Experimental Demonstration of Phase-Sensitive Regeneration of a 20-40 Gb/s QPSK Channel without Phase-Locked Loop using Brillouin Amplification

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

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

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摘要

We experimentally demonstrate all-optical phase-sensitive regeneration of a 20-40Gb/s QPSK signal without a phase-locked loop by amplifying the fourth-harmonic using Brillouin amplification. We observe up to 65% reduction in phase noise and 3.4 dB gain at BER of 10(exp -4).

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