supported by the National Natural Science Foundation of China(No.61671108);the Fundamental Research Funds for the Central Universities(No.ZYGX2014J005);the Program for Changjiang Scholars and Innovative Research Team in University
All-optical regenerators can be used to suppress amplified spontaneous emission(ASE) noise introduced by cascaded erbium doped fiber amplifiers(EDFAs) in optical fiber communication systems and lead to the improvement...