| 实现多共振模的一维异质结构光子晶体 |
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| 引用本文： | 蒙成举,苏安.实现多共振模的一维异质结构光子晶体[J].光学技术,2013,39(1):92-96. |
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| 作者姓名： | 蒙成举 苏安 |
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| 作者单位： | 蒙成举:河池学院 物理与电子工程系, 广西 宜州 546300
苏安:河池学院 物理与电子工程系, 广西 宜州 546300
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| 基金项目： | 广西自然科学基金项目(2011GXNSFA018145); 广西高校优秀人才资助计划项目(桂教人［2011］40号); 河池学院青年科研课题立项项目(2012B-N001) |
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| 摘 要： | 用两种正折射率材料设计了一维光子晶体异质结构模型,并利用传输矩阵法对该光子晶体的透射谱进行了理论研究。结果发现:光通过光子晶体时,在较宽的禁带范围内出现透射率为100%的多条共振模,且共振模的数目与光子晶体结构周期数m相对应;当入射角一定时,共振模的位置可以通过介质的折射率、厚度来调制;当入射光入射角度增大时,多共振模出现整体蓝移,同时共振模宽度变窄。这些特性有望应用于多通道窄带滤波器的设计。
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| 关 键 词： | 光子晶体 异质结构 透射谱 共振模 滤波功能 |
| 收稿时间： | 2012/6/19 |
Heterostructures of one-dimensional photonic crystal for realizable multi resonant modes |
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| MENG Chengju,SU An.Heterostructures of one-dimensional photonic crystal for realizable multi resonant modes[J].Optical Technique,2013,39(1):92-96. |
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| Authors: | MENG Chengju SU An |
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| Institution: | (Department of Physics and Electronic Engineering,Hechi University,Yizhou Guangxi 546300,China) |
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| Abstract: | The heterostructure of one-dimensional photonic crystal is designed by using two positive index materials, and its transmission spectrum is investigated by transfer matrix method. It is found that the multi- resonant modes with transmission rate of 100% appeared in the relative wide forbidden band range and the resonant mode’s number is the same as the structure’s cycle when the light passed photonic crystal. The refractive index and thickness of medium can be used to change the position of resonant mode as incident angle is constant. The position of all resonant modes move to blue-ray direction and the width of resonant mode become narrower with the angle of incident light is changed. These features can be applied for design of narrowband multi-channel filter. |
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| Keywords: | photonic crystal heterostructure transmission spectrum resonant mode filter function |
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