All-optical phase-preserving amplitude regeneration using coherent nonlinear wave mixing


We propose and demonstrate an all-optical tunable phase-preserving scheme for amplitude regeneration of amplitude modulated signals and phase modulated signals based on coherent optical nonlinear wave mixing using HNLF. A regeneration factor of 7 for OOK and a regeneration factor of 2.9 for BPSK are achieved. 

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