Simplified TC-MLSE Equalizer for 210-Gb/s PAM-8 Signal Transmission in IM/DD Systems

Jiahao Zhou,Jing Zhang,Xue Zhao,Wenshan Jiang,Shaohua Hu,Mingyue Zhu,Kun Qiu

2022 Optical Fiber Communications Conference and Exhibition (OFC)（2022）

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摘要

We propose and experimentally demonstrate a trellis-compression MLSE in a 210-Gb/s PAM-8 signal transmission over 2-km SSFM transmission. We find TC-MLSE can reduce the complexity by 98% with only 0.2-dB penalty compared with conventional MLSE.

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关键词

PAM-8 signal transmission,SSFM transmission,standard single mode fiber system,trellis compression-MLSE equalizer,maximum likelihood sequence estimation,intensity modulation-direct-detection,IM-DD systems,TC-MLSE equalizer

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