Role of interference between localized and propagating surface waves on the extraordinary optical transmission through a subwavelength-aperture array

被引：104

作者：

Bao, Yong-Jun ^{[1
,2
]}

Peng, Ru-Wen ^{[1
,2
]}

Shu, Da-Jun ^{[1
,2
]}

Wang, Mu ^{[1
,2
]}

Lu, Xiang ^{[3
]}

Shao, Jun ^{[3
]}

Lu, Wei ^{[3
]}

Ming, Nai-Ben ^{[1
,2
]}

机构：

[1] Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China

[2] Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R China

[3] Chinese Acad Sci, Shanghai Inst Tech Phys, Natl Lab Infrared Phys, Shanghai 200083, Peoples R China

来源：

PHYSICAL REVIEW LETTERS | 2008年 / 101卷 / 08期

关键词：

D O I：

10.1103/PhysRevLett.101.087401

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report in this Letter that when radiation is incident on a metal surface perforated with an array of ring-shaped subwavelength apertures, the phase difference between the propagating surface Bloch wave and the localized surface wave can be tailored by the geometrical parameters of the array so as to affect the shape of the transmission spectrum. Above the resonant frequency of the aperture, interference between the two kinds of surface waves leads to a minimum in the transmission spectrum, whereas below it, the interference leads to a maximum. We suggest that this feature provides flexibility in engineering surface-wave-based all-optical devices.

引用

页数：4

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