Gain performances of 980 nm-pumped erbium-doped fiber amplifiers |
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Authors: | Du Geguo Chen Guofu |
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Institution: | (1) State Key Laboratory of Transient Optics Technology, Xi’an Institute of Optics and Precision Mechanics, 710068 Xi’an, China |
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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.
Project supported by the Chinese Academy of Sciences. |
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Keywords: | erbium-doped fiber amplifier rate equation gain |
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