Interplay of Probabilistic Shaping and Carrier Phase Recovery for Nonlinearity Mitigation

preprint2020arXivOpen access

Abstract

The interaction between carrier phase recovery and probabilistic amplitude shaping (PAS) in the nonlinear regime is investigated. We show that, for sufficiently high signal-to-noise ratio, the first provides the same inter-channel nonlinearity mitigation achieved by short block-length PAS.

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