Carrier Phase Recovery for Optical Coherent M-QAM Communication Systems Using Harmonic Decomposition-based Maximum Loglikelihood Estimators

Abstract : A novel feedforward M-QAM carrier phase recovery is presented and validated with both square and cross M-QAM up to 128-QAM. The proposed method outperforms the VVMPE-ML method with reduced computational effort and improved linewidth tolerance.
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Trung Hien Nguyen, Michel Joindot, Pascal Scalart, Mathilde Gay, Laurent Bramerie, et al.. Carrier Phase Recovery for Optical Coherent M-QAM Communication Systems Using Harmonic Decomposition-based Maximum Loglikelihood Estimators. OSA Advanced Photonics Congress 2015 (APC 2015), Jun 2015, Boston, MA, United States. SpT4D.3, ⟨10.1364/SPPCOM.2015.SpT4D.3⟩. ⟨hal-01315770⟩

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