[TuP-B] Poster Session 1

[TuP-B-24] Adaptation of 5G NR LDPC-Coded Probabilistic Amplitude Shaping to 50 GBaud PAM4 Signals in IM/DD Bandwidth-limited System

○Xiangchen Kong¹, Yiao Zhang¹, Liyan Wu¹, Yanlu Huang¹, Shangya Han¹, Kai Jin¹, Yanni Ou¹, Kun Xu¹ (1. Beijing University of Posts and Telecommunications (China))

Keywords:

Coding and forward error correction for optical communications,Advanced modulation and demodulation for optical communications,Digital signal processing,advanced modulation,coding and multiplexing

We experimentally demonstrate 50-GBaud probabilistically shaped PAM4 via 5G NR LDPC-coded PAS over 20 km in IM/DD bandwidth-limited system, achieving up to 2.6 dB receiver sensitivity gain over uniformly distributed PAM4 post-FEC decoding and IDM.