Broad bandgaps of 1-D photonic crystals realized by defect structures

被引：1
|
作者：
Huang, M. D. [1 ]
Xu, Q. [1 ]
Lu, Y. H. [2 ]
Lee, Y. P. [2 ]
Lu, Y. H. [2 ]
Lee, Y. P. [2 ]
Zhang, P. [3 ]
Rhee, J. Y. [4 ]
机构：
[1] Tianjin Normal Univ, Phys & Elect Informat Coll, Tianjin 300387, Peoples R China
[2] Hanyang Univ, Quantum Photon Sci Res Ctr, Seoul 133791, South Korea
[3] Tianjin Acad Agr Sci, Inst Informat, Tianjin 300192, Peoples R China
[4] Sungkyunkwan Univ, Dept Phys, Suwon 440746, South Korea
来源：
JOURNAL OF THE KOREAN PHYSICAL SOCIETY | 2008年 / 52卷
关键词：
1-D photonic crystal; photonic band gap; defect mode;
D O I：
10.3938/jkps.52.30
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
One-dimensional photonic crystals, consisting of a stratified periodic structure and another stratified structure with contained defect layers, have been investigated. It is found that the photonic band gaps of this combined structure can be greatly broadened when it is well designed. The defect-mode range within the band gap caused by the defect layers can be compensated by the photonic band gap of a superposed photonic crystal that has a perfectly periodic structure. Thus, a broad band gap is obtained, characterized by a high level of reflectance. Widened omni-directional band gaps can also be realized by this method.
引用
收藏
页码：S30 / S33
页数：4
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