Excellent polarization-independent reflector based on guided mode resonance effect |
| |
| Authors: | Xu Cheng Xu Lin-Min Qiang Ying-Huai Zhu Ya-Bo Liu Jiong-Tian and Ma Jian-Yong |
| |
| Institution: | School of Materials Science and Engineering, China University of Mining and Technology, Xuzhou 221116, China; School of Chemical Engineering & Technology, China University of Mining and Technology, Xuzhou 221116, China; Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China |
| |
| Abstract: | A broad band polarization-independent reflector working in the telecommunication C+L band is proposed using the guided mode resonance effect of a periodic surface relief element deposited by a layer of silicon medium. It is shown that this structure can provide high reflection (R>99.5%) and wide angular bandwidth (θ≈20°, R>98%) for both TE and TM polarizations over a wide spectrum band 1.5 μm～1.6 μm. Furthermore, it is found by rigorous coupled wave analysis that the polarization-independent reflector proposed here is tolerant of a deviation of grating thickness, which makes it very easy to fabricate in experiments. |
| |
| Keywords: | polarization-independent reflector guided mode resonance rigorous coupled wave analysis |
| 本文献已被 维普 等数据库收录！ |
| 点击此处可从《中国物理 B》浏览原始摘要信息 |
| 点击此处可从《中国物理 B》下载免费的PDF全文 |
|
