256-Gbps PAM-4 O-band 10-km transmission with 1 sample/symbol under 18.5-GHz bandwidth limitation using NL-MLSE with Decision Feedback.

Hiroki Taniguchi,Shuto Yamamoto,Akira Masuda,Yoshiaki Kisaka

Photonics in Switching and Computing (PSC)（2022）

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摘要

We demonstrate 128-Gbaud PAM4 10-km transmission with BER below the HD-FEC limit in 3-dB bandwidth of 18.5-GHz with NL-MLSE based on decision feedback and review the effect of feedback on a multitude of determined symbols.

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关键词

bandwidth limitation,transmission,o-band,nl-mlse

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