Overcoming laser phase noise for low-cost coherent optical communication [PDF]
Nature CommunicationsArtificial-intelligence-generated content has driven explosive data traffic growth in data-center interconnects. Traditional direct detection solutions struggle with limited spectral efficiency and distance, prompting the shift to coherent optics for ...
Xiansong Fang +6 more
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Beam-steering metasurfaces assisted coherent optical wireless multichannel communication system
Nanophotonics, 2023 The metasurface based beam-steering devices with the advantages of large steering angles, arbitrary channels and ultra-compactness have played an important role for data allocation and exchange in the optical wireless communication.
Tao Jin +13 more
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Enabling Technology in High-Baud-Rate Coherent Optical Communication Systems
IEEE Access, 2020 High-baud-rate coherent optical system is essential to support the ever-increasing demand for high-speed applications. Owing to the recent progress in advanced modulation formats, over 1 Tb/s single-carrier data transmission has been achieved in the ...
Si-Ao Li +10 more
doaj +2 more sources
DSP-Based Physical Layer Security for Coherent Optical Communication Systems
IEEE Photonics Journal, 2022 A novel digital signal processing (DSP)-based scheme for physical layer security in coherent optical communication systems is proposed and numerically investigated.
Jiaxiang He +3 more
doaj +2 more sources
Wide and Deep Learning-Aided Nonlinear Equalizer for Coherent Optical Communication Systems
PhotonicsIn this study, we developed a wide and deep network-based nonlinear equalizer to compensate for nonlinear impairment in coherent optical communication systems.
Ziyun Jiang, Xinyu Liu, Liuchao Zhang
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Coherent optical communications using coherence-cloned Kerr soliton microcombs [PDF]
Nature Communications, 2022 Kerr frequency combs are a promising laser source for future optical networks. The authors demonstrate coherence-cloning between two remote Kerr combs and improve optical coherent communication in terms of performance, power consumption, and simplicity.
Yong Geng +8 more
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Advanced DSP for Coherent Optical Fiber Communication [PDF]
Applied Sciences, 2019 In this paper, we provide an overview of recent progress on advanced digital signal processing (DSP) techniques for high-capacity long-haul coherent optical fiber transmission systems.
Jian Zhao, Yaping Liu, Tianhua Xu
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Transformer-Based Nonlinear Equalization for DP-16QAM Coherent Optical Communication Systems [PDF]
IEEE Communications Letters, 2023 Compensating for nonlinear effects using digital signal processing (DSP) is complex and computationally expensive in long-haul optical communication systems due to intractable interactions between Kerr nonlinearity, chromatic dispersion (CD), and ...
Naveenta Gautam +3 more
semanticscholar +1 more source
Research on DPPM Technology in Coherent Optical Space Laser Communication
Guangtongxin yanjiu, 2022 Aiming at the modulation problem of high energy efficiency and high sensitivity in the space laser communication system, the Differential Pulse Position Modulation (DPPM) format is studied and applied to the coherent optical communication system.
Xi WANG, Jie LI, Ming LUO
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Ultralow Complexity Long Short-Term Memory Network for Fiber Nonlinearity Mitigation in Coherent Optical Communication Systems [PDF]
Journal of Lightwave Technology, 2021 Fiber Kerr nonlinearity is a fundamental limitation to the achievable capacity of long-distance optical fiber communication. Digital back-propagation (DBP) is a primary methodology to mitigate both linear and nonlinear impairments by solving the inverse ...
Hao Ming +5 more
semanticscholar +1 more source