Flexible Data-rate and Reach Transmission Employing Hybrid Modulation and Scrambled Coherent Superposition

Talha Rahman,Bernhard Spinnler,Stefano Calabrò,Erik De Man,Antonio Napoli, Bernd Sommerkorn-Krombholz, A. M. J. Koonen,C. M. Okonkwo,Huug de Waardt

43RD EUROPEAN CONFERENCE ON OPTICAL COMMUNICATION (ECOC 2017)（2017）

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摘要

Subcarrier multiplexing hybrid QAM combined with coherent superposition is proposed to achieve flexibility in spectral efficiency (SE) and reach. Experimental evaluation over SSMF shows scalable SE from 4.9 to 1.2 bit/s/Hz with maximum reach from 2000 to 15500 km, respectively.

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关键词

hybrid modulation,hybrid QAM,spectral efficiency

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