Bi-harmonic Decomposition-based Maximum Loglikelihood Estimator for Carrier Phase Estimation of Coherent Optical M-QAM

Trung-Hien Nguyen; Pascal Scalart; Mathilde Gay; Laurent Bramerie; Christophe Peucheret; Olivier Sentieys; Jean–Claude Simon; Michel Joindot

doi:10.1364/OFC.2016.Tu3K.3

Optical Fiber Communication Conference
OSA Technical Digest (online) (Optica Publishing Group, 2016),
paper Tu3K.3
•https://doi.org/10.1364/OFC.2016.Tu3K.3

Bi-harmonic Decomposition-based Maximum Loglikelihood Estimator for Carrier Phase Estimation of Coherent Optical M-QAM

Trung-Hien Nguyen, Pascal Scalart, Mathilde Gay, Laurent Bramerie, Christophe Peucheret, Olivier Sentieys, Jean–Claude Simon, and Michel Joindot

Optical Fiber Communication Conference 2016

Anaheim, California United States
20–22 March 2016
ISBN: 978-1-943580-07-1

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DSP for Coherent Systems (Tu3K)

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T. Nguyen, P. Scalart, M. Gay, L. Bramerie, C. Peucheret, O. Sentieys, J. –C. Simon, and M. Joindot, "Bi-harmonic Decomposition-based Maximum Loglikelihood Estimator for Carrier Phase Estimation of Coherent Optical M-QAM," in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optica Publishing Group, 2016), paper Tu3K.3.

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Abstract

A simple feedforward M–QAM carrier phase estimation method is presented and compared to VVMPE–ML and BPS algorithms with 64–QAM and 128–QAM. The laser-linewidth tolerance of the proposed improved method outperforms that of VVMPE–ML and BPS.

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