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GAIN-CLAMPED OPTICAL AMPLIFYING APPARATUS USING FIBER RAMAN AMPLIFIER HAVING RAMAN CAVITY
GAIN-CLAMPED OPTICAL AMPLIFYING APPARATUS USING FIBER RAMAN AMPLIFIER HAVING RAMAN CAVITY
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机译:使用具有拉曼腔的光纤拉曼放大器的增益限制型光学放大器
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摘要
Provided is a gain-clamped (GC) optical amplifier using a fiber Raman amplifier (FRA) having a Raman cavity. The FRA having a Raman cavity comprises a Raman fiber module (RFM) amplifying and outputting an input optical signal and a resonant cavity generating a Raman laser and a gain clamping laser (GC laser), wherein the resonant cavity is formed as a feedback loop between an input terminal and an output terminal of the RFM. Accordingly, a gain of an optical signal propagating along a core of RFM keeps a constant value regardless of input signal intensity by generating the GC laser for gain clamping between a wavelength band of the Raman laser and a gain band of input signals.
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