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Conferences > OFC > 2012 > OTh3C > OTh3C.3

Fractionally-Spaced Statistical Equalizer for Fiber Nonlinearity Mitigation in Digital Coherent Optical Systems

Toshiaki Koike-Akino, Kieran Parsons, Keisuke Kojima, Chunjie Duan, Tsuyoshi Yoshida, Takashi Sugihara, and Takashi Mizuochi

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Abstract

We propose a fractionally-spaced equalizer with trained second-order statistics to deal with nonlinear impairment in coherent optical communications. The proposed 3-tap equalizer improves Q-factor by more than 2 dB for long-haul transmissions of 5,230 km.

© 2012 Optical Society of America

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