Chinese Journal of Lasers, Volume. 41, Issue 12, 1205003(2014)

High Power All-Optical Gain-Clamped and Gain-Flattened Fiber Amplifier

Du Yang*, Hu Guijun, Bai Song, Yang Yating, and Wei Jingbo
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    With the configuration of two-stage amplifying, the high power fiber amplifier with gain clamping and gain flattening is constructed. It makes gain flattened and gain clamped using fiber loop mirror (FLM) combined with two fiber Bragg gratings (FBGs). The output performance of the amplifier is tested, which shows that the maximum output power is 1.399 W and the gain fluctuation is reduced to ±0.75 dB in the range from 1535 nm to 1547 nm. Under the conditions of inputing small power and high power signals, the gain control characteristics of amplifier are researched, respectively. As the input power of channel 2 changing from -33.7 dBm to -2.5 dBm or -14.8 dBm to 16.4 dBm, the excursion ranges of channel 1 can be 0.04 dB and 0.06 dB, respectively.

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    Du Yang, Hu Guijun, Bai Song, Yang Yating, Wei Jingbo. High Power All-Optical Gain-Clamped and Gain-Flattened Fiber Amplifier[J]. Chinese Journal of Lasers, 2014, 41(12): 1205003

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    Paper Information

    Category: Optical communication

    Received: Jun. 2, 2014

    Accepted: --

    Published Online: Oct. 30, 2014

    The Author Email: Du Yang (dy19890322@163.com)

    DOI:10.3788/cjl201441.1205003

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