bluuebunny/crossref_metadata_2025 huggingface dataset:
Temperature Measurement Range Changeability of Ethernet-based Optical Fiber Sensing System Using an Optical Attenuator
Authors: Imada Atsuki , Kanzaki Nana , Koyama Osanori , Suzuki Yuta , Nagatani Yuki , Ikeda Kanami , Yamada Makoto
Published: October 2021

We propose a cost-effective method for temperature measurement range changing of the Ethernet-based optical fiber sensing system, and also show experimental results about the temperature measurement range changeability with a variable optical attenuator.
On-chip high-sensitivity ultrasound detector based on the high-Q bound states in the continuum in chalcogenide glass photonic crystal slab
Authors: Feng Yaoming , Wan Lei , Feng Tianhua , Zhu Ying , Pan Jingshun , Li Qiang , Chen Zhenshi , Li Zhaohui
Published: October 2021

We present a novel on-chip ultrasound detector based on the high-Q bound states in the continuum (BIC) in the chalcogenide glass photonic crystal slab (ChG-PCS) with high sensitivity of 84.9 pm · MPa
−
1 and 3-dB bandwidth of 670 MHz.
A high resolution disordered dispersion imaging spectrometer
Authors: Zhao X. Y. , Kuang Y. , Peng J. X. , Huang W. , Ho H. P. , Yi M. D. , Yang T.
Published: October 2021

By using a frosted glass plate and a stepper motor, we demonstrate a miniature imaging spectrometer design that covers a broad wavelength range from visible to infrared with high resolution.
Local oscillator-less QPSK signal detection using direct detection and fractional Fourier transform
Authors: Kamikawa Ryohei , Yamasaki Yu , Konishi Tsuyoshi
Published: October 2021

We numerically demonstrate the QPSK signal detection using fractional Fourier transform without a local oscillator and balanced-detectors. Non-rotationally symmetric modulation patterns can be distinguished and the BER becomes less than 10-6, below the FEC limit.
Photonic Integration Based on Si Photonics and Photonic Crystals
Authors: Baba Toshihiko
Published: October 2021

We have developed photonic crystal slow-light devices and photonic integration. Inverse design and compatibility to Si CMOS foundry process enable practically low loss components and demonstrations of LiDAR and high-speed modulator.
A microwave photonic phase detector based on a dual-polarization dual-drive Mach-Zehnder modulator
Authors: Shao Kunlin , Liu Shuo , Gao Penghui , Zhang Yamei , Pan Shilong , Fu Jianbin , Zhang Xinben , Liu Tao
Published: October 2021

A microwave photonic phase detector is proposed to synchronize a microwave to a mode-locked laser. The phase noise of an 8.058-GHz signal is improved by more than 40 dB at 1-Hz offset frequency.
400G LR4 and 100G CWDM Transmission Over 1x4 Linear Array Multicore Fiber with 125-µm Cladding
Authors: Li Kangmei , Chen Xin , Bennett Kevin W. , Butler Douglas L. , Johnson Stephen , Dong Hao , Li Ming-Jun
Published: October 2021

A 1×4 linear array multicore fiber with 125-µm cladding was fabricated. We have demonstrated 400G LR4 and 100G CWDM error-free transmission over 2.5 km of such fiber with 1Tb/s total data rate.
Noise Compensation for a Nonlinear Six-mode Fiber Channel through Self-Recycling Training Equalizer
Authors: Zhao Tianfeng , Wen Feng , Li Fengsheng , Wu Baojian , Fan Feng , Qiu Kun
Published: October 2021

A self-recycling training equalizer is thoughtfully investigated in a 2.4Tbit/s PDM-16-QAM nonlinear spatial-division multiplexing (SDM) transmission system, achieving the signal-to-noise ratio (SNR) improvement of up to 8.26dB with a 62.96% reduction of the training data.
Deep-reinforced impairment-aware dynamic resource allocation in nonlinear elastic optical networks
Authors: Shi Chenglin , Zhu Min , Gu Jiahua , Shen Tianyu , Ren Xueqi
Published: October 2021

This paper proposed a dynamic resource allocation scheme in nonlinear elastic optical networks based on deep reinforcement learning, which achieves significant blocking probability reductions of more than 44.1% compared with baseline algorithms.
Real Time Optical Label System for Coherent Optical Wavelength Division Multiplexing Networks
Authors: Zhang Xu , Yang Chao , Luo Ming , Meng Lingheng , Jiang Feng , He Zhixue
Published: October 2021

We experimentally demonstrate a real-time optical label system for coherent optical WDM networks. The experimental result verifies that 10×100G DP-QPSK signal with 24-bits label data per wavelength can be transmitted over 480-km SSMF.
Flexible-rate Photonic-aided Wireless Transmission System at 101-GHz Based on Multi-Band CAP-PAM Modulation
Authors: Li Qinru , Zhang Jiao , Zhu Min , Zhou Qingyi , Xu Weiliang , Zou Yucong , Wang Jikuan , Liu Xiang , Hua Bingchang , Lei Mingzheng , Cai Yuancheng , Li Aijie , Tong Weidong
Published: October 2021

We experimentally demonstrated the first cost-efficient flexible-rate THz wireless transmission system at 101 GHz based on multi-band CAP-PAM modulation and envelope detection. The aggregate data rate of 8.49 Gb/s can be obtained with 4-sub-bands CAP-PAM modulation.
Low-Loss Large-MFD Fibers with G.657.A2 Compliant Macro Bending Performance
Authors: Takeuchi Shugo , Aiso Keiichi , Otani Hiroki , Mukasa Kazunori , Arashitani Yoshihiro
Published: October 2021

Bend-insensitive fibers corresponding ITU-T G.657.A2 category were realized keeping low attenuation loss of ≃0.18 dB/km and large MFD of ~9 µm at 1310 nm. We also confirmed other properties also meet G.657 requirements.
Single-Mode Fiber Metalenses based on Dielectric Nanopillars
Authors: Qu Jiaqi , Zhao Qiancheng , Yu Changyuan
Published: October 2021

We demonstrate Si-metalenses integrated on the end facet of a single-mode fiber operating at 1550 nm with a high focusing efficiency of 73.0%. The focusing effect of nanopillar arrays with varying materials is discussed.
Mode tailoring in metasurface and achromatic application
Authors: Xi Kelei , Ma Ling , Zhuang Songlin , Cheng Qingqing
Published: October 2021

The phase responses of the adopted resonating meta-atoms typically exhibit Lorentz-like frequency dispersion, therefore such metadevices can usually work only at a narrow band frequency.We design and fabricate a metasurface composed of silicon posts for the terahertz frequencies in transmission mode, and realize achromatic Airy beams and focusing.
Bifunctional Fiber Meta-Tip for Polarization-Selective Optical Interconnect
Authors: Zhou Changyi , Lee Woo-Bin , Gao Song , Li Hongliang , Park Chul-Soon , Choi Duk-Yong , Lee Sang-Shin
Published: October 2021

Bifunctional beam manipulation, including vortex generation and beam collimation, is achieved by tailoring the phase profiles encoded in the fiber meta-tip (FMT). A pair of FMTs are combined to establish an efficient polarization-selective optical interconnect.
Temperature-Insensitive Glucose sensor with Fiber Ring Laser inserted by 45° Tilted Fiber Bragg Grating
Authors: Liu Yibin , Lin Weihao , Shao Liyang , Shum Perry , Niu Minghui
Published: October 2021

A temperature insensitive glucose sensor has been presented by narrow band fiber ring laser with 45° tilted fiber Bragg grating. The sensitivity has attained 34.3μm/mM at 0-30 mM and R2 reached to 0.999.
Assessing Capacity of FIFO-less Multicore Fiber Transmission in Submarine Cable Systems
Authors: Wakayama Yuta , Elson Daniel , Takahashi Hidenori , Yoshikane Noboru , Tsuritani Takehiro
Published: October 2021

We propose an all multicore fiber transmission system removing fan-in/fan-out devices from inline amplifiers. The cable capacity can be improved by > 100% over a single-core fiber transmission system under a 24 fiber pair limit.
Low-Complexity Nonlinear Electrical Equalization for Directly Modulated Laser-based Transmission Systems
Authors: Yu Yukui , Kim Hoon
Published: October 2021

We present low-complexity nonlinear equalizers designed for directly modulated laser-based transmission systems. Their bit-error ratio performance and the implementation complexity are evaluated in comparison with those of Volterra equalizers.
Pilot Symbol-Free Iterative Optical Field Reconstruction for Power Fading Mitigation in Short-Reach IM-DD Links
Authors: Zhu Yixiao , Zhang Lei , Fang Xiansong , Zhang Fan , Hu Weisheng
Published: October 2021

We demonstrate pilot symbol-free iterative optical field reconstruction based on modified Gerchberg-Saxton (GS) algorithm for power fading mitigation in IM-DD links. 45Gbaud PAM-4 is experimentally transmitted over 20km SSMF without dispersion compensation.
Asynchronous Visible Light Positioning Based on Orthogonal Pseudo-Random Codes
Authors: Liu Zhongxu , You Xiaodi , Wei Zixian , Wang Zhaoming , Li Mutong , Chen Jian , Fu H. Y. , Yu Changyuan
Published: October 2021

We propose an asynchronous visible light positioning (VLP) scheme based on a new orthogonal pseudo-random code (OPRC). High VLP accuracy up to 4 cm can be achieved with no need for synchronization among transmitters.
Evaluation of a 1×8 Photonic Integrated WDM Wavelength Selective Switch for Optical Data Center Networks
Authors: Prifti Kristif , Tessema Netsanet , Shi Bin , Zali Aref Rasoulzadeh , Kleijn Steven , Augustin Luc , Stabile Ripalta , Calabretta Nicola
Published: October 2021

We experimentally evaluate an InP 1×8 photonic integrated wavelength selective switch based on SOA optical gates. Results show error-free operation with a limited penalty at 10 and 40 Gb/s NRZ-OOK, on-chip gain >7 dB and cross-talk <−45 dB.
Generative Adversarial Network-based Channel Modeling for Free-Space Optical Communication
Authors: Chen Wenbin , Wang Danshi , Wang Dongdong , Song Yuchen , Li Jin , Zhang Min
Published: October 2021

Two deep learning-based differentiable models based on GAN and BiLSTM are proposed for FSO channel modeling. Through contrastive analysis, it shows that GAN is more suitable for learning FSO channel distribution with KL divergence<0.55.
A Bidirectional 256-Gb/s PAM4 Fiber-FSO Converged System
Authors: Chen Yu-Ting , Ling Yan-Yu , Ko Ting , Chang Poh-Suan , Liu Chen-Xuan , Li Chung-Yi , Lu Hai-Han
Published: October 2021

A bidirectional 256-Gb/s PAM4 fiber-FSO converged system employing injection-locked VCSELs with polarization-multiplexing mechanism is constructed. This bidirectional fiber-FSO converged system is prominent due to its development for providing high downlink/uplink transmission rate with qualified performances.
Joint Scrambler and Filter for Outdoor 70 m Duplex Visible Light Communication System Providing Robustness to Solar Irradiance
Authors: Xu Weishu , Zhang Min , Han Dahai , Chen Qiguan
Published: October 2021

We demonstrated an outdoor 70 m duplex portable visible-light-communication (VLC) system. Reliable communications above 8 Mbps is achieved using joint scrambler and filter scheme under the effect of solar irradiance with a bit-error-rate of 3.2×10-6.
Channel Modeling for Ground-to-UAV Free-Space Optical Communication Systems
Authors: Wenjing Guo , Ziyuan Shi , Yueying Zhan , Lei Yang
Published: October 2021

We improve the channel model of Ground-to-UAV links by tightening the boundary conditions of channel loss factor related to pointing errors. Analytical expression of outage probability is derived. Numerical results agree with the theoretical derivations.
Optical Characterization of Installed Step-Index Profile Standard Cladding Multi-Core Fiber with Multiconnection
Authors: Soma Daiki , Beppu Shohei , Takahashi Hidenori , Miyagawa Yuichi , Yoshikane Noboru , Tsuritani Takehiro
Published: October 2021

We evaluated the insertion loss, core-to-core crosstalk, and transmission performance of a step-index profile 4-core fiber (SI-4CF) with multiple connections using installed SI-4CF optical cables in aerial areas and underground conduits for practical deployment.
Multi-fiber connection technique employing solid refractive index matching material
Authors: Abe Yoshiteru , Koyama Ryo , Katayama Kazunori
Published: October 2021

We propose a connection structure that combines a perpendicular ferrule and solid refractive index matching material that can solve the problem of increased difficulty in connector design and manufacturing when more fibers need are connected.
An Ultra-Short and Broadband Dual-Core Photonic Crystal Fiber Polarization Beam Splitter with a Gold Film Based on the Surface Plasmon Resonance Effect
Authors: Qu Yuwei , Yuan Jinhui , Qiu Shi , Zhou Xian , Yan Binbin , Wu Qiang , Wang Kuiru , Sang Xinzhu , Long Keping , Yu Chongxiu
Published: October 2021

An ultra-short and broadband dual-core photonic crystal fiber polarization beam splitter with a gold film based on surface plasmon resonance effect is proposed. The splitter length and bandwidth are 194 μm and 243 nm, respectively.
Metasurface on silicon photonics for beam steering and focusing
Authors: Hsieh Ping-Yen , Zhao Yi , Hsu Chung-Yu , Shin Min Chul , Phare Christopher T. , Miller Steven A. , Shim Euijae , Lipson Michal , Chang You-Chia
Published: October 2021

We demonstrate a platform of metasurface on silicon photonics to exploit both the guided and radiative modes. We report examples including waveguide-fed metalenses, mode size converters for millimeter-size emission, and compact 2D beam steerers.
Mode Converters of High Order Core Mode Coupling Based on Long-Period Fiber Gratings
Authors: Ma Yuehui , Jiang Chen , Zhao Xinyi , Liu Zuyao , Liu Yunqi
Published: October 2021

Long-period fiber grating was fabricated in six mode fiber by CO2 laser to realize mode conversion from LP11 mode to LP21 and LP02 modes with high efficiency. The second-order orbital angular momentum mode was generated.
Anti-phase Dual Wavelength Phase Demodulation for Extrinsic Fabry-Perot Interferometric Sensors
Authors: Zhang Wanjin , Lu Ping , Qu Zhiyuan , Liu Deming
Published: October 2021

We report an anti-phase dual wavelength phase demodulation to overcome drawback of traditional dual wavelength method such as unable to interrogate signals with small amplitude. Our method shows good linearity and excellent repeatability.
Self-synchronized ultrafast temporal-spectral characterization system for revealing soliton dynamics
Authors: Cao Yulong , Gao Lei , Dang Laiyang , Huang Jingsheng , Wu Qiang , Huang Ligang , Zhu Tao
Published: October 2021

Utilizing the Raman soliton frequency shift based time magnifier and dispersion Fourier transform based spectral analyzer, we demonstrate a self-synchronized ultrafast temporal-spectral characterization system with resolution of 160 fs and 0.05 nm.
Optimization on integrated Fourier transform spectrum analyzer for optical performance monitoring
Authors: Luo Huaijian , Huang Zhuili , Yu Changyuan
Published: October 2021

We optimize the number and delays of MZIs in Fourier transform spectrum analyzer for optical performance monitoring. We find it gets good performance when MZI number is 3 and delays are 12ps, 18ps, and 31ps.
The Impact of Probabilistic Constellation Shaping on Channel Equalization with Constant Modulus Algorithm
Authors: Yan Qifeng , Guo Changjian , Hong Xuezhi
Published: October 2021

Analytical study shows that the convergence of constant modulus algorithm is related to the kurtosis of probabilistically shaped constellations. Monte-Carlo simulation verifies a large SNR penalty is incurred by shaping when the kurtosis approaches 2.
Digital Resolution Enhancer in PS-256QAM Transmission
Authors: Jin Taowei , Bai Linchangchun , Hu Shaohua , Zhang Jing , Shu Liang , Wang Liuzhu , Yu Zhenming , Qiu Kun
Published: October 2021

We experimentally demonstrate the digital resolution enhancing (DRE) and clipping techniques into low-quantization-resolution probabilistically-shaped 256-QAM coherent optical transmission systems for the first time. The BER is decreased half order of magnitude with DRE combined clipping scheme.
An Efficient Approach for Placing Distributed Fiber Optic Sensors with Concurrent Sensing Capability
Authors: Ye Zilong , Ji Philip N. , Wang Ting
Published: October 2021

We propose an efficient approach for placing distributed fiber optic sensors (DFOS) with concurrent sensing capability. It consumes 5.7% to 9.5% fewer sensors than that using DFOS without concurrent sensing, for covering the same network.
Reinforcement Learning Based Joint Allocation Scheme in a TWDM-PON Based mMIMO Fronthaul Network
Authors: Cheng Yuansen , Chan Chun-Kit
Published: October 2021

We propose a reinforcement-learning based joint allocation algorithm for TWDM-PON based mMIMO fronthaul network. By adopting the combined Pointer Network and Actor Critic algorithm, we realize superior performance in resource block and wavelength utilization efficiencies.
A Reinforcement Learning Based Computing Task Offloading Scheme in Incompletely Expanded C+L-Band Metro Optical Networks
Authors: Liu Lihao , Yin Shan , Yang Chen , Zhang Wei , Wang Zhenhao , Huang Shanguo
Published: October 2021

Aiming at computing task offloading, this paper proposes a low-cost C+L-band expansion scheme for metro optical network and proposes a DQN task offloading scheme, which keeps low latency and blocking probability in the proposed architecture.
Topological Mapping based Failure Recovery in Multi-domain Quantum Key Distribution Networks
Authors: Zou Jie , Liu Yuang , Shi Zhuoying , Liu Ruoxuan , Zhang Xiaowen , Li Xinyang , Yu Xiaosong , Zhao Yongli
Published: October 2021

This paper proposes a topological mapping based failure recovery algorithm in multi-domain quantum key distribution networks. Simulation results show that the algorithm can achieve good performance in terms of success rate of service recovery under multi-concurrent failures.
Anomaly Detection Based on Correlative Prediction for Elastic Optical Network
Authors: Wan Yu , Yang Hui , Yao Qiuyan , Bao Bowen , Li Chao , Zhang Jie
Published: October 2021

This paper proposes an anomaly detection scheme based on correlative prediction for elastic optical networks. The scheme calculates the correlation between multi-dimensional indicators and uses the LSTM algorithm to predict anomalies that may occur in the future.
Imbalanced Digital Back Propagation for Nonlinear Optical Fiber Transmissions
Authors: Jin Taowei , Yi Xingwen , Huang Xiatao , Zhang Jing , Li Fan , Qiu Kun
Published: October 2021

We propose imbalanced digital back propagation (iDBP) that uses a varying power map in the virtual link. We derive the closed-form SNR expressions and conduct an experimental demonstration, showing the improved performance over canonical DBP.
Experimental Demonstration of 80-Gb/s DSB OOK Signal Transmission Over 100-km SSMF with Simplified Volterra Based DFE
Authors: Zhu Mingyue , Zhang Jing , Liu Qun , Xu Bo , Yi Xingwen , Yu Zhenming , Zhang Peng , Qiu Kun
Published: October 2021

We experimentally demonstrate an 80-Gb/s OOK signal transmission over 100-km SSMF with a simplified Volterra based DFE (VDFE). The proposed VDFE mitigates the power fading and reduces 54.7% calculation complexity.
Feasibility of 25Gb/s MWDM Transmission Over a 15-km G652.D Compliant Fiber for 5G Fronthaul Networks
Authors: Chen Xin , Li Kangmei , McCool Roshene A. , Chen Hao , Dong Hao , Patel Simit M. , Hurley Jason E. , Stone Jeffery S. , Bickham Scott , Li Ming-Jun
Published: October 2021

We conducted detailed analysis and experimentally demonstrated the feasibility of using a G652.D compliant fiber to meet 15-km transmission requirements for 25G MWDM transmission without requiring a new type of fiber for 5G fronthaul networks.
Integrated Photonic Sources and Circuits in Lithium Niobate Platform
Authors: Lin Yi-Xin , Lee Chieh-Hsun , Chung Hung-Pin , Younesi Mohammadreza , Kumar Pawan , Wang Kai , Bernard Olivier , Shirpurkar Chinmay , Su Wen-Chiuan , Geiss Reinhard , Pertsch Thomas , Sukhorukov Andrey , Setzpfandt Frank , Chen Yen-Hung
Published: October 2021

Lithium niobate (LN) is a promising and versatile material platform for implementing various elements essential for realizing integrated photonic technology. We report on integrated entangled photon-pair sources and adiabatic coupler circuits built in bulk/thin-film LN.
Optical Phase Conjugation Characterization in a Polarization-selected Orthogonal-pumped SOA Subsystem
Authors: Sun Fan , Wen Feng , Yang Feng , Wu Baojian , Ling Yun , Qiu Kun
Published: October 2021

We thoughtfully investigate the optical phase conjugation (OPC) process in a polarization-selected orthogonal-pump semiconductor optical amplifier (PSOP-SOA) subsystem, enabling error-free signal conversion with the optical signal-to-noise ratio (OSNR) of up to 16dB.
High-gain Erbium-doped Waveguide Amplifier on LNOI Platform
Authors: Cai Minglu , Xiang Junmin , Wu Kan , Chen Jianping
Published: October 2021

We demonstrate an efficient erbium-doped waveguide amplifier based on lithium niobate thin film. With a 2.8 cm-long waveguide amplifier, optical signal at 1531.6 nm can achieve a maximum total gain of 24.8 dB.
Simultaneous Kerr Comb and Efficient Second-Harmonic Generation in a LNOI Microring Resonator Through Dispersion Engineering
Authors: Zhang Xiangxiu , Sun Changzheng , Xiong Bing , Hao Zhibiao , Wang Jian , Wang Lai , Han Yanjun , Li Hongtao , Luo Yi
Published: October 2021

A deeply etched LNOI microring resonator with conformal SiO2 cladding is proposed to achieve both a small anomalous dispersion required for Kerr comb generation and modal phase matching for efficient second harmonic generation simultaneously.
Scalability of A-RoF Based Mobile Fronthaul Toward Beyond-5G
Authors: Nishimura Kosuke , Ishimura Shota , Kao Hsuan-Yun , Tanaka Kazuki , Inohara Ryo
Published: October 2021

This paper first reviews several trial demonstrations during these several years, in which A-RoF and related transmission schemes are applied to 5G mobile communication system. Based on the results, the scalability toward Beyond-5G are discussed.
High-efficiency Brillouin-Erbium Random Fiber Laser via Distributed Random Feedback from a Weak FBG Array
Authors: Zhang Jilin , Qiu Zenghuan , Xiao Zhelan , Xie Haoran , Jiang Yikun , Pang Fufei , Zhang Liang
Published: October 2021

We demonstrated a high-efficiency random fiber laser based on hybrid gain mechanism of Brillouin and Erbium-doped fiber amplification as well as distributed random feedback from a weak FBG array.
Narrow Linewidth VCSEL based on Resonant Optical Feedback from an On-chip Microring Add-Drop Filter
Authors: Jiang Lidan , Shi Leilei , Luo Jing , Gao Qirui , Lan Tianyi , Huang Ligang , Zhu Tao
Published: October 2021

We demonstrate a single-longitudinal mode VCSEL with a Lorentzian linewidth of 32.6 kHz and a purified optical spectrum by injecting the resonant feedback from an on-chip microring add-drop filter with a quality-factor of 1.36 million.
50 Gb/s PAM-4 VCSELs operating up to 125°C
Authors: Aoki Takeshi , Kubota Ryosuke , Hiiro Hiroyuki , Yoshimoto Susumu , Yanagisawa Masaki
Published: October 2021

850-nm VCSELs are designed for high temperature operations. High bandwidth with a flat frequency response, low RIN and narrow spectral width enable 50 Gb/s PAM-4 up to 125°C, demonstrating the capability for harsh environment applications.
Comparison of SVM method for picking up the microseismic events collected by fiber-optic and electronic monitoring system
Authors: Wang Meng , Liu Fei , Li Yiqiang , Huo Jiahao , Yuan Jinhui , Zhou Xian
Published: October 2021

Based on three typical features, i.e. energy entropy, histogram distribution percentage and zero-crossing rate, we compared the classification accuracy of microseismic events between fiber-optic and electronic monitoring system using support vector machine.
Spatial Resolution Improvement of a Long Pulse BOTDA Sensor Using a Convolutional Neural Network
Authors: Ge Zhao , Shen Li , Wu Hao , Zhao Zhiyong , Tang Ming
Published: October 2021

A convolutional neural network is proposed to process Brillouin gain spectrum, enabling extract a spatial-resolution higher than the used pump pulse width determined theoretical spatial-resolution. A 0.5-m hotspot is accurately retrieved using 40-ns pump pulse.
Artificial intelligence in biophotonics and imaging: Advancing computational reconstruction and inference
Authors: Lam Edmund Y.
Published: October 2021

Computational imaging is a powerful paradigm benefiting from advances in both imaging hardware and computational algorithms. Artificial intelligence and learning-based methods have further expanded the arsenal of computational tools for image reconstruction and inference.
Rx DSP Algorithm for Transceiver IQ Imbalance Compensation in Coherent Optical OFDM System
Authors: Li Zibin , Luo Zhibin , Wang Xiaowu , Yin Mingzhu , Yi Xingwen , Sui Qi , Li Fan , Li Zhaohui
Published: October 2021

Receiver side DSP algorithm based on jointly GSOP and skew-compensation scheme is proposed to compensate transceiver IQ imbalances in DFT-S OFDM system. Verification of transceiver IQ imbalance compensation in optical OFDM systems is successfully demonstrated for the first time.
Low Complexity and Robust Pilot-aided Frequency Kalman Filter Scheme for Extreme Polarization Effects Equalization
Authors: Zhang Nannan , Zhang Xiaoguang , Zhang Qi , Cui Nan , Xi Lixia
Published: October 2021

Pilot-based Kalman filter scheme for extreme polarization effects equalization is investigated for coherent optical communication system. The equalization scheme reduces OSNR penalty and computational complexity.
Research on the switch of Q-switched mode-locking and continuous-wave mode-locking in an erbium-doped fiber laser based on SESAM
Authors: Wu Zheng , Wu Qianchao , Yao Yong , Yang Yanfu , Xu Ke , Tian Jiajun
Published: October 2021

We designed an erbium-doped fiber laser based on a semiconductor saturable absorber mirror. The switch of Q-switched mode-locking and continuous-wave mode-locking was obtained by adjusting the pump power.
High speed direct modulation of 1.3 μm grating assisted surface-emitting DFB laser with wide temperature operation
Authors: Luan Jing , Han Yu , Yang Sikang , Liu Deming , Zhang Minming
Published: October 2021

A 1.3 μm surface-emitting distributed feedback laser with second order grating and double section ridge waveguide has been proposed, which achieves threshold current as 14 mA, excellent single mode performance and high speed modulation rates.
Tunable ultra-narrow linewidth fiber laser based on distributed feedback
Authors: Dang Laiyang , Huang Ligang , Cao Yulong , Lan Tianyi , Zhu Tao
Published: October 2021

We propose a tunable ultra-narrow linewidth fiber laser based on the longitude-purification induced by the distributed feedback. Excellent wavelength-universality of the feedback structure makes the side-mode-suppression ratio remains over ~60 dB at each tuning channel.
Effects of a Weak Continuous Wave Trigger on Picosecond Pulse Pumped Supercontinuum Generation in Silicon Nitride Waveguide
Authors: Lin Kaibin , Li Qian
Published: October 2021

We numerically demonstrate a weak continuous wave trigger is an efficient way to improve the bandwidth and coherence of picosecond pulse pumped supercontinuum generation in silicon nitride waveguide, especially in the mid-infrared region.
Locating Abnormal Event with Ultrafast Speed by Using Edge Detection Method in BOTDA Sensing System
Authors: Liu Shang , Yang Guijiang , Zeng Keyan , Wang Liang , Tang Ming , Liu Deming
Published: October 2021

We demonstrate an edge detection method for ultrafast locating of the abnormal BFS change in BOTDA sensing system, which improves the speed of event locating by over 400 times when compared with conventional methods.
Aggregated 1.059 Tbit/s photonic-wireless transmission at 350 GHz over 10 meters
Authors: Zhang Hongqi , Zhang Lu , Wang Shiwei , Lu Zijie , Yang Zuomin , Liu Siqi , Pang Xiaodan , Zhang Xianmin , Yu Xianbin
Published: October 2021

We report on a multi-dimensional multiplexed THz photonic wireless communication system. A record aggregated net rate of 1.059 Tbit/s over a wireless distance of 10 m in the 350 GHz band is experimentally demonstrated.
Single-Lane 402 Gb/s PAM-8 IM/DD Transmission Based on a Single DAC and an O-Band Commercial EML
Authors: Hossain Md Sabbir-Bin , Wei Jinlong , Pittalà Fabio , Stojanović Nebojša , Calabrò Stefano , Rahman Talha , Wettlin Tom , Xie Changsong , Kuschnerov Maxim , Pachnicke Stephan
Published: October 2021

We demonstrate 402 Gb/s IM/DD transmission using a single DAC directly driving an O-band EML with PAM-8. Considering 15.31%-overhead SD-FEC, this yields to a record net bit rate of 348.62 Gbit/s over 2 km SSMF.
Enhanced All-optical Modulation in MoS2-coated Side-polished Fibres
Authors: Zhang Haojie , Zhang Zhiguo , Healy Noel , Peacock Anna
Published: October 2021

A side-polished optical fibre platform is used to access the nonlinear optical properties of MoS2. Experiments show its nonlinear response which is enhanced via resonant coupling, allowing for the observation of significant optical modulation.
Novel optical fiber tactile sensor in laparoscope for force feedback
Authors: Wang Pingping , Liu Zhengyong , Huang Jie , Huang Xuemei , Chen Jie , Peng Dongxian
Published: October 2021

In this paper, we presented a fiber Bragg grating (FBG) force sensor integrated at the tip of a laparoscopic grasper, which was used to offer real-time force feedback to the operators to reduce tissue damage.
All-fiber symmetrical mode multiplexing coupler for multiplexing LP11 and LP21 modes
Authors: Chang Wenzhe , Guo Huiyi , Mao Baiwei , Feng Mao , Wang Zhi , Liu Yan-ge
Published: October 2021

We propose a low-loss broadband symmetric mode multiplexing coupler. By studying the influence of polarization on the coupler, multiplexing of LP11 and LP21 modes in the range of 990-1570 nm is realized.
High-Baud-Rate Optical Fiber Transmissions Using a Simplified Two-Channel OTDM Transmitter
Authors: Jiang Mengjiang , Huang Zhihui , Yi Xingwen , Li Fan
Published: October 2021

We propose a simplified two-channel OTDM transmitter based on RZ pulses. Adaptive equalization with FIR filters plays an important role to receive the generated high-baud-rate signal with broadened spectra.
Investigating the polarization rotation effect in meter-long CMOS compatible spiral waveguides
Authors: Zhu Yilin , Zeng Lanqian , Wang Linghua , Chu Sai Tak , Wang Shao Hao
Published: October 2021

We experimentally characterize the polarization rotation of the quasi-TE and quasi-TM modes on a set of 1.0 and 0.5 meters long highly doped silicon glass spiral waveguides with different waveguide widths and thickness.
Research on Temperature Variation of Overhead Transmission Line under Lightning Strike Based on Optical Frequency Domain Reflectometer
Authors: Peng Xin , Yan Zhehao , Zhang Zhiguo , Yan Ye , Hou Jiyong , Feng Xuebin
Published: October 2021

This paper proposed temperature variation of overhead transmission line under lightning strike based on optical frequency domain reflectometer. Results shows that heat distribution can be regarded as a Gaussian.
Mie-driven free-space electro-optic transducers
Authors: Benea-Chelmus Ileana-Cristina , Mason Sydney , Meretska Maryna L. , Elder Delwin L. , Dalton Larry R. , Capasso Federico
Published: October 2021

We demonstrate efficient and compact electro-optic free-space modulators that employ hybrid high-Q Mie resonators embedded in low-loss, high-performance electro- optic molecules to achieve full amplitude modulation of a telecom carrier. By minimizing losses and maximizing the overlap between all interacting fields, we shift the resonance by 11 nm.
Parallelized Turbo equalizer design for bandwidth compensation in optical coherent receiver
Authors: Liu Ling , Yu Fan , Li Liangchuan
Published: October 2021

We proposed a parallelized SPA-turbo which was much simpler than BCJR-turbo and suitable for implementation. We got a turbo gain of 0.8dB for a 16-WSS distorted signal compared to the non-iterative BCJR receiver.
Complex Modulation and Differential Coherent Detection of Directly Modulated Lasers
Authors: Yang Hua , Lu Liwang , Wang Wei , Wu Xiong , Wang Pan , Lau Alan Pak Tao , Lu Chao , Guo Changjian
Published: October 2021

We propose and experimentally demonstrate carrier interleaved modulation and differential coherent detection for direct modulation lasers, achieving over 11-dB enhancement in received OSNR at 7% HD-FEC after 74-km SSMF transmission of PAM-4 signals.
Ultra-wideband IM/DD Transmission over Hollow-core Fibres
Authors: Hong Yang , Taengnoi Natsupa , Bottrill Kyle R. H. , Bradley Thomas D. , Sakr Hesham , Hayes John R. , Jasion Gregory T. , Poletti Francesco , Petropoulos Periklis , Richardson David J.
Published: October 2021

We discuss the use of hollow-core nested antiresonant nodeless fibres (NANFs) for IM/DD transmission. Results of both O+C-band and S+C+L-band transmission experiments are presented, highlighting the potential of NANFs for ultra-wideband and low-latency data communications.
4 × 56 Gb/s MIMO-less Fiber-eigenmode multiplexing transmission over 3 km FMF
Authors: Zhang Jianbo , Wu Xiong , Fan Qirui , Yi Xingwen , Tan Zhongwei , Li Jianping , Li Zhaohui , Lu Chao
Published: October 2021

We experimentally demonstrate a mode-division-multiplexing (MDM) system using 4 vector modes (VMs) over 3 km few mode fiber (FMF). Each mode carries 14 Gbaud 16-ary quadrature amplitude modulation (16 QAM) signal, achieving a 2×2 multiple-input-multiple-output-less (MIMO-less) 224 Gb/s fiber-eigenmode multiplexing transmission link.
Statistical analysis of multipath interference due to multiple cascaded splices at wavelengths below cut-off in G.654.E fibers
Authors: Kawahara Hiroki , Seki Takeshi , Hirose Kenta , Miyamura Takashi
Published: October 2021

A novel analysis of multipath interference is presented for an actual transmission line with cascaded splice connections, in which the statistical variations in the splice losses and the cut-off wavelengths are considered.
Silicon Integrated Low-Loss 4-Channel 5-Bit Optical True-Time Delay Lines
Authors: Liu Yuanbin , Lu Liangjun , Chen Jianping , Zhou Linjie
Published: October 2021

We demonstrate 4-channel tunable optical delay lines with delay > 500 ps and delay error < ±1ps. The delay loss is 3 dB/ns and the delay deviation is less than 1 ps among 4 channels.
Fiber optic lead ion (Pb2+) sensor using chitosan diaphragm based Fabry-Pérot interferometer
Authors: Noman Abdullah Al , Dash Jitendra Narayan , Cheng Xin , Yu Changyuan
Published: October 2021

A highly sensitive Fabry-Pérot interferometer (FPI) based on chitosan coated capillary is demonstrated for lead sensing. The proposed sensor exhibits a sensitivity of -0.091 nm/ppm for lead concentrations varying from 0 ppm to 30 ppm.
The Temperature Sensitivity research of Fiber Bragg grating in Graded-index Multimode Fiber
Authors: Nan Ying-Gang , Mégret Patrice
Published: October 2021

In this work, firstly, w e i nscribe a F BG i n a C orning 5 0/125 graded-index multimode fiber. Then, the temperature sensitivities of the different multimode resonances are determined during heating and cooling processes in a controlled humidity environment. © 2021 The Author(s)
Single-channel NRZ to Three-channel RZ Format Conversion Using an HNLF in an MZI
Authors: Hu Zhefeng , Li Ziqiang , Hou Min , Chen Kaixin
Published: October 2021

A single-channel NRZ to a three-channel RZ format conversion scheme is proposed and simulated by an HNLF used in an M-Z structure at 40 Gbits/s.
Improved Performance of 64/128-QAM Universal Filtered Multi-carrier PON
Authors: Zhang Chengjie , Gao Mingyi , Liu Mengli , You Xiaodi , Shen Gangxiang
Published: October 2021

We experimentally demonstrated an intensity-modulation direct-detection UFMC transmission system over 30-km standard single mode fiber. The BER performance of 64-QAM and 128-QAM UFMC signals are measured and compared with that of the OFDM signals.
Muxtender: A Fan-out and Reach-extending Device for Rapid and Low-cost 10G-PON Deployment
Authors: Yin Shuang , Nagarajan Muthu , Zhao Xiangjun , Zhang Tao , Jiang Joy , Lam Cedric. F.
Published: October 2021

We present a fan-out and reach-extending device, the Muxtender, to effectively increase XGS-PON split ratio by 4x (8x), and reduce OLT per-port cost by ~53% (~69%). The Muxtender can significantly reduce CAPEX and OPEX for 10G-PON rollout. © 2021 The Author(s)
Novel Parallel Interference Cancellation Scheme for Non-Orthogonal Multiple Access in Millimeter-Wave RAN Using Convolutional Neural Network
Authors: Zhou Qi , Shen Shuyi , Hsu Chin-Wei , Chen You-Wei , Finkelstein Jeff , Chang Gee-Kung
Published: October 2021

We propose a parallel interference cancellation scheme for NOMA in millimeter-wave RAN using a convolutional neural network. Compared to conventional successive interference cancellation, significant enhancement of NOMA signal recovery and decoding are experimentally demonstrated. © 2021 The Author(s)
Inter-channel Interference Mitigation with Iteration Scheme in FDM Access PON System
Authors: Lin Hong , Zhu Mingyue , Zhou Jiahao , Zhang Jing , Jin Taowei , Hu Shaohua , Qiu Kun
Published: October 2021

We propose and experimentally demonstrate an iterative method to alleviate the inter-channel crosstalk in a frequency division multiplexing based PON transmission system, which is a four-channel multiplexed 24-Gb/s transmission over 25-km SSMF. © 2021 The Author(s)
Kalman filter-based Auto Bias Controller (KF-ABC) for IQ Modulator
Authors: Gao Wenpeng , Ge Guangping , Yang Lei , Lu Dongxu , Huo Jiahao , Zhou Xian
Published: October 2021

A Kalman filter-based Auto Bias Controller (KF-ABC) is proposed for IQ modulator. Compared with traditional ABC techniques, KF-ABC can achieve a significant improvement in convergence speed and accuracy.
Improving the Dynamic Range of Analog-Optical Links with Low-noise Fiber Parametric Amplifiers
Authors: Zhao Ping , Andrekson Peter A.
Published: October 2021

We demonstrate that low-noise phase-sensitive fiber optical parametric amplifiers can further effectively increase the third-order spurious-free dynamic range of analog optical links by 3.9 dB/Hz2/3, compared with conventional Erbium-doped fiber amplifiers. © 2021 The Author(s)
Investigation of Forward and Backward Pumped Distributed Raman Amplification Schemes for a Single-Span 600Gb/s Coherent Fiber System
Authors: Hui Rongqing , Akasaka Youichi , Palacharla Paparao
Published: October 2021

600Gb/s-PM-64QAM coherent transmission performances over 101km SMF with distributed Raman amplification of different pumping schemes are investigated. While forward pump using FP-laser diode can introduce 0.9dB Q-margin, hybrid forward/backward pumping can further optimize system performance.
Design and Optimization of the Parameters in the Waveform Shaping Stage of the Transmitter in the NFDM System
Authors: Wei Jiacheng , Xi Lixia , Zhang Xulun , Du Shucheng , Zhang Wenbo , Zhang Xiaoguang
Published: October 2021

The parameters in the waveform shaping stage of the transmitter are critical to the performance of the NFDM system. By designing and optimizing these parameters, the performance of the NFDM system can be effectively improved. © 2021 The Author(s)
Efficient Photocathode Combining Surface Plasmon Resonance Effect with Hole Transport Layer in Visible Light
Authors: Jia Huaping , Tsoi Chi Chung , Zhang Wendong , Jian Aoqun , Zhang Xuming
Published: October 2021

This work reports a Cu2O/AuNPs/NiO/FTO photocathode with the increased photocurrent density in visible light caused by the enhanced electromagnetic (EM) fields of Au nanoparticles (AuNPs) and efficient electron/hole separation by NiO hole transport layer (HTL). © 2021 The Author(s)
Hosting exceptional points in 1D photonic bandgap waveguide for mode engineering
Authors: Dey Sibnath , Ghosh Somnath
Published: October 2021

We report a planar 1D photonic bandgap waveguide exhibiting four second-order exceptional points (EP2s). The interactions between the selective pairs of supported quasi-guided TE modes are modulated by spatial distribution of transverse in-homogeneous gain-loss profile. © 2021 The Author(s)
On-chip photonic convolutional accelerator for image processing
Authors: Cheng Junwei , Zhao Yuhe , Wei Yanxian , Zhang Wenkai , Zhou Hailong , Huang Dongmei , Li Feng , Wai P. K. A. , Dong Jianji , Zhang Xinliang
Published: October 2021

We demonstrate an on-chip photonic convolutional accelerator, which can perform configurable optical convolution operations to achieve specific image processing. It indicates great potential for on-chip image processing in AI hardware acceleration.
Optical Transfer Delay Measurement Based on Stimulated Brillouin Scattering
Authors: Wang Qi , Xue Min , Liu Tao , Zhang Xinben , Sun Lijun , Qu Pengfei , Pan Shilong
Published: October 2021

A high-precision optical transfer delay measurement method based on stimulated Brillouin scattering is proposed and experimentally demonstrated. In the experiment, a measurement accuracy of 0.9 ps is achieved.
Strain Measurement Using EDF Sigma Laser with Cascaded-Chirped Long Period Fiber Grating
Authors: Fukushima Koken , Soares Manuel Guterres , Wada Atsushi , Tanaka Satoshi , Ito Fumihiko
Published: October 2021

A novel laser strain sensor based on a sigma-cavity configuration is developed, in which a double-pass cascaded-chirped long period fiber grating with a Faraday rotator mirror is employed in the sigma-branch as a strain-sensitive wavelength filter. © 2021 The Author(s)
Time-Expansion in Distributed Acoustic Sensing
Authors: Gonzalez-Herraez Miguel , Soriano-Amat Miguel , Durán Vicente , Martins Hugo F. , Martin-Lopez Sonia , Fernández-Ruiz María R.
Published: October 2021

We demonstrate a technique to achieve a customized temporal expansion of the time-domain trace in a phase-sensitive reflectometer, that allows the interrogation of fibers with high resolution (~2 cm) using only low-bandwidth photodetection (~MHz). © 2021 The Author(s)
Truncated spot size converters for silicon photonic wire waveguides
Authors: Sainohira Koki , Watanabe Toshio , Nagayama Tsutomu , Fukushima Seiji
Published: October 2021

We examined light propagation along the spot size converter of silicon photonic wire waveguides, and show there are two maxima in coupling efficiency. An optimal design was given in terms of compactness and high efficiency by changing its dimension and shape.
Integrated device for cyclic mode permutation based on multi-plane light conversion
Authors: Tang Yunpeng , Yang Zhiqun , Wang Yang , Liu Yaping , Zhang Lin
Published: October 2021

We propose an integrated device based on multi-plane light conversion (MPLC) for cyclic mode permutation (CMP). Both 3-mode and 6-mode CMP schemes are demonstrated with excellent simulated performance.
Agile dispersion engineering of photonic waveguides by using neural network aided inverse design
Authors: Wang Zhaonian , Du Jiangbing , Shen Weihong , Liu Jiacheng , Xu Ke , He Zuyuan
Published: October 2021

A photonic design automation method for agile dispersion engineering of photonic waveguides is demonstrated by using neural network aided inverse design. Broadband low dispersion, wideband maintained constant dispersion, and slope maintained linear dispersion are obtained.
Broadband Polarization-Independent 3-dB Power Splitter in Silicon-on-insulator
Authors: Meng Debin , Song Shijie , Li Liwei , Yi Xiaoke
Published: October 2021

A broadband, polarization-independent 3-dB power splitter using silicon-on-insulator strip and slot waveguides is presented, which achieves low insertion loss and small power imbalance while exhibiting a compact size.
Whole Band Wavelength Conversion for Wideband Transmission
Authors: Kato Tomoyuki , Watanabe Shigeki , Yamauchi Tomohiro , Nakagawa Goji , Muranaka Hidenobu , Tanaka Yu , Akiyama Yuichi , Hoshida Takeshi
Published: October 2021

We introduce wavelength conversion technology for wideband transmission over deployed optical fibers by extending the wavelength range within the optical fiber transparent window which is not yet supported by practical transceivers.
Opto-Mechanical Inter-Core Crosstalk in Multi-Core Fibers
Authors: Diamandi Hilel Hagai , Zadok Avi
Published: October 2021

The constituent cores of multi-core fibers are coupled by acoustic modes, guided by the entire cladding cross-section. Acoustic coupling leads to inter core cross phase modulation. The effect is quantified in analysis and experiment.
Transmitter-Receiver Optical Sub Assembly using Ultra-Compact Tunable DBR/Ring Laser
Authors: Nagashima Kazuya , Ishikawa Yozo , Izawa Atsushi , Nishita Masayoshi , Matsubara Noritaka , Ishii Hiroyuki , Saeyang Thanakit , Ogiso Yoshihiro , Ueda Yuta , Kohtoku Masaki
Published: October 2021

We demonstrate a tiny optical module which integrates an ultra-compact wavelength tunable laser, InP-based transmitter and PLC-based receiver. The optical module exhibits low-insertion loss (<13.6 dB) and high bandwidth (>45 GHz) for ≥400-Gb/s coherent-optical links.
Four-mode waveguide crossing via digitized meta-structure
Authors: Liu Yingjie , Zhong Zhongqiu , Wang Shuai , Liu Yilin , Yao Yong , Du Jiangbing , Song Qinghai , Xu Ke
Published: October 2021

A four-mode waveguide crossing with footprint of only 7.5×7.5 μm2 is demonstrated on silicon photonic platform. The device insertion loss is less than 0.85 dB, and the crosstalk is below-18 dB for 1500-1580 nm.
Subwavelength Grating Metamaterial Structures for Integrated Photonics
Authors: Halir R. , Sánchez-Postigo A. , Luque-González J. M. , Hadij-ElHouati A. , Pereira-Martín D. , Leuermann J. , Ginel-Moreno P. , Pérez-Armenta C. , Torres-Cubillo A. , Herrero-Bermello A. , Dias-Ponte A. , González-Andrade D. , Velasco A. V. , Wangüemert-Pérez J. G. , Ortega-Moñux A. , de-Oliva-Rubio J. , Cheben P. , Schmid J. H. , Ctyroký J. , Nedeljkovic M. , Mashanovich G. Z. , Molina-Fernández Í.
Published: October 2021

We report on our advances on the use of subwavelength metamaterials for silicon photonic devices, including narrowband filters, antennas, polarization handling, on-chip beam forming and sensing.
Monolithic Integration of III-V/Si Hybrid MOS Optical Phase Shifter and InGaAs Membrane Photodetector
Authors: Ohno Shuhei , Monfray Stéphane , Boeuf Frederic , Toprasertpong Kasidit , Takagi Shinichi , Takenaka Mitsuru
Published: October 2021

We present proof-of-concept monolithic integration of III-V/Si hybrid MOS optical phase shifter and InGaAs membrane photodetector for Si programmable photonic integrated circuits. We demonstrated responsivity of > 1.0 A/W at O-band owing to avalanche amplification.
High-Speed and High Saturation Power Avalanche Photodiode for Coherent Communication
Authors: Nassem  , Yang Sean , Wang Sheng-Yun , Chang Hsiang-Szu , Chen H.-S. , Huang Jack Jia-Sheng , Chou Emin , Jan Yu-Heng , Shi Jin-Wei
Published: October 2021

High-speed/power APDs with novel etched-mesa structure are demonstrated to suppress edge breakdown. With 24μm diameters, they achieve 21GHz bandwidths, 5.5A/W responsivity, and RF saturation power over +5 dBm (10 GHz) under 8mA photocurrent and 0.9Vbr.
120 GSa/s BiCMOS Analog Multiplexer Enabling 360 Gbit/s DSCM-PCS-256QAM IM/DD Transmission
Authors: Hu Qian , Schuh Karsten , Collisi Michael , Aref Vahid , Hettrich Horst , Schmid Rolf , Buchali Fred , Möller Michael
Published: October 2021

Generation of real-valued digital-subcarrier-multiplexed PCS-256QAM is demonstrated using a 120 GSa/s BiCMOS analog multiplexer. A record per-modulation-dimension spectral efficiency of 3 bit/s/Hz is achieved supporting a net data rate of 360 Gbit/s after 10 km IM/DD transmission.
147-Gb/s Transmission of Optical Single Sideband DMT Signal Generated by Dual Modulation of DML and EAM
Authors: Bo Tianwai , Kim Hoon
Published: October 2021

We experimentally demonstrate a record transmission of 147-Gb/s (net 122-Gb/s) optical single sideband discrete multi-tone signal, generated by modulating both a directly modulated laser and an electro-absorption modulator, over an 80-km C-band link.
Microresonator Brillouin Laser Gyroscope with Earth-Rotation-Rate Sensitivity
Authors: Suh Myoung-Gyun , Lai Yu-Hung , Vahala Kerry J.
Published: October 2021

Optical gyroscopes are widely used for precision navigation and there has been growing interest in the possibility of integrated optical gyroscopes. In this talk, we report a chip-based Brillouin laser gyroscope with Earth-rotation-rate sensitivity.