光学学报, 1999, 19 (11): 1484, 网络出版: 2006-08-09   

双向掺铒光纤放大器的特性分析

Analysis of Amplification Characteristics of Bidirectional EDFAs
作者单位
东南大学电子工程系,南京210096
摘要
讨论了双向掺铒光纤放大器的结构方案,利用考虑放大的自发辐射和背景损耗影响的双向掺铒光纤放大器稳态放大速率方程模型分析了增益与掺铒光纤长度、输入信号光功率、抽运光功率及抽运方式等参数之间的关系,研究了单向和双向等功率抽运下正反向噪声系数随正反向信号光输入功率的变化行为。
Abstract
The rate equation model is setup for the signal gain, pump absorption and output noise spectrum of bidirectional erbium-doped fiber amplifier (Bi-EDFA) including numbers of signals, pumps of arbitrary direction, amplified spontaneous emission(ASE) and inherent loss. The influences of erbium-doped fiber length, input signal power, pump style and pump power on the gain characteristis of Bi-EDFA are analyzed. Forward- and backward- noise figure for different pump style versus bidirectional input signal power is investigated. With these results, the optimal design for Bi-EDFAs in optical communication systems and networks can be performed.
参考文献

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毛庆和, 王劲松, 孙小菡, 张明德. 双向掺铒光纤放大器的特性分析[J]. 光学学报, 1999, 19(11): 1484. 毛庆和, 王劲松, 孙小菡, 张明德. Analysis of Amplification Characteristics of Bidirectional EDFAs[J]. Acta Optica Sinica, 1999, 19(11): 1484.

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