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Near-zero-dispersion soliton and broadband modulational instability Kerr microcombs in anomalous dispersion

Light(Science & Applications) 2023年第2期12卷 220-231页

作者： Zeyu Xiao Tieying Li Minglu Cai Hongyi Zhang Yi Huang Chao Li Baicheng Yao Kan Wu Jianping Chen State Key Laboratory of Advanced Optical Communication Systems and Networks School of Electronic Information and Electrical EngineeringDepartment of Electronic EngineeringShanghai Jiao Tong UniversityShanghai 200240China Key Laboratory of Optical Fibre Sensing and Communications(Education Ministry of China) University of Electronic Science and Technology of ChinaChengdu 611731China

The developing advances of microresonator-based Ker cavity solitons have enabled versatile applications ranging from communication,signal processing to high-precision *** dispersion is the key factor determining the Kerr comb *** the zero group-velocity-dispersion(GVD)regime,low-noise and broadband microcomb sources are achievable,which is crucial to the application of the Kerr *** the GVD is almost vanished,higher-order dispersion can significantly affect the Kerr comb *** many studies have investigated the Kerr comb dynamics near the zero-dispersion regime in microresonator or fiber ring system,limited by dispersion profles and dispersion perturbations,the near-zero-dispersion soliton structure pumped in the anomalous dispersion side is still elusive so ***,we theoretically and experimentally investigate the microcomb dynamics in fiber-based Fabry-Perot microresonator with ultra-small anomalous *** obtain 2/3-octave-spaning microcombs with~10 GHz spacing,>84 THz span,and>8400 comb lines in the modulational instability(MI)state,without any external nonlinear spectral *** widely-spanned Ml combs are also able to enter the soliton ***,we report the first observation of anomalous-dispersion based near-zero-dispersion solitons,which exhibits a local repetition rate up to 8.6 THz,an individual pulse duration<100 fs,a span>32 THz and>3200 comb *** two distinct comb states have their own *** broadband MI combs possess high conversion efficiency and wide existing range,while the near-zero-dispersion soliton exhibits relatively low phase noise and ultra-high local repetition *** work complements the dynamics of Kerr cavity soliton near the zero-dispersion regime,and may stimulate cross-disciplinary inspirations ranging from dispersion-controlled microresonators to broadband coherent comb devices.

关键词： resonator dispersion pumped

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1λ 1.6-Tb/s Direct Detection via a Hybrid optical Hilbert Receiver and Stokes Vector Receiver

1λ 1.6-Tb/s Direct Detection via a Hybrid Optical Hilbert R...

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2024 IEEE Photonics Conference, IPC 2024

作者： Zhu, Yixiao Fang, Xiansong Zhou, Lingjun Zhu, Junbo Li, Yunchen Zhou, Xian Zhong, Kangping Tao Lau, Alan Pak He, Zhixue Wang, Lei Hu, Weisheng Li, Ke Zhang, Fan Peking University State Key Laboratory of Advanced Optical Communication System and Networks Beijing100871 China University of Science and Technology Beijing Beijing100083 China The Hong Kong Polytechnic University Photonics Research Institute Department of Electrical and Electronic Engineering Hong Kong Shanghai Jiao Tong University State Key Laboratory of Advanced Optical Communication System and Networks Shanghai200240 China Pengcheng Laboratory Shenzhen518000 China

ISBN: (纸本)9798350361957

We propose a hybrid optical Hilbert receiver and Stokes vector receiver (OH-SVR) capable of phase and polarization diversity. We experimentally demonstrate single-wavelength direct detection at 1.6-Tb/s and 1.56-Tb/s line rates at BTB and after 10-km standard single-mode fiber transmission for data-center interconnects. © 2024 IEEE.

关键词： Single mode fibers

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Reconfigurable silicon integrated RF photonic filter toward wireless communication

Reconfigurable silicon integrated RF photonic filter toward ...

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2023 International Topical Meeting on Microwave Photonics, MWP 2023

作者： Tao, Zihan Tao, Yuansheng Jin, Ming Chen, Ruixuan Shu, Haowen Wang, Xingjun Peking University State Key Laboratory of Advanced Optical Communications System and Networks School of Electronics Beijing China

ISBN: (纸本)9798350342215

Integrated microwave photonic filters (IMPFs) are capable of offering unparalleled reconfigurability. However, to achieve high reconfigurability, complicated system structures and modulation formats are always required, which put great pressure on power consumption and controlment. Here, we propose a streamlined architecture for a wideband and highly reconfigurable IMPF on the silicon photonics platform. For various practical filter responses and avoiding complex auxiliary devices and bias drift problems, a phase-modulated flexible sideband cancellation method is employed based on the intensity-consistent single-stage-Adjustable cascaded-microring (ICSSA-CM). The IMPF exhibits an operation band extends to mm-wave (≥ 30 GHz) and other extraordinary performances including high spectral resolution of 220 MHz and large rejection ratio of 60 dB are obtained. Moreover, Gbps-level RF wireless communications are demonstrated for the first time towards real-world scenarios. © 2023 IEEE.

关键词： Millimeter waves

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High-performance 459-nm Cs Cell optical Frequency Standard with a Predicted Frequency Stability of 10-14

High-performance 459-nm Cs Cell Optical Frequency Standard w...

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2023 Joint Conference of the European Frequency and Time Forum and IEEE International Frequency Control Symposium, EFTF/IFCS 2023

作者： Zhang, Jia Miao, Jianxiang Shi, Tiantian Chen, Jingbiao School of Electronics Peking University State Key Laboratory of Advanced Optical Communication Systems and Networks Beijing China

ISBN: (纸本)9798350311426

In order to achieve a high-performance 459-nm Cs cell optical frequency standard, its frequency is locked by modulation transfer spectroscopy with power stabilized using an acousto-optic modulator. The power-stabilized operation can optimize the frequency stability caused by power fluctuations. To reduce the common-mode noise of two independent systems, we use a "dual optical path"scheme to lock the frequencies of two independent systems to one Cs atomic vapor cell. In addition, the optical components of the whole system are fixed on a silica baseboard to reduce the influence caused by vibration and thermal expansion. Our proposed scheme is expected to achieve an optical frequency standard with frequency stability of 10-14 level. This high-stability optical frequency standard has promising applications in fundamental physics research and laser spectroscopy. © 2023 IEEE.

关键词： optical clock optical frequency standard power-stabilization

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Topological Protected Transport of Broadband Quantum Frequency Comb in Valley Photonic Crystals

Topological Protected Transport of Broadband Quantum Frequen...

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CLEO: Fundamental Science, CLEO:FS 2024 - Part of Conference on Lasers and Electro-Optics, CLEO 2024

作者： Jiang, Zhen Wang, Hongwei Su, Yikai Jiang, Chun He, Guangqiang State Key Laboratory of Advanced Optical Communication Systems and Networks Department of Electronic Engineering Shanghai Jiao Tong University Shanghai200240 China

We propose on-chip topological transport of quantum frequency comb (10 THz) with frequency entanglement in valley photonic crystals. Our proposal could open new avenues for high-dimensional information processing util... 详细信息

ISBN: (纸本)9781957171395

关键词： Topology

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A Simplified Model of Phase Evolution in Comb-based Time-frequency Transfer 37

A Simplified Model of Phase Evolution in Comb-based Time-fre...

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37th European Frequency and Time Forum, EFTF 2024

作者： Yu, Dongrui Zhang, Yufei Chen, Ziyang Guo, Hong School of Electronics Center for Quantum Information Technology Peking University State Key Laboratory of Advanced Optical Communication Systems and Networks Beijing China

ISBN: (纸本)9798350354270

optical frequency combs, characterized by high signal-to-noise ratio and fine time resolution, have made signifi-cant contributions in the field of optical time-frequency transfer towards long distance and high precision. In such a system, the phase time information of the combs is hard to directly describe, which set barriers to further improving the system performance via theoretical analysis. In this work, we present a simplified model of comb phase evolution in fiber, based on coherent wave superposition, to quantitatively characterize the phase time variation. The impact of OFC repetition frequency fluctuation, carrier-envelope-offset fluctuation and dispersion terms during propagation are analyzed respectively, and numerical simulations can further simplify and visualize the calculations. Future opti-mization is expected to involve self-phase modulation and other nonlinear effects. © 2024 IEEE.

关键词： Self phase modulation

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Ultrafast laser state active controlling based on anisotropic quasi-1D material

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Light(Science & Applications) 2024年第4期13卷 717-726页

作者： Zixin Yang Qiang Yu Jian Wu Haiqin Deng Yan Zhang Wenchao Wang Tianhao Xian Luyi Huang Junrong Zhang Shuai Yuan Jinyong Leng Li Zhan Zongfu Jiang Junyong Wang Kai Zhang Pu Zhou College of Advanced Interdisciplinary Studies National University of Defense TechnologyChangsha 410073China. Nanhu Laser Laboratory National University of Defense TechnologyChangsha 410073China. i-Lab&Key Laboratory of Nanodevices and Applications&Key Laboratory of Nanophotonic Materials and Devices Suzhou Institute of Nano-Tech and Nano-BionicsChinese Academy of SciencesSuzhou 215123China. School of Applied and Engineering Physics Cornell UniversityIthacaNY 14853USA. State Key Laboratory of Advanced Optical Communication Systems and Networks School of Physics and AstronomyShanghai Jiao Tong UniversityShanghai 200240China. Shanghai Key Lab of Modern Optical System University of Shanghai for Science and TechnologyShanghai 200093China

Laser state active controlling is challenging under the influence of inherent loss and other nonlinear effects in ultrafast *** an extension of degree of freedom in optical devices based on low-dimensional materials may be a way ***,the anisotropic quasi-one-dimensional layered material Ta2PdS6 was utilized as a saturable absorber to modulate the nonlinear parameters effectively in an ultrafast system by polarization-dependent *** polarization-sensitive nonlinear optical response facilitates the Ta2PdS6-based mode-lock laser to sustain two types of laser states,i.e.,conventional soliton and noise-like *** laser state was switchable in the single fiber laser with a mechanism revealed by numerical *** coding was further demonstrated in this platform by employing the laser as a codable light *** work proposed an approach for ultrafast laser state active controlling with low-dimensional material,which offers a new avenue for constructing tunable on-fiber devices.

关键词： polarization fiber controlling

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14.1Tb/s CPRI-equivalent Rate 1024-QAM Transmission via Combs-cloned Self-homodyne WDM Digital-Analog Radio-over-Fiber system

14.1Tb/s CPRI-equivalent Rate 1024-QAM Transmission via Comb...

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2023 optical Fiber communications Conference and Exhibition, OFC 2023

作者： Zhang, Chenbo Zhu, Yixiao He, Bibo Liu, Rongwei Xu, Yicheng Zhuge, Qunbi Hu, Weiwei Hu, Weisheng Chen, Zhangyuan Xie, Xiaopeng Peking University State Key Laboratory of Advanced Optical Communication Systems and Networks School of Electronics Beijing100871 China Shanghai Jiao Tong University State Key Laboratory of Advanced Optical Communication Systems and Networks Department of Electronic Engineering Shanghai200240 China

We leverage cutting-edge photonic approaches to demonstrate a clone-combs-based self-homodyne WDM digital-analog RoF system for mobile fronthaul. We achieve a 240 GHz (=12λ×20 GHz) aggregated bandwidth with an u... 详细信息

ISBN: (纸本)9781957171180

关键词： Radio-over-fiber

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Exceptional dynamics at exceptional points

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Light(Science & Applications) 2024年第1期13卷 4-5页

作者： Wenjie Wan State Key Laboratory of Advanced Optical Communication Systems and Networks University of Michigan-Shanghai Jiao Tong University Joint InstituteShanghai Jiao Tong UniversityShanghai200240China Department of Physics and Astronomy Shanghai Jiao Tong UniversityShanghai200240China

Exceptional points(EPs),singularities of non-Hermitian systems,often exhibit exotic behaviors by engineering the balance between the system gain and ***,EPs have been demonstrated to enable unidirectional perfect abso... 详细信息

关键词： spectrum. exceptional points

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Integrated optical frequency transfer and optical physical layer key distribution with enhanced link reciprocity detection

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Science China(Information Sciences) 2024年第7期67卷 335-336页

作者： Kunfeng XIE Liang HU Jianping CHEN Guiling WU State Key Laboratory of Advanced Optical Communication System and Networks Department of Electronic EngineeringShanghai Jiao Tong University

optical fiber transmission has been widely used in communications and metrology, wherein optical frequency transfer (OFT) and optical physical layer secure key distribution (OKD) have become research hotspots [1, 2]. Moreover,OFT can perform a comparison between state-of-the-art optical atomic clocks and implement coherent optical phase transfer over long distances to support geodesy [1, 3].

关键词： distribution integrated physical detection layer link with enhanced frequency optical

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