The gain and noise characteristics of double cladding ytterbium-doped fiber amplifiers at different pump modes
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Henan Key Laboratory of Laser and Opto-electric Information Technology, Zhengzhou University, Zhengzhou 450052, China
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Corresponding author:
ZHENG Yi, yzheng@zzu.edu.cn
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Received Date:
2005-12-19
Accepted Date:
2006-04-03
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Abstract
In order to investigate the gain and noise characteristics of double cladding ytterbium-doped fiber amplifiers at different pump modes,numerical analysis of 910nm ytterbium-doped fiber amplifiers is performed.The results show that pump mode has less effect on gain than noise figure,and the fiber amplifier has low noise under forward and bi-direction pumping schemes at optimal fiber length.The results are useful for experimental design.
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