Application of nonlinear MLSE combined with FFE in 40Gbit/s Pol-Mux RZ-DQPSK Optical Communication System

Author

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

Author_Institution

State Key Lab. of Inf. Photonics & Opt. Commun., Beijing Univ. of Posts & Telecommun., Beijing, China

fYear

2011

fDate

13-16 Nov. 2011

Firstpage

1

Lastpage

6

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.

Keywords

Volterra equations; compensation; equalisers; feedforward; maximum likelihood sequence estimation; multiplexing; optical fibre communication; optical fibre dispersion; optical fibre polarisation; optical modulation; optical receivers; quadrature phase shift keying; FFE; Pol-Mux RZ-DQPSK; chromatic dispersion; digital equalizers; feed forward equalization; impairment mitigation; joint compensation; long haul transmission; maximum likelihood sequence estimator; nonlinear MLSE; nonlinear Volterra theory; polarisation mode dispersion; Abstracts; Optical fiber dispersion; Optical fibers; EDC; Equalization; FFE; MLSE; Volterra theory;

fLanguage

English

Publisher

ieee

Conference_Titel

Communications and Photonics Conference and Exhibition, 2011. ACP. Asia

Conference_Location

Shanghai

ISSN

2162-108X

Print_ISBN

978-0-8194-8961-6

Type

conf

DOI

10.1117/12.904300

Filename

6210793