Single-channel 1.61 Tb/s Optical Coherent Transmission Enabled by Neural Network-Based Digital Pre-Distortion

Vinod Bajaj,Fred Buchali,Mathieu Chagnon,Sander Wahls,Vahid Aref

2020 EUROPEAN CONFERENCE ON OPTICAL COMMUNICATIONS (ECOC)（2020）

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摘要

We propose a novel digital pre-distortion (DPD) based on neural networks for high-baudrate optical coherent transmitters. We demonstrate experimentally that it outperforms an optimized linear DPD giving a 1.2 dB SNR gain in a 128GBaud PCS-256QAM single-channel transmission over 80km of standard single-mode fiber resulting in a record 1.61 Tb/s net data rate.

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关键词

optical coherent transmission,neural network-based digital pre-distortion,novel digital pre-distortion,neural networks,high-baudrate optical coherent transmitters,optimized linear DPD,dB SNR gain,128GBaud PCS-256QAM single-channel transmission,standard single-mode fiber,noise figure 1.2 dB,size 80.0 km

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