Fanolike resonance in light transmission through a silver film perforated with an array of SRR-shaped apertures

被引：0

作者：

Chen, Jing ^{[1
]}

Xu, Rongqing ^{[1
]}

Liu, Jianqiang ^{[2
]}

Cai, Xiangbao ^{[1
]}

机构：

[1] College of Electronic Science and Engineering, Nanjing University of Posts and Telecommunications

[2] School of Science, Jiujiang University

来源：

Optics Communications | 2014年 / 322卷

基金：

高等学校博士学科点专项科研基金; 中国国家自然科学基金;

关键词：

Fanolike resonance; Magnetic plasmon polaritons; SRR-shaped nanoaperture arrays; Surface plasmon polaritons;

D O I：

10.1016/j.optcom.2014.02.009

中图分类号：

学科分类号：

摘要：

We study theoretically light transmission through a silver film perforated with an array of split-ring resonator (SRR) shaped apertures. An asymmetric lineshape, which is characteristic of the Fano resonance, has been found in a narrow frequency range of the spectrum. The effect can be attributed to the interference between propagating surface plasmon polaritons (SPPs) on the silver film and magnetic plasmon polaritons (MPPs) associated with the SRR-shaped apertures. An anticrossing behavior of the resonance positions has also been observed in the transmission spectra, demonstrating the strong coupling of the SPPs with the MPPs. Due to the steep dispersion of the Fano resonance profile, the plasmonic nanostructure proposed could find important applications in sensors, switching, and nonlinear and slow-light devices. © 2014 Elsevier B.V.

引用

页码：175 / 178

页数：3

共 30 条

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