Symmetry relations of two-dimensional photonic crystal cavity modes

被引:45
作者
Kim, SH [1 ]
Lee, YH [1 ]
机构
[1] Korea Adv Inst Sci & Technol, Dept Phys, Taejon 305701, South Korea
关键词
degeneracy; group theory; photonic crystal cavity; plane-wave expansion method;
D O I
10.1109/JQE.2003.816093
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Degeneracy of resonant modes in two-dimensional (2-D) photonic crystal cavities are investigated using the symmetry relations. The 2-D photonic crystal cavity tends to have either a pair of doubly degenerate modes or nondegenerate modes. We derive simple relations between degenerate modes without using a rigorous group theory. These relations are useful for classifying the resonant modes into degenerate pairs and nondegenerate ones.
引用
收藏
页码:1081 / 1085
页数:5
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