| 高增益低噪声全光增益箝制EDFA |
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| 引用本文： | 宋英雄,李迎春,陈健,林如俭.高增益低噪声全光增益箝制EDFA[J].上海大学学报(自然科学版),2006,12(2):120-124. |
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| 作者姓名： | 宋英雄 李迎春 陈健 林如俭 |
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| 作者单位： | 上海大学 通信与信息工程学院， 上海 200072 |
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| 基金项目： | 上海市重点学科建设项目 |
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| 摘 要： | 给出了一种新型全光增益平坦动态增益箝制EDFA的结构.通过采用两级放大，在输出端增加光栅和增益均衡滤波器，在获得高增益低噪声、C波段内平坦增益谱和动态增益箝制效果的同时又兼顾了经济性.仿真结果表明，该结构具有良好的增益箝制性能，在增加／移去波长时，剩余波长的增益保持不变.
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| 关 键 词： | 掺铒光纤放大器 增益平坦 增益箝制 |
| 文章编号： | 1007-2861（2006）02-0120-05 |
| 收稿时间： | 2005-09-01 |
| 修稿时间： | 2005年9月1日 |
All-Optical Gain-Clamped EDFA with High Gain and Low Noise Factor |
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| SONG Ying-xiong,LI Ying-chun,CHEN Jian,LIN Ru-jian.All-Optical Gain-Clamped EDFA with High Gain and Low Noise Factor[J].Journal of Shanghai University(Natural Science),2006,12(2):120-124. |
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| Authors: | SONG Ying-xiong LI Ying-chun CHEN Jian LIN Ru-jian |
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| Institution: | School of Communication and Information Engineering, Shanghai University, Shanghai 200072, China |
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| Abstract: | A novel all-optical EDFA with flat and clamped gain is presented.By using a 2-stage amplifier and adding fiber grating and a gain-flattening filter at the output port,high gain and low noise factor are obtained.Flatness and clamping gain in the C band and the cost is also considered.Simulation results show that this configuration has a good gain-clamping characteristic.When some wavelengths are added or dropped,the gain of remaining channels keeps constant. |
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| Keywords: | gain-clamping gain-flatness EDFA |
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