Numerical Analysis of Injection-Seeded
Ytterbium-Doped Fiber Laser¹

Y. Liu^{a, b,} *, L. L. Lan^a, S. F. Ren^c, S. G. Zeng^{a, b}, and J. Li^{a, b}

^a College of Science, China Three Gorges University, Yichang, 443002 China

^b Research institute For Solar Energy, China Three Gorges University, Yichang, 443002 China

^c Department of Physics, Heze University, Heze, 274015 China

*e-mail: liuyan703@163.com

Received March 2, 2012; in final form, June 9, 2012; published online September 3, 2012

Abstract—In this paper, the gain characteristics of injection-seeded ytterbium-doped fiber laser were demon-
strated. Comparing with the conventional single-pass and double-pass fiber amplifier, the injection-seeded
ytterbium-doped fiber laser has many advantages: such as high gain or output power, simple structure. The
amplified spontaneous emission (ASE) of this fiber laser also was discussed in detail.

DOI: 10.1134/S1054660X12100131

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