Journal ArticleDOI
Rate Adaptation and Reach Increase by Probabilistically Shaped 64-QAM: An Experimental Demonstration
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TLDR
A transmission system with adjustable data rate for single-carrier coherent optical transmission is proposed, which enables high-speed transmission close to the Shannon limit, and it is experimentally demonstrated that the optical transmission of probabilistically shaped 64-QAM signals outperforms the transmission reach of regular 16- QAM and regular 64-ZAM signals.Abstract:
A transmission system with adjustable data rate for single-carrier coherent optical transmission is proposed, which enables high-speed transmission close to the Shannon limit. The proposed system is based on probabilistically shaped 64-QAM modulation formats. Adjustable shaping is combined with a fixed-QAM modulation and a fixed forward-error correction code to realize a system with adjustable net data rate that can operate over a large reach range. At the transmitter, an adjustable distribution matcher performs the shaping. At the receiver, an inverse distribution matcher is used. Probabilistic shaping is implemented into a coherent optical transmission system for 64-QAM at 32 Gbaud to realize adjustable operation modes for net data rates ranging from 200 to 300 Gb/s. It is experimentally demonstrated that the optical transmission of probabilistically shaped 64-QAM signals outperforms the transmission reach of regular 16-QAM and regular 64-QAM signals by more than 40% in the transmission reach.read more
Citations
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Journal ArticleDOI
Performance investigation of the probability-aided maximum likelihood sequence detector for a probabilistic shaped 16-QAM system.
Xiaoshuo Jia,Yan Li,Yuyang Liu,Honghang Zhou,Jiaxin Li,Ming Luo,Zhixue He,Chao Yang,Jifang Qiu,Yong Zuo,Wei Li,Xiaobin Hong,Hongxiang Guo,Jianxin Lv,Jian Wu +14 more
TL;DR: In this paper , a probability-aided maximum-likelihood sequence detector (PMLSD) is experimentally investigated through a 64-GBaud probabilistic shaped 16-ary quadrature amplitude modulation (PS-16QAM) transmission experiment.
Journal ArticleDOI
Neural-network-based direct waveform to symbol conversion for joint ISI and ICI cancellation in non-orthogonal multi-band CAP based UDWDM fiber-mmWave integration.
TL;DR: A neural-network-based waveform to symbol converter (NNWSC) is demonstrated, which can directly convert the received NM-CAP waveform into quadrature amplitude modulation (QAM) symbols to simultaneously handle the inter-symbol interference (ISI) and inter-channel interference (ICI) without the need for conventional matched filters and additional ISI and ICI equalizers.
Proceedings ArticleDOI
85.2-Tbit/s Coupled 4-Core Fiber Transmission over 3,120 km Using PS-16QAM Signals
TL;DR: In this article, probabilistic shaping (PS) was adopted to couple multicore fiber transmission to maximize the transmission capacity for the first time by utilizing 152-WDM 24-Gbaud DP-PS-16QAM signals, 85.2-Tbit/s coupled four-core fiber transmission over 3,120 km was demonstrated.
Proceedings ArticleDOI
Enumerative Sphere Shaping: Performance Analysis and Experimental Demonstration in DMT Systems
TL;DR: This work proposes to apply ESS in DMT systems and finds that it produces MB-like probability distributions over a large SNR range and achieves receiver sensitivity gain of 0.82 dB in 20-km SSMF transmission experiments at high shaping rates.
Journal ArticleDOI
Self-adaptive probabilistically shaped star-carrier-less amplitude/phase passive optical network based on simulated annealing algorithm
TL;DR: The experimental results show that the self-adaptive optimal signal transmission can be acquired when the probability ratio of signal points located in the three well-designed rings of the CAP-24 constellation is set as 0.724:0.175; the general PS-star-CAP-32 signal has a gain of 1.5 dB at the 7% hard decision forward error correction limit.
References
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Journal ArticleDOI
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Journal ArticleDOI
Bandwidth Efficient and Rate-Matched Low-Density Parity-Check Coded Modulation
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