Dispersion Compensation Using Decision-Feedback MLSE for Spectrally-Efficient Optical Transmission

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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Zhao, Jian; Chen, Lian-Kuan (Department of Information Engineering, Chinese University of Hong Kong, Shatin, N.T., Hong Kong SAR)
Zhao, Jian (Tyndall National Institute, University College Cork, Cork, Ireland)

We propose a novel decision-feedback maximum likelihood sequence estimation, and numerically demonstrate its use in 10GS/s 8-ASK-DQPSK (8-ASK-QPSK) systems to significantly improve the dispersion tolerance, without increasing the computation complexity exponentially with the format-level number.