Transmission of Hybrid Probabilistically and Geometrically Shaped 256QAM at 49-Gbaud in a 50-GHz Spacing WDM System

Junjie Ding,Kaihui Wang,Miao Kong,Cuiwei Liu,Wen Zhou,Li Zhao,Bo Liu,Xiangjun Xin,Jianjun Yu

Transmission of Hybrid Probabilistically and Geometrically Shaped 256QAM at 49-Gbaud in a 50-GHz Spacing WDM System

2020

Junjie Ding
Kaihui Wang
Miao Kong
Cuiwei Liu
Wen Zhou
Li Zhao
Bo Liu
Xiangjun Xin
Jianjun Yu

We experimentally demonstrated 10×614.4-Gbps 256QAM coherent WDM transmission over 400-km SSMF based on a new hybrid probabilistically and geometrically shaped signal with 50-GHz frequency spacing, obtaining 2-dB shaping gain compared with regular 256QAM.

Keywords:

Wavelength-division multiplexing
Probabilistic logic
bit rate
Transmission (mechanics)
Time–frequency analysis
Quadrature amplitude modulation
Electronic engineering
wdm transmission
Physics
Signal-to-noise ratio

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