双向掺铒光纤放大器的特性分析

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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 The structure scheme of bidirectional erbium-doped fiber amplifier is discussed. Based on the steady-state amplification rate equation model of bidirectional erbium-doped fiber amplifier which takes into account the amplified spontaneous emission and background loss, the effects of gain and erbium-doped fiber length, input signal power, Power and pumping mode parameters such as the relationship between unidirectional and bi-directional power pumping forward and reverse noise figure with the positive and negative signal light input power change behavior
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