FEC-assisted Perturbation-based Nonlinear Compensation for WDM Systems

A FEC-assisted iterative perturbation-based nonlinear post-compensation scheme is proposed and experimentally investigated. Improved compensation performance is observed for a 5×WDM-DP 32-GBd dispersion-uncompensated transmission over 3500 and 840 km for 16QAM and 64QAM, respectively.

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