| Bragg光纤光栅的非线性开关特性研究 |
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| 引用本文： | 杨广强,郭勇,宋继恩,黄永清,任晓敏. Bragg光纤光栅的非线性开关特性研究[J]. 半导体光电, 2004, 25(2): 94-97 |
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| 作者姓名： | 杨广强 郭勇 宋继恩 黄永清 任晓敏 |
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| 作者单位： | 北京邮电大学,光通信中心,北京,100876;北京邮电大学,光通信中心,北京,100876;北京邮电大学,光通信中心,北京,100876;北京邮电大学,光通信中心,北京,100876;北京邮电大学,光通信中心,北京,100876 |
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| 摘 要： | 从耦合模理论出发,通过单独改变入射波中心波长、光纤光栅长度及耦合系数,数值研究了光纤光栅双稳态开关特性,给出了输入输出特性与这些参数的单一依赖关系曲线,得出一些有意义的结论.在此基础上,对如何减小非线性开关阈值进行了总结和探讨,并提出运用稀土掺杂光纤光栅与F-P腔相结合的结构来降低光开关阈值.
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| 关 键 词： | Bragg光纤光栅 开关特性 双稳态 |
| 文章编号： | 1001-5868(2004)02-0094-04 |
| 修稿时间： | 2003-09-18 |
Nonlinear Switching Characteristics of Fiber Bragg Gratings |
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| YANG Guang-qiang,GUO Yong,SONG Ji-en,HUANG Yong-qing,RER Xiao-min Center of Optical Communication,Beijing University of Posts and Telecommunications,Beijing ,CHN. Nonlinear Switching Characteristics of Fiber Bragg Gratings[J]. Semiconductor Optoelectronics, 2004, 25(2): 94-97 |
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| Authors: | YANG Guang-qiang GUO Yong SONG Ji-en HUANG Yong-qing RER Xiao-min Center of Optical Communication Beijing University of Posts Telecommunications Beijing CHN |
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| Affiliation: | YANG Guang-qiang,GUO Yong,SONG Ji-en,HUANG Yong-qing,RER Xiao-min Center of Optical Communication,Beijing University of Posts and Telecommunications,Beijing 100876,CHN |
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| Abstract: | By solving numerically the nonlinear coupled-mode equations (NLMS), thenonlinear switching characteristics of continuous-wave (CW) transmitted through fiber Bragggratings are investigated. The effets of different parameters on switching characteristics havebeen obtained respectively. In order to reduce the switching power threshold, four methods havebeen suggested and explained in the last section in the paper. Then, a new structure has been putforward for reducing the switching power threshold. |
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| Keywords: | fiber Bragg gratings nonlinear switcing characteristics switching power threshold |
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