Author:
Pelusi Mark,Matsumoto Ryosuke,Inoue Takashi,Namiki Shu
Abstract
Pre-compensation of nonlinear signal distortion in a transmission link by optical phase conjugation is enhanced by a Raman-amplified parameter profiled fiber for improved propagation symmetry. Application to 5×12 Gb/s DP 16-QAM signals before a 2×160 km link demonstrates 2.2 dB higher Q2-factor.