Optical Tamm states in photonic structures made of inhomogeneous material

被引：11

作者：

Zheng, Yazhuo ^{[1
]}

Wang, Yongxing ^{[1
]}

Luo, Jie ^{[1
]}

Xu, Ping ^{[1
]}

机构：

[1] Suzhou Univ, Dept Phys, Jiangsu Key Lab Thin Films, Suzhou 215006, Peoples R China

来源：

OPTICS COMMUNICATIONS | 2018年 / 406卷

基金：

中国国家自然科学基金;

关键词：

Tunable; Optical Tamm state; Photonic crystal; Inhomogeneous material;

D O I：

10.1016/j.optcom.2017.07.082

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate a tunable optical Tamm state at the interface between a photonic crystal (PC) and a film with non-uniformly varying refractive index. The optical Tamm state is associated with a sharp transmission peak and strong localization of the electric field. It is spectrally located inside the overlapping band gaps. The shift of the optical Tamm state is sensitive to the lattice constant of the inhomogeneous material. Our results provide an approach to tailor interface states in a controllable manner. (C) 2017 Published by Elsevier B.V.

引用

页码：103 / 106

页数：4

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