Study on Optimal Design of Multiwavelength Backward-Pumped Fiber Raman Amplifiers
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Graphical Abstract
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Abstract
The theory and mathematical analysis of multiwavelengh backward-pumped fiber Raman amplifier are presented, and an effective optimizing method including a improved genetic algorithm and a shooting method is presented to optimize the pump lights. By numerical simulation, 80 nm bandwidth Raman gain rippled less than 1 dB is attained, and the average on-off gain is 5.93 dB.
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