| 两端镜像对称缺陷三元光子晶体的特性研究 |
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| 引用本文： | 陈海波,高英俊.两端镜像对称缺陷三元光子晶体的特性研究[J].光电子技术,2009,29(2). |
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| 作者姓名： | 陈海波 高英俊 |
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| 作者单位： | 1. 茂名学院,物理系,广东,茂名,525000
2. 广西大学,物理科学与工程技术学院,南宁,530004 |
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| 基金项目： | 国家自然科学基金资助项目，广西科学基金资助项目，茂名学院自然科学基金资助项目 |
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| 摘 要： | 运用光学传输矩阵理论,研究了两端镜像对称缺陷层一维三元光子晶体的光传输特性,并比较了一维三元光子晶体与一维二元光子晶体的禁带特性.数值模拟结果得出:一维三元光子晶体的禁带明显宽于二元光子晶体;且在三元光子晶体两端加相同缺陷层后,禁带展宽的同时出现了多个窄的透射峰.考察了影响透射峰的主要因素,缺陷层的折射率越大,透射峰越尖锐;缺陷层的光学厚度在500 nm到800 nm范围内,缺陷层的光学厚度越大,透射峰越尖锐,且向长波方向移动;光子晶体的周期数越大,透射峰越尖锐,且透射峰的个数增加.这种结构可用来实现多通道窄带滤波器,通过调节各个参数可得到所需要的波长以及通道数目的窄带滤波器.
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| 关 键 词： | 一维三元光子晶体 两端缺陷层 禁带展宽 多通道滤波器 |
Properties of 1D Three Element Photonic Crystal with Two Mirror Symmetrical Defect Layer at the Two Ports |
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| Chen Haibo,Gao Yingjun.Properties of 1D Three Element Photonic Crystal with Two Mirror Symmetrical Defect Layer at the Two Ports[J].Optoelectronic Technology,2009,29(2). |
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| Authors: | Chen Haibo Gao Yingjun |
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| Affiliation: | Chen Haibo1,Gao Yingjun2(1.Department of Physics,Maoming College,Maoming Guangdong 525000,CHN,2.College of Physical Science and Engineering,Guangxi University,Nanning 530004,CHN) |
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| Abstract: | By using the method of optical transfer matrix,the optical transmission properties of 1D three element photonic crystal with two mirror symmetrical defect layer at the two ports are studied.The difference of band function between 1D three element photonic crystals and 1D two element photonic crystals are compared.The investigation results show that the bandwidth of 1D three element photonic crystal is largely wider than that of 1D two element photonic crystal;The bandwidth is extended and several transmitta... |
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| Keywords: | 1D three element photonic crystal two defect layers at the two ports bandwidth extended multiple channel filters |
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