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Conferences > SPPCom > 2021 > SpTh2F > SpTh2F.4

Impact of Laser Phase Noise on Optimizing the Constellation Size for Probabilistically Shaped Signals

Qiulin Zhang and Chester Shu

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Abstract

Probabilistically shaped signals with intermediate constellation sizes are found to be relatively tolerant to laser phase noise. We demonstrate experimentally that PS-100 QAM is superior to PS-256 QAM for 200-kHz sum linewidth heterodyne detection.

© 2021 The Author(s)

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