Autoencoder Learning of Constellation Shaping Robust to Semiconductor Laser Noise and Nonlinearity in Fiber-THz System

Xiang Liu,Jiao Zhang,Min Zhu,Zhigang Xin,Weidong Tong,Yunwu Wang,Bingchang Hua,Yuancheng Cai,Mingzheng Lei,Junjie Ding, Xingyu Chen,Bo Liu,Jianjun Yu

2024 Optical Fiber Communications Conference and Exhibition (OFC)（2024）

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摘要

We experimentally demonstrate the robustness of autoencoder-based constellation shaping against semiconductor laser noise and nonlinearity. Up to 46% lower BER and 1.5 dB gain are achieved in the fiber-THz system at 320 GHz.

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关键词

Autoencoder,Semiconductor Laser,Constellation Shaping,dB Gain,Neural Network,Wireless,Controlled Manner,Nonlinear Effects,Optical Power,Frequency Noise,Phase Noise,Digital Oscilloscope,Time-varying Systems,Arbitrary Waveform Generator,Variable Optical Attenuator,Laser Linewidth

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