Inproceedings,

High Phase Noise Tolerant Circular-64QAM with Efficient Phase Recovery for Coherent Optical Systems

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Asia Communications and Photonics Conference, page Su3B.7. Optical Society of America, (2017)
DOI: 10.1364/ACPC.2017.Su3B.7

Abstract

We experimentally demonstrate the significant phase noise tolerance increase of 28Gbaud circular-64QAM constellations against its square-64QAM counterpart with a novel, low complexity and high-performance phase recovery scheme employing only 8 test phases.

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