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Performance Comparison of Advanced Modulation Formats for Transoceanic Coherent Systems

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Abstract

We experimentally compare the performance of probabilistically-shaped 64QAM (PS64QAM), 64APSK, 64QAM and 32QAM in terms of both SNR and mutual information for transoceanic distances. We show that PS64QAM outperforms all other formats.

© 2017 Optical Society of America

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