Calculation of ytterbium-doped double-cladding CW fiber amplifiers

Xiao Zhang; Yanrong Song; Zhenhua Yu; Xinping Zhang

doi:10.1117/12.905137

29 November 2011 Calculation of ytterbium-doped double-cladding CW fiber amplifiers

Xiao Zhang, Yanrong Song, Zhenhua Yu, Xinping Zhang

Proceedings Volume 8307, Passive Components and Fiber-Based Devices VIII; 830725 (2011) https://doi.org/10.1117/12.905137
Event: SPIE/OSA/IEEE Asia Communications and Photonics, 2011, Shanghai, China

Abstract

With 4th-order Runge-kutta method and relaxation method, we obtain the power distribution of pump light and signal light along fiber by solving the steady-state rate equations in ytterbium-doped double-cladding fiber amplifier. The relationships between the output power and the fiber length are discussed with different pump power and different doped concentrations of the fiber. The change of the output power versus the pump power is calculated. The power distribution along fiber and the relationship between output power and input power are analyzed when the signal is injected from z=L and z=0 respectively.

Citation Download Citation

Xiao Zhang, Yanrong Song, Zhenhua Yu, and Xinping Zhang "Calculation of ytterbium-doped double-cladding CW fiber amplifiers", Proc. SPIE 8307, Passive Components and Fiber-Based Devices VIII, 830725 (29 November 2011); https://doi.org/10.1117/12.905137

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