One-way optical tunneling induced by nonreciprocal dispersion of Tamm states in magnetophotonic crystals

被引：21

作者：

Dong, Hui Yuan ^{[1
,2
]}

Wang, Jin ^{[2
]}

Fung, Kin Hung ^{[3
]}

机构：

[1] Nanjing Univ Posts & Telecommun, Sch Sci, Nanjing 210003, Peoples R China

[2] Southeast Univ, Dept Phys, Nanjing 211189, Jiangsu, Peoples R China

[3] Hong Kong Polytech Univ, Dept Appl Phys, Hong Kong, Hong Kong, Peoples R China

来源：

OPTICS LETTERS | 2013年 / 38卷 / 24期

基金：

美国国家科学基金会;

关键词：

MODE;

D O I：

10.1364/OL.38.005232

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We show that optical Tamm states (OTSs) with nonreciprocal dispersion can be formed at the boundary separating two different magnetophotonic crystals magnetized in the Voigt geometry. At the frequencies of the Tamm states, one-way optical tunneling can be achieved. The nonreciprocity features of OTSs originate from the simultaneous violation of reciprocity, time-reversal, and all related spatial symmetries in the system. Our predictions are confirmed by the nonreciprocal dispersion of interface modes, unidirectional transmission spectra, and field distributions for our system. Such theoretical results may provide a mechanism to create compact optical isolators. (C) 2013 Optical Society of America

引用

页码：5232 / 5235

页数：4

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