Band structure of a two-dimensional photonic crystal with a triangular lattice of anisotropic elliptic cylinders

被引：7

作者：

Zhuang, F ^{[1
]}

Wu, L

Xiao, SS

He, SL

机构：

[1] Zhejiang Univ, Ctr Opt & Electromagnet Res, State Key Lab Modern Opt Instrumentat, Hangzhou 310027, Peoples R China

[2] Royal Inst Technol, Dept Electromagnet Theory, S-10044 Stockholm, Sweden

[3] Hangzhou Teachers Coll, Dept Phys, Hangzhou 310012, Peoples R China

来源：

CHINESE PHYSICS LETTERS | 2002年 / 19卷 / 01期

关键词：

D O I：

10.1088/0256-307X/19/1/323

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The plane-wave expansion method is used to calculate the band structure of a two-dimensional photonic crystal formed by a triangular lattice of anisotropic elliptic cylinders. After optimizing the parameters of the elliptic cylinders, we End a large bandgap (about 0.0449 w(e), w(e), = 2pic/a) at high frequencies beside a coexisting large absolute gap (about 0.035 w(e)) at low frequencies. Numerical results show that the optimal design is very stable under any parameter perturbation.

引用

页码：73 / 75

页数：3

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