Pilot-aided Pump Dithering Removal in Degenerate FWM-based Optical Phase Conjugation Systems with Higher-order QAM.

Jiaqian Yang,Eric Sillekens,Ronit Sohanpal,Filipe M. Ferreira,Zhixin Liu,Polina Bayvel,Robert I. Killey

OFC（2023）

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摘要

A pump dithering removal algorithm, based on pilot sequence-aided DSP, is proposed and experimentally validated in dual polarization 64 QAM optical phase conjugation system. A 4.2 dB SNR improvement was observed due to the SBS suppression.

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关键词

4.2 dB SNR improvement,degenerate FWM-based optical phase conjugation systems,dual polarization 64 QAM optical phase conjugation system,higher-order QAM,noise figure 4.2 dB,pilot sequence-aided DSP,pilot-aided pump dithering removal,removal algorithm

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