Journal of Shanghai University（Natural Science Edition）
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SONG Ying-xiong,LI Ying-chun,CHEN Jian,LIN Ru-jian
School of Communication and Information Engineering, Shanghai University, Shanghai 200072, China
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Abstract:
A novel alloptical EDFA with flat and clamped gain is presented. By using a 2-stage amplifier and adding fiber grating and a gain-flattening filter at the output port, high gain and low noise factor are obtained. Flatness and clamping gain in the C band and the cost is also considered. Simulation results show that this configuration has a good gain-clamping characteristic. When some wavelengths are added or dropped, the gain of remaining channels keeps constant.
Key words: EDFA, gain-flatness, gain-clamping
SONG Ying-xiong;LI Ying-chun;CHEN Jian;LIN Ru-jian. All-Optical Gain-Clamped EDFA with High Gain and Low Noise Factor[J]. Journal of Shanghai University（Natural Science Edition）.
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URL: https://www.journal.shu.edu.cn/EN/
https://www.journal.shu.edu.cn/EN/Y2006/V12/I2/120
