| 具有复介电常量一维光子晶体的特性研究 |
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| 引用本文： | 许玉龙,郝清海,苏希玉.具有复介电常量一维光子晶体的特性研究[J].量子光学学报,2006,12(2):109-112. |
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| 作者姓名： | 许玉龙 郝清海 苏希玉 |
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| 作者单位： | 曲阜师范大学物理工程学院,山东,曲阜,273165 |
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| 摘 要： | 利用传输矩阵法计算了一维光子晶体的能带结构和光传输特性,重点讨论了介电常量的虚部为负值时对传输特性的影响。当在介质中掺入具有增益特性的介质时,靠近光子带隙边缘就会出现较强的受激辐射放大。同时,光子晶体的长度和介电常量虚部的大小都会影响晶体的受激辐射。随着虚部数值的增加,受激增强并不是单调递增,而是存在一极值点。
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| 关 键 词： | 传输矩阵 光子晶体 复介电常量 增益 |
| 文章编号： | 1007-6654（2006）02-0109-04 |
| 收稿时间： | 2004-11-12 |
| 修稿时间： | 2004年11月12 |
The Research on the Properties of One-dimension Photonic Crystal with the Imaginary Part of Complex Dielectric Constant |
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| XU Yu-long,HAO Qing-hai,SU Xi-yu.The Research on the Properties of One-dimension Photonic Crystal with the Imaginary Part of Complex Dielectric Constant[J].Acta Sinica Quantum Optica,2006,12(2):109-112. |
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| Authors: | XU Yu-long HAO Qing-hai SU Xi-yu |
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| Institution: | Department of Physics, Qufu Normal University, Qufn, Shandong, 273165, China |
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| Abstract: | The transfer matrix method is used to calculate the band structures of 1 D crystals with complex dielectric constant,in this paper,The authors put emphasis on the case of negative imaginary part. The results show that a large enhancement of stimulated emission appears at the photonic band edges. On the one hand,the stimulated emission is strengthened with the increasing of the photonic crystals' priod. On the other hand,when the imaginary part increases to 0.036,the gain reaches the maximum. The paper's conclusion is of use to the experimental study of 1 D crystals. |
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| Keywords: | transfer matrix photonic crystal complex dielectric constant gain |
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