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5 September 2002Automatic gain control for Raman fiber amplifiers
A dynamic gain control (DGC) technique for the multi-wavelength-pumped fiber Raman amplifier (FRA) is presented. It introduced an all-optical feedback to inject a portion of the signal power into the system by using a variable attenuator. The stable performance of the proposed gain-clamped FRA was simulated and the noise performance was also discussed.
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Jingping Ning, Xiaochun Lu, Zhiqiang Chen, "Automatic gain control for Raman fiber amplifiers," Proc. SPIE 4913, Semiconductor Lasers and Applications, (5 September 2002); https://doi.org/10.1117/12.482245