Experimental Demonstration of Nonlinear Electrical Equalizer to Mitigate Intra-channel Nonlinearities in Coherent QPSK Systems

Conference: ECOC 2009 - 35th European Conference on Optical Communication
09/20/2009 - 09/24/2009 at Vienna, Austria

Proceedings: ECOC 2009

Pages: 2Language: englishTyp: PDF

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Gao, Yan; Zhang, Fan; Li, Juhao; Liu, Liang; Chen, Zhangyuan; Zhu, Lixin; Li, Li; Xu, Anshi (State Key Laboratory of Advanced Optical Communication Systems & Networks, Peking University, Beijing, 100871, China)

We experimentally demonstrate the mitigation of intra-channel nonlinearities in 10GBaud coherent quadrature phase shift keying systems via nonlinear electrical equalizer based on Volterra theory. The performance of nonlinear transmission systems is significantly improved.