Symmetrical analysis of complex two-dimensional hexagonal photonic crystals

被引:42
|
作者
Malkova, N [1 ]
Kim, S
DiLazaro, T
Gopalan, V
机构
[1] Penn State Univ, Inst Mat Res, University Pk, PA 16802 USA
[2] Penn State Univ, Dept Mat Sci & Engn, University Pk, PA 16802 USA
关键词
D O I
10.1103/PhysRevB.67.125203
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We study complex hexagonal photonic crystals with unit cells that include different dielectric cylinders. A general symmetrical perturbation approach for a hexagonal lattice with up to three basis rods is presented that systematically develops other structural derivatives including comblike structures. We show how the band spectrum of these complex structures evolves from the most symmetrical prophase. The results are in agreement with the plane-wave calculations of the band spectrum.
引用
收藏
页数:9
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