Title :
MLSE-based nonlinearity mitigation for WDM 112 Gbit/s PDM-QPSK transmissions with digital coherent receiver
Author :
Stojanovic, N. ; Huang, Y. ; Hauske, F.N. ; Fang, Y. ; Chen, M. ; Xie, C. ; Xiong, Q.
Author_Institution :
Eur. Res. Center, Huawei Technol. Duesseldorf GmbH, Munich, Germany
Abstract :
We investigate the performance of linear equalization combined with MLSE in long-haul transmission. In the nonlinear regime with high launch powers Q-factor improvement up to 1.4 dB is demonstrated with a quaternary state model.
Keywords :
Q-factor; maximum likelihood sequence estimation; nonlinear optics; optical receivers; quadrature phase shift keying; wavelength division multiplexing; MLSE-based nonlinearity mitigation; PDM-QPSK transmission; Q-factor; WDM; bit rate 112 Gbit/s; digital coherent receiver; linear equalization; long-haul transmission; maximum likelihood sequence estimation; polarization division multiplexed quaternary phase shift keying; quaternary state model; Bit error rate; Complexity theory; Gain; Maximum likelihood estimation; Measurement; Memory management; Phase shift keying;
Conference_Titel :
Optical Fiber Communication Conference and Exposition (OFC/NFOEC), 2011 and the National Fiber Optic Engineers Conference
Conference_Location :
Los Angeles, CA
Print_ISBN :
978-1-4577-0213-6
