| 用于色散补偿的线性啁啾光纤光栅的最佳切趾包络函数的研究 |
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| 引用本文： | 胡海英,陈鹤鸣.用于色散补偿的线性啁啾光纤光栅的最佳切趾包络函数的研究[J].南京邮电大学学报(自然科学版),2001,21(1):23-27. |
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| 作者姓名： | 胡海英 陈鹤鸣 |
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| 作者单位： | 南京邮电学院光信息技术系, |
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| 摘 要： | 具有切践包络的线性啁啾光纤光栅是用于色散补偿的重要无源器件。通过切趾的方法可以减少啁啾光纤光栅内的时延振荡 ,同时减小反射谱中的旁瓣。用数值方法分析了不同切趾包络函数对光栅特性的影响 ,得到了色散补偿最佳包络函数及其参数 ,给出了最佳包络的普遍特征。
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| 关 键 词： | 啁啾光纤光栅 切趾包络 色散补偿 |
| 文章编号： | 1000-1972(2001)01-0023-05 |
| 修稿时间： | 2000年7月4日 |
A Study on the Optimum Apodizion Function of Linear Chirped Fiber Gratings Used for Dispersion Compensation |
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| HU Hai-ying,CHEN He-ming.A Study on the Optimum Apodizion Function of Linear Chirped Fiber Gratings Used for Dispersion Compensation[J].Journal of Nanjing University of Posts and Telecommunications,2001,21(1):23-27. |
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| Authors: | HU Hai-ying CHEN He-ming |
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| Institution: | HU Hai-ying,CHEN He-ming Department of Optical Information Technology,Nanjing University of Posts and Telecommunications,Nanjing 210003,China |
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| Abstract: | The apodized linear chirped fiber grating is an important passive device for dispersion compensation.With the chirped fiber grating modulation strength or coupling coefficient varied or apodized,both the sidelobes in the grating reflectivity and the group delay oscillations of the grating can be reduced.Numercal analysis is made of the impact of different apodizion functions on the fiber grating performance,Leading to an optimum profile with its parameters for dispersion compensation and generalized characteristics of optimum profiles. |
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| Keywords: | Chirped fiber grating Apodization function Dispersion compensation |
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