Spectral Gain Cross Saturation and Hole-Burning In Wideband Erbium-Doped Fibre Amplifiers

Abstract

Cross saturation characteristics are investigated in broadband 1.48 µm pumped and 980nm pumped, gain-shaped" EDFAs. "Gain-shaping" is shown to give a more uniform spectral gain compression on saturation. In addition room temperature spectral gain hole-burning is observed for the first time.