Experimental Investigation of Quasi-Periodic Power Spectrum in Raman-Assisted Phase Sensitive Amplifier for 10/20/50-Gbaud QPSK and 10-Gbaud 16QAM

Yinwen Cao,Fatemeh Alishahi,Youichi Akasaka,Morteza Ziyadi,Ahmed Almainman,Amirhossein Mohajerin-Ariaei,Changjing Bao,Peicheng Liao,Ahmad Fallahpour,Bishara Shamee,Tadashi Ikeuchi,Shigehiro Takasaka,Ryuichi Sugizaki,Joe Touch,Moshe Tur,Alan E. Willner

ECOC 2016; 42nd European Conference on Optical Communication（2016）

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摘要

Raman-assisted PSA without phase-stabilization-loop is experimentally evaluated by placing signals at different locations in a quasi-periodic PSA power spectrum. With phase adjustment, an 18dB peak-dip gain-extinction-ratio difference is observed. Improved performance is demonstrated using 10/20/50-Gbaud QPSK and 10-Gbaud 16QAM signals.

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