双级l波段EDFA的增益箝位通过回收一个反向ASE

Proceedings. Student Conference on Research and Development, 2003. SCORED 2003. Pub Date : 2003-05-01 DOI:10.1109/SCORED.2003.1459660

S. Harun, N. Tamchek, H. Ahmad

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引用次数: 0

摘要

研究了双级长波长(l波段)掺铒光纤放大器(EDFA)的增益箝位。它使用两个环行器和一个宽带光纤布拉格光栅(FBG)从第二级将浪费的传统波段(c波段)放大自发发射(ASE)布线，并将其发射回第一级的输入端。放大器增益箝位在16.5 dB，变化小于0.2 dB，动态范围高达-7.5 dBm, VOA损耗为4 dB。箝位增益水平也可以控制在15.0到22.9 dB，通过增加VOA损失从0到32 dB，没有太大的变化噪声系数。

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Gain clamping in dual-stage L-band EDFA by recycling a backward ASE

Gain clamping in dual-stage long-wavelength (L-band) erbium-doped fiber amplifier (EDFA) is demonstrated. It uses two circulators and a broadband fiber Bragg grating (FBG) to route a wasted backward conventional band (C-band) amplified spontaneous emission (ASE) from the second stage and launch it back into the input end of the first stage. The amplifier gain is clamped at 16.5 dB with variation less than 0.2 dB and the dynamic range up to -7.5 dBm for the VOA loss of 4 dB. The clamped gain level also can be controlled from 15.0 to 22.9 dB by increasing the VOA loss from 0 to 32 dB without much variation in noise figure.

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Proceedings. Student Conference on Research and Development, 2003. SCORED 2003.

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