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28 April 2015 Gain equalization of FM-EDFA by optimizing ring doping and mode content of the pump with a genetic algorithm
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Abstract
We investigate gain equalization of a four-mode-group and six-mode-group erbium-doped fiber amplifiers with a genetic algorithm for mode division multiplexing transmission systems by optimizing rare earth dopant profile and pump modes powers, respectively. The optimizing gains are calculated to be > 28 dB between 1520 nm – 1565 nm with a maximum differential modal gain of ~ 2 dB among the mode groups only by optimizing the rare earth ring doping profile in the few-mode erbium-doped fiber.
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Changren Qiu, Tianxin Yang, Dong fang Jia, Zhaoying Wang, and Chunfeng Ge "Gain equalization of FM-EDFA by optimizing ring doping and mode content of the pump with a genetic algorithm", Proc. SPIE 9362, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications VIII, 93621A (28 April 2015); https://doi.org/10.1117/12.2078565
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