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Optica, Optics Express, 3(29), p. 3123, 2021

DOI: 10.1364/oe.414103

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First Experimental Demonstration of Super-Symbol Transmission for Improved Fiber Nonlinearity Tolerance

Journal article published in 2021 by Qing Guo, Wei-Ren Peng, An Li, Yan Cui, Yusheng Bai
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

We experimentally verified the enhanced nonlinear tolerance of probabilistic shaping (PS) 64QAM super symbol (SUP) transmission over both dispersion uncompensated and compensated standard single mode fiber (SSMF) links. PS-64QAM with SUP is found to provide ∼0.51- and ∼1.6-dB gains in OSNR over PS-64QAM with traditional probabilistic amplitude shaping, after ∼1000-km uncompensated and 320-km compensated links, respectively.