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2024 Conference on Lasers and Electro-Optics, CLEO 2024

作者： Wang, Ya Yang, Ruoao Chen, Zhendong Pan, Duo Luo, Bin Zhang, Zhigang Chen, Jingbiao State Key Laboratory of Information Photonics and Optical Communications Beijing University of Posts and Telecommunications Beijing100876 China State Key Laboratory of Advanced Optical Communication Systems and Networks School of Electronics Peking University Beijing100871 China

ISBN: (纸本)9781957171395

关键词： Fiber lasers

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Generation of 1.2 GHz, 40 fs pulses directly from a mode locked Yb:fiber laser

Generation of 1.2 GHz, 40 fs pulses directly from a mode loc...

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CLEO: Science and Innovations in CLEO 2024, CLEO: S and I 2024 - Part of Conference on Lasers and Electro-Optics

We demonstrated generation of 40 fs pulses from a 1.2 GHz repetition rate Yb:fiber laser at an average power up to 1.3 W. © Optica Publishing Group 2024

关键词： Fiber lasers

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A Gravity Gradient Measurement System Based on Fiber-optic Gyroscope 28

A Gravity Gradient Measurement System Based on Fiber-optic G...

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28th International Conference on optical Fiber Sensors, OFS 2023

作者： Chen, Yanjun Wang, Wenbo Zhu, Lanxin He, Yan Huang, Huimin Cao, Yuwen Ma, Xiangdong Li, Zhengbin Li State Key Laboratory of Advanced Optical Communication Systems and Networks School of Electronics Peking University Beijing100871 China

A gravity gradient measurement system based on fiber-optic gyroscope is proposed and implemented. The static test results show that the resolution of the system can reach 0.39 E @ 100s, indicating a low self-noise per... 详细信息

ISBN: (纸本)9781957171302

关键词： Gyroscopes

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IF-Free Sub-6GHz and mmW Band Integrated ROF Fronthaul Using Low-Pass Delta-Sigma Modulator and RZ Shaping 49

IF-Free Sub-6GHz and mmW Band Integrated ROF Fronthaul Using...

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49th European Conference on optical communications, ECOC 2023

作者： Zhu, Yixiao Fang, Xiansong Zhang, Chenbo Xu, Yicheng Zhuge, Qunbi Xie, Xiaopeng Zhang, Fan Hu, Weisheng State Key Laboratory of Advanced Optical Communication System and Networks Shanghai Jiao Tong University Shanghai200240 China State Key Laboratory of Advanced Optical Communication System and Networks Peking University Beijing100871 China

ISBN: (纸本)9781839539954

We propose a low-complexity and IF-free radio-over-fiber scheme using low-pass delta-sigma modulator and RZ shaping for both sub-6GHz and millimeter-wave bands. Up to 262144-QAM, 65536-QAM and 4096-QAM formats are experimentally delivered at 28-GHz, 30-GHz, and 48-GHz carrier frequency over a 10-km IM-DD SMF link, respectively. © The Institution of Engineering & Technology 2023.

关键词： Delta sigma modulation

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203.6Tb/s CPRI-Equivalent Rate 1024-QAM DA-RoF Fronthaul with Comb-based WDM and SDM Superchannel

203.6Tb/s CPRI-Equivalent Rate 1024-QAM DA-RoF Fronthaul wit...

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2023 optical Fiber communications Conference and Exhibition, OFC 2023

作者： Zhu, Yixiao Zhang, Chenbo Lin, Jingjing Xu, Yicheng Zhuge, Qunbi Hu, Weiwei Chen, Zhangyuan Hu, Weisheng Xie, Xiaopeng Shanghai Jiao Tong University State Key Laboratory of Advanced Optical Communication System and Networks Shanghai200240 China Peking University State Key Laboratory of Advanced Optical Communication System and Networks Beijing100871 China

We demonstrate 203.6Tb/s CPRI-equivalent-rate 1024-QAM self-homodyne fronthaul using digital-analog radio-over-fiber and comb-based SDM and WDM superchannel from a single laser source. We further present new records f... 详细信息

ISBN: (纸本)9781957171180

关键词： Radio-over-fiber

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Continuous-variable Quantum key Distribution Access Network

Continuous-variable Quantum Key Distribution Access Network

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2024 Photonics and Electromagnetics Research Symposium, PIERS 2024

作者： Wang, Tao Xu, Yuehan Li, Lang Liu, Xu Tan, Zicong Huang, Peng Zeng, Guihua Shanghai Jiao Tong University State Key Laboratory of Advanced Optical Communication Systems and Networks Center of Quantum Sensing and Information Processing Shanghai200240 China

ISBN: (纸本)9798350375909

Quantum key distribution (QKD) networks are crucial for the development of quantum networks and the early stages of the quantum internet, enabling unconditional secure key distribution and guaranteeing data security. However, current QKD networks are still limited in their structure, and are hard to achieve super multi-user access due to high system costs associated with the original point-to-point QKD system. In this paper, we introduce two cost-effective continuous-variable QKD (CV-QKD) access network schemes. The first one is a round-trip multi-band CV-QKD access network. Specifically, the frequency division multiplexing (FDM) technology is used to support multi-user access, and the round-trip optical architecture is adopted to realize low cost. As a result of the encoding properties of CV-QKD, different users can utilize the quadrature components in various frequency bands to transmit key information. The proposed network theoretically supports hundreds of users and can be easily expanded using simple equipment. The second one is a CV-QKD access network based on directed detection. With the help of the Kramers-Kronig relation, the receiver at the optical network unit can obtain the quadrature components just using a photodetector. Besides, it can also solve the practical issues in the plug-and-play structure. Compared with a quantum access network based on the point-to-point QKD system, these two schemes can provide cost-effective solutions for the subsequent large-scale verification and implementation of quantum access networks. © 2024 IEEE.

关键词： Kramers-Kronig relations

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Chip-scale integrated optical gyroscope based on a multi-mode co-detection technique

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Photonics Research 2025年第2期13卷 319-329页

作者： SHUANG LIU JUNYI HU BINJIE LI BOYI XUE WENJIE WAN HUILIAN MA ZUYUAN HE School of Aeronautics and Astronautics Zhejiang UniversityHangzhou 310027China State Key Laboratory of Advanced Optical Communication Systems and Networks University of Michigan-Shanghai Jiao Tong University Joint InstituteShanghai Jiao Tong UniversityShanghai 200240China State Key Laboratory of Advanced Optical Communication Systems and Networks Shanghai Jiao Tong UniversityShanghai 200240China

Gyroscopes are crucial components of inertial navigation systems,with ongoing development emphasizing miniaturization and enhanced *** recent advances in chip-scale optical gyroscopes utilizing integrated optics have attracted considerable attention,demonstrating significant advantages in achieving tactical-grade *** this paper,a new,to our knowledge,integrated optical gyroscope scheme based on the multi-mode co-detection technology is proposed,which takes the high-Q microcavity as its core sensitive element and uses the multi-mode characteristics of the microcavity to achieve the measurement of rotational angular *** detection scheme breaks the tradition of optical gyroscopes based on a single mode within the sensitive ring to detect the angular rotation rate,which not only greatly simplifies the optical and electrical system of the optical gyroscope,but also has a higher detection *** gyroscope based on this detection scheme has successfully detected the Earth's rotation on a 9.2 mm diameter microcavity with a bias instability as low as 1 deg/h,which is the best performance among the chip-scale integrated optical gyroscopes known to us.

关键词： enhanced accuracy miniaturization rotational angular velocity high q microcavity multi mode co detection integrated optical gyroscope integrated optics inertial navigation systemswith

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Single-Core 7.2-Tb/s (800-Gb/s×9) MDM Self-Homodyne Coherent Transmission over Weakly-Coupled 10-Mode Fibre 49

Single-Core 7.2-Tb/s (800-Gb/s×9) MDM Self-Homodyne Coheren...

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49th European Conference on optical communications, ECOC 2023

作者： Qiao, Gang Long, Chengbin Yang, Yu Xu, Zhaopeng Zuo, Mingqing Wang, Shangcheng Liu, Lulu Shen, Lei Luo, Jie Ji, Honglin He, Zhixue Chen, Zhangyuan Hu, Weisheng Li, Juhao Peng Cheng Laboratory Shenzhen China State Key Lab of Advanced Optical Communication Systems and Networks Peking University Beijing00871 China State Key Lab of Advanced Optical Communication Systems and Networks Shanghai Jiao Tong University Shanghai200240 China State Key Laboratory of Optical Fibre and Cable Manufacture Technology YOFC Wuhan China

ISBN: (纸本)9781839539954

We propose a mode-division-multiplexing (MDM) self-homodyne coherent system over weakly-coupled multiple-ring-core 10-mode fibre and experimentally demonstrate single-core 7.2-Tb/s (5.64-Tb/s net rate) transmission with 800-Gb/s data rate for each of the 9 information-bearing modes using 80-GBaud probabilistic constellation-shaped 64-QAM signals. © The Institution of Engineering & Technology 2023.

关键词： Single mode fibers

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Turn-key Voigt optical frequency standard

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Photonics Research 2025年第4期13卷 1083-1093页

作者： ZIJIE LIU ZHIYANG WANG XIAOMIN QIN XIAOLEI GUAN HANGBO SHI SHIYING CAO SUYANG WEI JIA ZHANG ZHENG XIAO TIANTIAN SHI ANHONG DANG JINGBIAO CHEN State Key Laboratory of Advanced Optical Communication Systems and Networks School of Electronics Peking University National Institute of Metrology School of Integrated Circuits Peking University Hefei National Laboratory

The transportable optical clock can be deployed in various transportation vehicles, including aviation, aerospace, maritime, and land-based vehicles; provides remote time standards for geophysical monitoring and distributed coherent sensing; and promotes the unmanned and lightweight development of global time network synchronization. However, the current transportable version of laboratory optical clocks is still limited by factors such as environmental sensitivity, manual maintenance requirements, and high cost.

关键词： Diode lasers Frequency combs Laser sources optical clocks optical filters Supercontinuum lasers

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Dispersion Engineered C-band Parametric Oscillator Based on Silicon Concentric Microresonators

Dispersion Engineered C-band Parametric Oscillator Based on ...

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2024 Asia communications and Photonics Conference, ACP 2024 and International Conference on Information Photonics and optical communications, IPOC 2024

作者： Chang, Huajin Shen, Bitao Wang, Haoyu Wang, Yimeng Chen, Ruixuan He, Yandong Shu, Haowen Wang, Xingjun State Key Laboratory of Advanced Optical Communication Systems and Networks School of Electronics Peking University Beijing China School of Integrated Circuits Peking University Beijing China

ISBN: (纸本)9798350379266

Integrated optical nonlinearities have spawned many new technologies such as optical parametric oscillators and microcombs. Despite remarkable achievements, optical parametric oscillation (OPO) and microcomb generation remain challenging for foundry-available silicon photonics. Silicon-photonic platform provides mature CMOS manufacturing process and relatively high nonlinear coefficient. However, the nonlinear absorption at near-infrared telecommunication band hinders the effective nonlinear response on silicon photonics. In addition, the 220 nm thick Si layer is unsuitable for anomalous dispersion waveguides, which is necessary for OPO process. In this work, a concentric microresonator with the PIN doping structure is designed to solve these two problems. Under reverse bias on the designed PIN structure, the generated free carriers are effectively migrated to weaken the free carrier absorption. Local anomalous dispersion is induced by the designed concentric structure. optical parametric oscillation is theoretically analyzed and 10 OPO sidebands are experimentally generated with a single pump. Our design verifies the ability of dispersion engineered nonlinear oscillators in C-band on foundry-available silicon photonic platform. © 2024 IEEE.

关键词： Silicon photonics

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