A four-passed ytterbium-doped fiber amplifier |
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| Authors: | Liu Yan Wang Chunyu Lu Yutian |
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| Institution: | aShanghai Institute of Optic and Fine Mechanic, The Chinese Academy of Sciences, Shanghai, 201800, China |
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| Abstract: | In this paper, a four-passed ytterbium-doped fiber amplifier (YDFA) is discussed. The gain and the pump and the signal light propagation characteristics of the four-passed YDFA are described. It is found that, while using a shorter length of the fiber, a four-passed fiber amplifier can realize the same output power as a single-pass fiber amplifier, and, for the same fiber lengths, a four-passed fiber amplifier offers a significantly higher power than its single-pass counterpart. |
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| Keywords: | Four passed YDFA Power amplifier |
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