Nearly free-photon approximation for two-dimensional photonic crystal slabs

被引：54

作者：

Ochiai, T ^{[1
]}

Sakoda, K

机构：

[1] Univ Autonoma Madrid, Fac Ciencias, Dept Fis Teor Mat Condensada, E-28049 Madrid, Spain

[2] Hokkaido Univ, Res Inst Elect Sci, Sapporo, Hokkaido 0600812, Japan

来源：

PHYSICAL REVIEW B | 2001年 / 64卷 / 04期

关键词：

D O I：

10.1103/PhysRevB.64.045108

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The nearly free-photon approximation for two-dimensional photonic crystal slabs is investigated. Diffraction loss and mixing of different polarizations in the photonic crystal slabs are quantitatively estimated. The selection rules among irreducible representations of k groups are shown to be essential in these phenomena. Numerical calculations in terms of the finite-difference time-domain method for a photonic crystal stab with a weak periodic modulation show good agreement with the results of the nearly free-photon approximation.

引用

页数：11

共 25 条

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