Impact of Symbol Rate Optimization on 6-bit/4D-Symbol Formats in Dispersion-Unmanaged Link

We numerically investigate the impact of symbol rate optimization (SRO) on 6-bit/4D-symbol formats. Improvement of nonlinear tolerance by SRO is observed for uniformly-distributed QAM and PSK but not for a probabilistically-shaped QAM signal.

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Bibliographic Details
Published in2017 Asia Communications and Photonics Conference (ACP) pp. 1 - 3
Main Authors Oyama, Tomofumi, Nakashima, Hisao, Koganei, Yohei, Akiyama, Yuichi, Hoshida, Takeshi
Format Conference Proceeding
LanguageEnglish
Published The Optical Society 01.11.2017
Subjects
Multiplexing
Optical fiber communication
Optical fiber dispersion
Optical fiber polarization
Phase shift keying
Probabilistic logic
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Summary:We numerically investigate the impact of symbol rate optimization (SRO) on 6-bit/4D-symbol formats. Improvement of nonlinear tolerance by SRO is observed for uniformly-distributed QAM and PSK but not for a probabilistically-shaped QAM signal.
ISSN:2162-1098
DOI:10.1364/ACPC.2017.Su1B.1