| 光纤Bragg光栅的电磁波理论及其数值分析 |
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| 引用本文： | 蒋泽,付钰. 光纤Bragg光栅的电磁波理论及其数值分析[J]. 半导体光电, 2006, 27(3): 244-246 |
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| 作者姓名： | 蒋泽 付钰 |
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| 作者单位： | 重庆邮电大学,光电工程学院,重庆,400065;重庆邮电大学,光电工程学院,重庆,400065 |
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| 摘 要： | 以电磁波耦合模理论为基础,在正向基模与反向包层模的耦合作用存在时,导出了光纤Bragg光栅的反射率、透射率的解析表达式.通过对相关理论结果的数值分析,研究了光纤Bragg光栅的光谱特性,表明了光栅参数以及包层模式对其光谱特性的影响.所得结果为光纤光栅器件的优化设计及其应用提供了理论基础.
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| 关 键 词： | 光纤Bragg光栅 耦合模方程 反射特性 透射特性 |
| 文章编号： | 1001-5868(2006)03-0244-03 |
| 收稿时间： | 2006-01-20 |
| 修稿时间： | 2006-01-20 |
Electromagnetic Wave Theory of Fiber Bragg Grating and Its Numerical Analysis |
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| JIANG Ze,FU Yu. Electromagnetic Wave Theory of Fiber Bragg Grating and Its Numerical Analysis[J]. Semiconductor Optoelectronics, 2006, 27(3): 244-246 |
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| Authors: | JIANG Ze FU Yu |
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| Affiliation: | College of Electronic Engineering,Chongqing University of Posts and Telecommunications,Chongqing 400065 ,CHN |
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| Abstract: | Based on electromagnetic wave coupled-mode theory,the analytical expressions ot the reflectivity and transmissivity are derived in the case that the forward core modes coupling to the opposite cladding modes are considered. With the numerical analysis on the theoretical results,the spectral characteristics of the fiber Bragg grating are investigated. The influences of the grating parameters and the clad mode on the spectral characteristics are farther studied. Thus, the theoretical fundamentals have been provided for the optimal designing of the fiber grating elements and their applications. |
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| Keywords: | fiber Bragg grating coupled-mode equations reflection characteristics transmission characteristics |
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