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| 双包层Er^3＋／Yb^3＋共掺光纤放大器系统结构设计及其性能分析 | |
| 引用本文： | 林琪,黎明,林志文.双包层Er^3＋／Yb^3＋共掺光纤放大器系统结构设计及其性能分析[J].湖北师范学院学报(自然科学版),2012,32(2):72-76. |
| 作者姓名： | 林琪 黎明 林志文 |
| 作者单位： | 1. 深圳职业技术学院,广东深圳,518055 2. 湖北师范学院,湖北黄石,435002 3. 黄州理工中等专业学校,湖北黄州,438000 |
| 摘 要： | 基于光传输方程，数值分析了所设计的双包层Er^3＋／Yb^3＋共掺光纤放大器系统结构在980nm泵浦下，输出信号功率和噪声特性；讨论了它们随输入信号功率、输入信号波长、泵浦信号波长和光纤包层面积的关系。结果表明，该系统结构在输入信号小于-30dBm，激活光纤长度为4m时，输出信号功率超过10dBm，增益高于35dB，噪声系数受光纤内包层与纤芯面积之比影响较大，且小于3．5dB． |
| 关 键 词： | 光纤通信 双包层铒镱共掺光纤 光传输方程 光环形器 |
Performance analysis of a novel double- clad Er^3＋/Yb^3＋ co- doped fiber amplifier designed |
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| LIN Qi,LI Ming,LIN Zhi-wen.Performance analysis of a novel double- clad Er^3＋/Yb^3＋ co- doped fiber amplifier designed[J].Journal of Hubei Normal University(Natural Science),2012,32(2):72-76. | |
| Authors: | LIN Qi LI Ming LIN Zhi-wen |
| Institution: | 1.Shenzhen Polytechnic College,Shenzhen 518055,China; 2.Hubei Normal University,Huangshi 435000,China; 3.Huangzhou Polytechnic Specialized Secondary School,Huangzhou 438000,China) |
| Abstract: | Based on light propagation equation,the output signal power,gain and noise characteristics of a novel double-clad Er3+/Yb3+ co-doped fiber amplifier designed pumped at 980nm were investigated numerically.Their changes as functions of the input signal power,input signal wavelength,input pump signal wavelength and the ratio of cladding to core area were described.From a 4m long double-clad Er/Yb co-doped fiber,for the input signal power less than-30dBm,the output signal power,gain and noise figure impacted on the ratio of the fiber cladding to core area greatly were obtained more than 10dBm,more than 35dB and less than 3.5dB,respectively. |
| Keywords: | fiber communication double- clad Er^3+/Yb^3+ co- doped fiber light propagation equation optical circulator |
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