Application of nonlinear MLSE combined with FFE in 40Gbit/s Pol-Mux RZ-DQPSK optical communication system

Mi Lin; Jinnan Zhang; Yangan Zhang; Minglun Zhang; Yongqing Huang

doi:10.1117/12.904300

14 December 2011 Application of nonlinear MLSE combined with FFE in 40Gbit/s Pol-Mux RZ-DQPSK optical communication system

Mi Lin, Jinnan Zhang, Yangan Zhang, Minglun Zhang, Yongqing Huang

Author Affiliations +

Proceedings Volume 8309, Optical Transmission Systems, Subsystems, and Technologies IX; 830927 (2011) https://doi.org/10.1117/12.904300
Event: SPIE/OSA/IEEE Asia Communications and Photonics, 2011, Shanghai, China

Abstract

Compared to other digital equalizers, MLSE (maximum likelihood sequence estimator) equalizer seem to be the most promising candidate solution to mitigate impairments caused by CD, PMD and fiber's nonlinearity. A novel MLSE equalizer technology combined with FFE based on nonlinear Volterra theory is investigated, which shows superior performance for joint compensation of all distortion effects in uncompensated 40Gbit/s Pol-Mux RZ-DQPSK optical transmission system. The receiver can achieve a long haul transmission with 280 km without any optical dispersion compensation.

Citation Download Citation

Mi Lin, Jinnan Zhang, Yangan Zhang, Minglun Zhang, and Yongqing Huang "Application of nonlinear MLSE combined with FFE in 40Gbit/s Pol-Mux RZ-DQPSK optical communication system", Proc. SPIE 8309, Optical Transmission Systems, Subsystems, and Technologies IX, 830927 (14 December 2011); https://doi.org/10.1117/12.904300

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