Carrier Phase Recovery for Optical Coherent M-QAM Communication Systems Using Harmonic Decomposition-based Maximum Loglikelihood Estimators
- Nguyen, Trung Hien
- Joindot, Michel
- Scalart, Pascal
- Gay, Mathilde
- Bramerie, Laurent
- Sentieys, Olivier
- Simon, Jean-Claude
DOIAbstract
International audienceA 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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