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Gain performances of 980 nm-pumped erbium-doped fiber amplifiers

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Abstract

Through the introduction of the overlapping factors between the light (pump and signal) intensities and the erbium doping distributions inside the fiber core, analytical solutions of homogeneously broadened two-level systems for erbium-doped fiber amplifiers pumped in the 980 nm absorption band have been derived from EDFA rate equations and light propagation equations in steady-state case. By using these deduced expressions and numerical simulated methods, important features characterizing the amplifiers such as gain, pump threshold power, optimum fiber length have been analyzed and discussed.

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Project supported by the Chinese Academy of Sciences.

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Geguo, D., Guofu, C. Gain performances of 980 nm-pumped erbium-doped fiber amplifiers. Sci. China Ser. A-Math. 42, 286–292 (1999). https://doi.org/10.1007/BF02879063

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  • DOI: https://doi.org/10.1007/BF02879063

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