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Linewidth-Tolerant Carrier Phase Estimation Scheme using Quasi-QPSK-Partitioning for 64-QAM Coherent Systems

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Abstract

We propose a linewidth-tolerant carrier phase estimation scheme using Quasi-QPSK-Partitioning for 64-QAM signals. Comprehensive numerical simulation results demonstrate its effectiveness and greatly enhanced linewidth tolerance to the conventional method.

© 2017 Optical Society of America

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