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Coupled-Subcarrier Frequency and Polarization Coded Probabilistic Constellation for ROADM Systems

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Abstract

A novel probabilistic-shaped 56 Gbaud DP-QPSK signal using coupled-subcarrier frequency and polarization coding was simultaneously mitigated fiber nonlinearlity, optical filtering and PDL effects. We show 1 dB Q improvement for cascaded ROADM system.

© 2017 Optical Society of America

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