Unidirectional optical transmission in dual-metal gratings in the absence of anisotropic and nonlinear materials

被引：59

作者：

Xu, Ji ^{[1
,2
]}

Cheng, Chen ^{[1
,2
]}

Kang, Ming ^{[3
,4
]}

Chen, Jing ^{[3
,4
]}

Zheng, Zhu ^{[1
,2
]}

Fan, Ya-Xian ^{[1
,2
]}

Wang, Hui-Tian ^{[1
,2
,3
,4
]}

机构：

[1] Nanjing Univ, Sch Phys, Nanjing 210093, Peoples R China

[2] Nanjing Univ, Nanjing Natl Lab Microstruct, Nanjing 210093, Peoples R China

[3] Nankai Univ, Sch Phys, Tianjin 300071, Peoples R China

[4] Nankai Univ, Key Lab Weak Light Nonlinear Photon, Tianjin 300071, Peoples R China

来源：

OPTICS LETTERS | 2011年 / 36卷 / 10期

基金：

中国国家自然科学基金;

关键词：

CRYSTAL DEFECTS; DIODE;

D O I：

10.1364/OL.36.001905

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We predict the unidirectional optical transmission in dual-metal grating structures composed of two gratings with different structures in the absence of anisotropy and nonlinearity. The zero-order unidirectional transmission is achieved. Based on the unique property and by modulating the structural parameters, the transmittance approaches to 0% and 60% in the two opposite directions, respectively. (C) 2011 Optical Society of America

引用

页码：1905 / 1907

页数：3

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