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Hybrid Probabilistic-Geometric Shaped LDPC-coded PM-16QAM in 140 km DWDM Metro Network Communication

Xiao Han, Ivan B Djordjevic, and Aleksandra Z. Jovanovic

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Abstract

We implement a hybrid probabilistic-geometric shaping (PGS) LDPC-coded PM-16QAM in a 140 km DWDM metro-network-communication link. We experimentally demonstrate that hybrid PGS LDPC-coded-modulation scheme can provide 0.95 dB improvement over corresponding uniform-distribution-based scheme.

© 2021 The Author(s)

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