Nonlinear filter based decision feedback equalizer for optical communication systems | Zendy

Xiaoqi Han | Zendy; ChiHao Cheng | Zendy

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Nonlinear filter based decision feedback equalizer for optical communication systems

Author(s) -

Xiaoqi Han,

ChiHao Cheng

Publication year - 2014

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.22.008712

Subject(s) - computer science , optical communication , equalizer , filter (signal processing) , nonlinear system , adaptive equalizer , qam , optical filter , quadrature amplitude modulation , electronic engineering , communications system , optics , telecommunications , bit error rate , decoding methods , physics , engineering , channel (broadcasting) , quantum mechanics , computer vision

Nonlinear impairments in optical communication system have become a major concern of optical engineers. In this paper, we demonstrate that utilizing a nonlinear filter based Decision Feedback Equalizer (DFE) with error detection capability can deliver a better performance compared with the conventional linear filter based DFE. The proposed algorithms are tested in simulation using a coherent 100 Gb/sec 16-QAM optical communication system in a legacy optical network setting.

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