Abstract
In this paper, Dispersion compensation and nonlinear distortion analysis in telecom and CATV co-network transmission systems supported by the China Ministry of Information Industry are reported. This paper investigates: 1) the impact of dispersion compensation fiber (IDCF) on fiber nonlinear effects with a cascade of erbium-doped fiber amplifiers (EDFAs) and different dispersion compensation schemes, 2) the complex impact on the total nonlinear distortion induced by EDFA gain tilt and the light source. As a result, an optimal dispersion compensation scheme and EDFA negative gain tilt are suggested as a solution to dispersion compensation and self-compensation of the nonlinear distortion.
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