at Buffalo

We show the creation of unidirectional currents in nanojunctions in strong optical fields at ambient conditions, with no phase stabilization of the driver. The mechanism is rooted in the inter-cycle interference of the electronic wavepackets in the nanogap.Authors: Ihar Babushkin, Leibniz Universität Hannover / Liping Shi, Westlake University / Anton Husakou, Max-Born-Institut / Oliver Melchert, Leibniz Universität Hannover / Bettina Frank, Universität Stuttgart / Yuemin Ji, Institute of Physics and Ce Carl von Ossietzky University Oldenburgnter of Interface Science / Gustav Wetzel, Leibniz Universität Hannover / Ayhan Demircan, Leibniz Universität Hannover / Christoph Lienau, Institute of Physics and Ce Carl von Ossietzky University Oldenburgnter of Interface Science / Harald Giessen, Universität Stuttgart / Misha Ivanov, Max-Born-Institut / Uwe Morgner, Leibniz Universität Hannover / Milutin Kovacev, Leibniz Universität Hannover

Our opto-thermo-electrohydrodynamic tweezers (OTET) enables the trapping and dynamic manipulation of sub-10 nm size biomolecules several microns away from the high intensity laser focus thereby mitigating detrimental photo-induced heating effect.Authors: Chuchuan Hong, Vanderbilt University / Sen Yang, Vanderbilt University / Justus Ndukaife, Vanderbilt University

Plasmonic apertures for optical nanotweezers are designed by an algorithm and fabricated with a helium ion microscope. Optical trapping experiments are performed. At every laser intensity, an algorithm-designed structure can outperform a conventional plasmonic aperture.Authors: Neuton Li, Australian National University / Jasper Cadusch, University of Melbourne / Kenneth Crozier, University of Melbourne

We report a dielectric nanoantenna system for the low-power optical trapping of nanoscale objects with ultra-low photothermal heating effect and enhanced trapping stability.Authors: Yuxi Jiang, Vanderbilt University / Chuchuan Hong, Vanderbilt University / Sen Yang, Vanderbilt University / Justus Ndukaife, Vanderbilt University

Applying femtosecond atomic forces to key atoms of a single-molecule switch allows us to coherently steer a frustrated structural rotation that modulates the molecule’s switching probability by up to 39%. © 2020 The Author(s)Authors: Lukas Kastner, University of Regensburg / Dominik Peller, University of Regensburg / Thomas Buchner, University of Regensburg / Carmen Roelcke, University of Regensburg / Florian Albrecht, University of Regensburg / Nikolaj Moll, IBM-Research Zurich / Rupert Huber, University of Regensburg / Jascha Repp, University of Regensburg

We present a graphene nano-ribbon based plasmonic conveyor belt network for simultaneous and independent trapping and transportation of multiple nano-objects, which are entirely achieved by electrostatically varying the carrier density distribution in the graphene structures.Authors: Peter Liu, State University of New York at Buffalo / Puspita Paul, State University of New York at Buffalo

We show a novel architecture for massively parallel FMCW LiDAR based on multiheterodyne mixing of two triangular chirped soliton microcombs using a single laser source and a single coherent receiver. We demonstrate a proof of concept experiment with 5.6 MPix/s detection rates.Authors: Anton Lukashchuk, EPFL / Johann Riemensberger, EPFL / maxim karpov, EPFL / Junqiu Liu, EPFL / Tobias Kippenberg, EPFL

We demonstrate a pulsed-coherent lidar system with a microresonator generated optical frequency comb which achieves sub-10µm precision and 30-µm INLMax with a 5-MSa/s sampling rate.Authors: Li-Yang Chen, University of California, Los Angeles / Abhinav Kumar Vinod, University of California, Los Angeles / James McMillan, University of California, Los Angeles / Hao Liu, University of California, Los Angeles / Hangbo Yang, University of California, Los Angeles / Chih-Kong Ken Yang, University of California, Los Angeles / Chee Wei Wong, University of California, Los Angeles

Hybrid vision systems may enable real-time image processing in remote, power/energy-limited applications. We demonstrate 40k/17k frame-per-second self-motion inference rates with optical processing, which is 3 orders of magnitude faster than current all-electronic state-of-the-art.Authors: Frank Rodriguez, University of California at Riverside / Baurzhan Muminov, University of California at Riverside / Luat Vuong, University of California at Riverside

An iterative method for generating linear frequency sweep from a DFB laser at 1550nmis demonstrated. An object with speed of ~6m/s at 7m is detected by the FMCW lidar, indicating a good sweep linearity.Authors: Xianyi Cao, Shanghai Jiao Tong University / Chao Li, Shanghai Jiao Tong University / Kan Wu, Shanghai Jiao Tong University / JiaXuan Long, Shanghai Jiao Tong University / Jianping Chen, Shanghai Jiao Tong University

By employing a tunable laser and a 2D disperser, we experimentally realize a frequency-modulated continuous-wave lidar system that performs ranging and 2-dimensional non-mechanical beam-steering simultaneously. Reconfigurable high imaging resolution and precise ranging are achieved.Authors: Zhi Li, Tsinghua University / Zihan Zang, Tsinghua University / Xuanyi Liu, Tsinghua University / Lican Wu, Tsinghua University / H. Y. Fu, Tsinghua University

We'll discuss how unique mission requirements drive laser design features including performance, size, weight, power consumption, and reliability in the context of specific LIDAR sensing and laser communications missions and systems.Authors: Andrew Schober, Fibertek, Inc.

The aim of this work is to present the advances in aerosols profiling with a short-range elastic lidar system. Our results demonstrate the feasibility of short-range elastic micro-lidar measurements of smoke. The objective is to retrieve the radiative properties (backscattering) of soot particles.Authors: Lucas Paulien, ONERA / Matthew Berg, Kansas State University / Romain Ceolato, ONERA

We propose imaging techniques that utilized quantum fluctuation analysis of a squeezed vacuum field to image opaque objects at low-photon environment. Our method uses a CCD camera-based homodyne detection, allowing noise quadrature selection.Authors: Irina Novikova, College of William & Mary / Savannah Cuozzo, College of William & Mary / Nikunj Prajapati, College of William & Mary / pratik Barge, Louisiana State University / Narayan Bhusal, Louisiana State University / Lior Cohen, Louisiana State University / Hwang Lee, Louisiana State University / Eugeniy mikhailov, College of William & Mary

Neutral atoms trapped in an array of optical dipole traps are EIT-cooled to a temperature of Tf = 2.8 μK. With an observed EIT cooling rate of 1400/s for theory limt of n∞ =0.03, we measure the average quanta of nexp=1.5.Authors: Hwang sub, Korean Adv Inst of Science and Tech / Andrew Byun, Korean Adv Inst of Science and Tech / Jaewook Ahn, Korean Adv Inst of Science and Tech

We propose a method for slowing, cooling and trapping Yb atoms using stimulated forces and only the 1S0 → 3P1 transition. With laser frequency chirp, our computer simulation predicts a MOT loading rate over 108 atoms/s.Authors: Tanaporn Na Narong, Stanford University / Leo Hollberg, Stanford University

We propose a measurement scheme enabling reconstruction of the amplitude and phase of wavefunctions in Bose-Einstein condensates from their momentum power-spectrum. Our method reduces ambiguities and allows the reconstruction of arrays of vortices.Authors: Ron Ziv, Technion - Israel Institute of Technology / Yoav Sagi, Technion - Israel Institute of Technology / Yonina Eldar, Weizmann Institute of Science / Mordechai segev, Technion - Israel Institute of Technology

We present the experimental realization of the bosonic network by using the vibrational modes of multiple trapped ions and demonstration of quantum state tomography for an arbitrary multi-mode phonon state with a definite number of phonons.Authors: Kihwan Kim, Tsinghua University

We present sub-wavelength periodic spin textures of spatially varying Raman Rabi frequency created by evanescent-wave optical lattice. Our results open the door to the study of spin excitation dynamics in ultracold gases.Authors: Yigal Ilin, Technion – Israel Institute of Technology / Shai Tsesses, Technion – Israel Institute of Technology / Guy Bartal, Technion – Israel Institute of Technology / Yoav Sagi, Technion – Israel Institute of Technology

We propose the use of rotational echoes for obtaining the degree of molecular alignment induced in a gas. The method is independent of various parameters and relies on intrinsic dynamics of the rotational echo response.Authors: Dina Rosenberg, Tel Aviv University / Sharly Fleischer, Tel Aviv University

We demonstrate a correspondence between linear support vector machines (SVM) and entanglement witnesses, and use this correspondence to generate entanglement witnesses for bipartite qubit, tripartite qubit, and bipartite qutrit systems.Authors: Larry Wu, University of Toronto / Eric Zhu, University of Toronto / Li Qian, University of Toronto

We report the experimental demonstration of supervised learning assisted by an entangled sensor network (SLAEN). We show an entanglement-enabled reduction in the error probability for classification of multidimensional radio-frequency signals.Authors: Yi Xia, University of Arizona / Wei Li, University of Arizona / Quntao Zhuang, University of Arizona / Zheshen Zhang, University of Arizona

Classical shadows enable remarkably efficient estimation of quantum observables, yet their connection to conventional techniques is unclear. In simulated examples we show that Bayesian mean estimation attains lower error on average, whereas classical shadows excel for specific states of interest.Authors: Joseph Lukens, Oak Ridge National Laboratory / Kody Law, University of Manchester / Ryan Bennink, Oak Ridge National Laboratory

We derive the quantum limit on average error for hypothesis tests between any two incoherent, diffraction-limited objects and identify quantum-optimal measurements that achieve a quadratic scaling improvement over direct imaging.Authors: Michael Grace, University of Arizona / Saikat Guha, University of Arizona

We describe a series of works where different Semi-DI protocols for Quantum RandomNumber generation are proposed and experimentally realized using photonic systems.These protocols exploit both discrete and continuous variables to generate private randomnessAuthors: Marco Avesani, Universita degli Studi di Padova / Hamid Tebyanian, Universita degli Studi di Padova / Davide Marangon, Universita degli Studi di Padova / Paolo Villoresi, Universita degli Studi di Padova / Giuseppe Vallone, Universita degli Studi di Padova

In this work, we experimentally self-test the states generated by two quantum network basic topologies. In detail, we provide lower bounds on their fidelity with respect to a target, through a scalable and versatile protocol.Authors: Iris Agresti, La Sapienza University of Rome / Beatrice Polacchi, La Sapienza University of Rome / Davide Poderini, La Sapienza University of Rome / Emanuele Polino, La Sapienza University of Rome / Alessia Suprano, La Sapienza University of Rome / Ivan Šupić, Université de Genéve / Joseph Bowles, Institute of Photonic Sciences-ICFO / Gonzalo Carvacho, La Sapienza University of Rome / Daniel Cavalcanti, Institute of Photonic Sciences-ICFO / Fabio Sciarrino, La Sapienza University of Rome

We demonstrate that LDPC-coded squeezed-displaced-states-based QPSK has better tolerance to background noise and significantly outperforms corresponding coherent states-based counterpart. For average number of thermal photons 0.3, for LDPC-code of rate 0.8, the improvement is >3 dB.Authors: Ivan Djordjevic, University of Arizona

We design a quantum joint-detection receiver for binary-phase-shift-keyed optical communications using belief propagation with quantum messages. For an exemplary tree code, the receiver attains the block-Helstrom limit in discriminating the codewords and achieves superadditive capacity.Authors: Narayanan Rengaswamy, University of Arizona / Kaushik Seshadreesan, University of Arizona / Saikat Guha, University of Arizona / Henry Pfister, Duke University

Graphene exhibits a strong nonlinear-optical refractive response to light pulses, but its impact on the pulses’ spatiotemporal evolution is challenging to analyze and predict. We solve this issue using non-perturbative calculations and spectral broadening experiments.Authors: Nathalie Vermeulen, Vrije Universiteit Brussel / Hugo Thienpont, Vrije Universiteit Brussel / David Castello-Lurbe, Vrije Universiteit Brussel

We experimentally demonstrate that hybrid graphene/ SiGe waveguides could effectively enhance the mid-infrared supercontinuum bandwidth. Through impacting the supercontinuum dynamics, graphene could provide unique opportunities to control the supercontinuum performance of mid-IR chip-based devices.Authors: Pierre Demongodin, Institut des nanotechnologies de Lyon / Rémi Armand, Institut des nanotechnologies de Lyon / Milan Sinobad, Institut des nanotechnologies de Lyon / Alberto Della Torre, Institut des nanotechnologies de Lyon / Jean-Michel Hartmann, CEA-Leti / Vincent Reboud, CEA-Leti / Jean-Marc Fedeli, CEA-Leti / Christian Grillet, CEA-Leti / Christelle Monat, Institut des nanotechnologies de Lyon

By observing a pronounced splitting in the second harmonic signal, we report the first experimental investigation of the nonlinear properties of a strongly coupled system consisting of a WSe2 monolayer and a single gold nanorod.Authors: Chentao Li, Emory University / Xin Lu, Emory University / Ajit Srivastava, Emory University / S. David Storm, University of Maryland, Baltimore County / Rachel Gelfand, University of Maryland, Baltimore County / Matthew Pelton, University of Maryland, Baltimore County / Maxim Sukharev, Arizona State University / Hayk Harutyunyan, Emory University

A nanowire array decorated with plasmonic resonators acts as optically bistable device. The optical properties of this metamaterial exhibit hysteresis and bistability when it is driven by a piezo actuator across its mechanical resonance frequency.Authors: Domitrios Papas, University of Southampton / Jun-Yu Ou, University of Southampton / Eric Plum, University of Southampton / Nikolay Zheludev, University of Southampton

We study optical thermalization dynamics in integrated photonic coupled-cavity arrangements on a Si3N4 platform. We show that isolated photonic bandgap modes can reach positive or negative temperatures that can be predicted effortlessly using optical thermodynamics.Authors: Babak Bahari, University Southern California / Jae-Hyuck Choi, University Southern California / Sepehr Ahmadzadeh, University Southern California / Pawel Jung, University of Central Florida / Fan Wu, University of Central Florida / Demetrios Christodoulides, University of Central Florida / Mercedeh Khajavikhan, University of Central Florida

Collective lattice effects in metasurfaces can result in very high quality factors. Here we present our recent results in utilizing such effects to realize more efficient and novel nonlinear metasurfaces, such as all-optical metasurface switches.Authors: Mikko Huttunen, Tampere University / Orad Reshef, University of Ottawa / Jussi Kelavuori, Tampere University / Timo Stolt, Tampere University / Heikki Rekola, University of Eastern Finland / Petri Karvinen, University of Eastern Finland / Tommi Hakala, University of Eastern Finland / Robert Boyd, University of Ottawa / Ksenia Dolgaleva, University of Ottawa

Metaholograms suffer from imaging coherent artifacts originating from the electromagnetic cross-talk and defects of nanoscale features. Here, we introduce an efficient method to remove the artifacts by precisely fine-tuning the spatial coherence of illumination.Authors: Yaniv Eliezer, Yale University / Geyang Qu, Harbin Institute of Technology / Wenhong Yang, Harbin Institute of Technology / Yujie Wang, Harbin Institute of Technology / Hasan Yilmaz, Yale University / Shumin Xiao, Harbin Institute of Technology / Qinghai Song, Harbin Institute of Technology / Hui Cao, Yale University

We study active metasurfaces composed of arrays of split-nanodisk resonators made of InGaAs slab with embedded InGaAsP quantum wells. We demonstrate lasing from high-Q localized anapole modes with high coherence, narrow linewidth, and low threshold.Authors: Aditya Tripathi, Australian National University / Sergey Kruk, Australian National University / HA-REEM KIM, Korea University / Hong-Gyu Park, Korea University / Mikhail Rybin, ITMO University / Yuri Kivshar, Australian National University

We experimentally demonstrate a transmissive metasurface providing broadband negative group delay dispersion applicable in the visible to near-infrared region. The metacompressor can compress ultrashort laser pulses or compensate the dispersion of up to 4-mm-thick fused silica.Authors: Marcus Ossiander, Harvard University / Yao-Wei Huang, Harvard University / Wei-Ting Chen, Harvard University / Zhenhao Wang, TU Graz / Yousef Ahmed Ibrahim, Harvard University / martin schultze, TU Graz / Federico Capasso, Harvard University

Dielectric metasurface-based artificial pixels are promising candidates for developing flat, flexible, and/or wearable displays. In this work, we have demonstrated the silicon nitride metasurfaces with the function of structural colors and also lasing nanodevices.Authors: Jhen-Hong Yang, National Chiao-Tung University / Kuo-Ping Chen, National Chiao-Tung University

The ultra-thin high-refractive-index nanostructures can be designed for amplitude and phase modulation in light-emitting devices. We analyze the gallium arsenide nanopillars to establish a guideline for the desired phase modulation in the metasurfaces.Authors: Vahid Karimi, University of New Mexico / Viktoriia Babicheva, University of New Mexico

The polarization states of a resonator made of anisotropic mirrors are shown to coalesce into a single eigenstate at the exceptional point and to eliminate spatial hole burning, thereby promoting single mode laser operation.Authors: Jean-Francois Bisson, Universite de Moncton / Yves Christian Nonguierma, Universite de Moncton

We design and experimentally test a new type of non-local metasurfaces allowing multiple independent functions at large deflection angles and we use it to demonstrate external cavity lasers with advanced beam shaping functions.Authors: Christina Spaegele, Harvard University / Michele Tamagnone, Harvard University / Dmitry Kazakov, Harvard University / Marcus Ossiander, Harvard University / Marco Piccardo, Istituto Italiano di Tecnologia / Federico Capasso, Harvard University

To be providedAuthors: Ryan Shelton, PhotoniCare Inc.

A compact laser-based optical sensor for continuous in-airway monitoring of oxygen at high sampling rate is designed and tested for future use in a clinical setting.Authors: Charles Patrick, Princeton Unviersity / Jonas Westberg, Princeton Unviersity / Gerard Wysocki, Princeton Unviersity

Using Ebola protein as a target antigen biomarker, a plasmonic nanoparticle based colorimetric assay is designed with a portable optoelectronic readout, showing ~40 pM limit of detection within minutes and at a high specificity.Authors: Xiahui Chen, Arizona State University / Shoukai Kang, University of Washington / zhi zhao, Beijing University of Technology / Ashif Ikbal, Arizona State University / Jiawei Zuo, Arizona State University / Yu Yao, Arizona State University / Liangcai Gu, University of Washington / Chao Wang, Arizona State University

We present a light-intense optical device for high-speed measurement of pupil size at 1000 fp/s with automatic focusing by software edge contrast measurement and focus tracking using a liquid lens within one secondAuthors: Mario Hesker, RWTH Aachen University TOS / Cailing Fu, RWTH Aachen University TOS / Matthias Heinrichs, Stellar DBS GmbH / Jochen Stollenwerk, RWTH Aachen University TOS / Peter Loosen, RWTH Aachen University TOS

We have recently demonstrated flexible Parylene photonic waveguides with embedded micromirrors. Here, the out-of-plane beam profile of the micromirrors is characterized using a combination of simulation and experiments.Authors: Jay Reddy, Carnegie Mellon University / Mohammad Malekoshoaraie, Carnegie Mellon University / Maysamreza Chamanzar, Carnegie Mellon University

We report the quantification of lysozyme in tear fluid using contact lenses and a mobile-phone well-plate reader. We observed significantly lower lysozyme levels in human participants with dry eye disease compared to healthy controls.Authors: Zach Ballard, University of California Los Angeles / Sarah Bazargan, University of California Los Angeles / Diane Jung, University of California Los Angeles / Shyama Sathianathan, University of California Los Angeles / Ashley Clemens, University of California Los Angeles / Daniel Shir, University of California Los Angeles / Saba Al-Hashimi, Stein Eye Intstitute / Aydogan Ozcan, University of California Los Angeles

Absorption spectroscopy is demonstrated with microfluidic devices using collimating graded-index fibers. The optofluidics setup allows for absorption measurements to be performed with 10x smaller volumes than for standard cuvettes but with comparable sensitivity.Authors: Nicolas Riesen, University of South Australia / Kamalpreet Gill, University of South Australia / Craig Priest, University of South Australia / Nicholas Phillips, University of South Australia / Bin Guan, University of South Australia / David Lancaster, University of South Australia

Avalanche ionization is shown to be the dominant carrier generation mechanism in the ultrafast ablation of transition metal dichalcogenides. Carrier densities reaching 22% of the total valence band population are needed for ablation to occur.Authors: Joel Solomon, UNCC / Hsin-Yu Yao, National Tsing Hua University / Li-Syuan Lu, National Chiao Tung University / Wen-Hao Chang, National Chiao Tung University / Tsing-Hua Her, UNCC / Chih Wei Luo, National Chiao Tung University

We demonstrate the creation of permanent, localized strain structures in hBN with a phonon-resonant femtosecond laser at 7.3 µm. We spatially resolve the strain profile of the resulting micron-scale bubbles using Raman and AFM measurements.Authors: Cecilia Chen, Columbia University / Jared Ginsberg, Columbia University / Samuel Moore, Columbia University / M. Jadidi, Columbia University / Baichang Li, Columbia University / Sang Hoon Chae, Columbia University / Kenji Watanabe, National Institute for Materials Science / Takashi Taniguchi, National Institute for Materials Science / James Hone, Columbia University / Dmitri Basov, Columbia University / Alexander Gaeta, Columbia University

5D optical data storage is realized in fused silica based on ultralow-loss birefringent nanopores (type X modification) by femtosecond laser writing. A book was recorded in 4-bit voxels with nearly 100% readout accuracy.Authors: Huijun Wang, University of Southampton / Yuhao Lei, University of Southampton / Lei Wang, University of Southampton / Masaaki Sakakura, University of Southampton / Yanhao Yu, University of Southampton / Xin Chang, University of Southampton / Gholamreza Shayeganrad, University of Southampton / Peter Kazansky, University of Southampton

Propagating acoustic wave on the piezoelectric substrate carries strong piezoelectric field which can interact with the interlayer exciton in the MoSe2/WSe2 heterostructures. We observe GHz acoustic wave modulates the intensity of photoluminescence and induces a blue shift of emission energy.Authors: Ruoming Peng, University of Washington / Jiayi Zhu, University of Washington / Xiaodong Xu, University of Washington / Mo Li, University of Washington

We demonstrate dispersive coupling between the neutral exciton in monolayer MoSe2 and a zero-dimensional, small mode volume nanocavity with an estimated exciton cavity coupling of ∼ 4:3 meV and a cooperativity of C ∼ 3:4.Authors: David Rosser, University of Washington / Dario Gerace, Universita di Pavia / Yueyang Chen, University of Washington / Yifan Liu, University of Washington / James Whitehead, University of Washington / Albert Ryou, University of Washington / Lucio Andreani, Universita di Pavia / Arka Majumdar, University of Washington

We study thermalization of exciton-polaritons in 2D hybrid organic-inorganic perovskites strongly coupled to a planar microcavity. The integrated PL exhibits a bottleneck effect and the extracted lattice temperature shows cooling behavior of up to 35 meV.Authors: Prathmesh Deshmukh, City University of New York / Mandeep Khatoniar, City University of New York / Lianfeng Zhao, Princeton University / Barry P. Rand, Princeton University / Vinod Menon, City University of New York

We present a wideband acousto-optic modulator on a suspended thin-film lithium niobate where both light and acoustic waves are guided simultaneously. The modulator has a center frequency of 1.9 GHz and bandwidth of 70 MHz.Authors: Ahmed Hassanien, University of Illinois at Urbana Champaign / Edmond Chow, University of Illinois at Urbana Champaign / Steffen Link, University of Illinois at Urbana Champaign / Yansong Yang, University of Illinois at Urbana Champaign / Lynford Goddard, University of Illinois at Urbana Champaign / Songbin Gong, University of Illinois at Urbana Champaign

I will introduce a new concept of synthetic chiral light, which is chiral already in the dipole approximation, and show how structuring its handedness in space can lead to new extremely efficient enantio-sensitive optical observables.Authors: Olga Smirnova, Max Born Institute

We demonstrate real-time quantum random number generation using an integrated silicon nitride coupled-ring-resonator-based degenerate optical parametric oscillator (DOPO). We achieve fast DOPO turn-on/off via dynamic modulation of the cavity decay time using integrated heaters.Authors: Yoshitomo Okawachi, Columbia University / Bok Young Kim, Columbia University / Yun Zhao, Columbia University / Xingchen Ji, Columbia University / Michal Lipson, Columbia University / Alexander Gaeta, Columbia University

A novel optical computing framework by harnessing spatiotemporal nonlinear effects of multimode fibers for machine learning is presented. With linear and nonlinear interactions of the spatial fiber modes, a brain-inspired computation engine is experimentally realized.Authors: Ugur Tegin, Ecole Polytechnique Federale de Lausanne / Mustafa Yildirim, Ecole Polytechnique Federale de Lausanne / Ilker Oguz, Ecole Polytechnique Federale de Lausanne / Christophe Moser, Ecole Polytechnique Federale de Lausanne / Demetri Psaltis, Ecole Polytechnique Federale de Lausanne

We develop a comprehensive model to simulate random quasi-phase-matched frequency conversion in polycrystalline media, and present simulations which shed light on the mechanisms of supercontinuum generation and the properties of generated radiation in zinc-blende materials.Authors: Jiahui Gu, University of Arizona / Sergey Vasilyev, IPG Photonics – Southeast Technology Center / Mike Mirov, IPG Photonics – Southeast Technology Center / Miroslav Kolesik, University of Arizona

Supercontinuum generation in microstructured optical fiber with CS2 as a core-material is presented. The sample provides a new dispersion landscape with the zero-dispersion-wavelength approaching telecommunication wavelengths allowing for intense nonlinear frequency broadening across near-infraredAuthors: Saher Junaid, Leibniz institute of Photonics technology / Bierlich Jörg, Leibniz institute of Photonics technology / Alexander Hartung, Leibniz institute of Photonics technology / Mario Chemnitz, Institut national de la recherche scientifique / Markus Schmidt, Leibniz institute of Photonics technology