Interplay of Probabilistic Shaping and Carrier Phase Recovery for Nonlinearity Mitigation

09/02/2020

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by   Stella Civelli, et al.

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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.