Multiple out-of-plane plasmonic resonances in thick metallic rod with a cavity

We propose a nanostructure composed of a thick metallic rod with a cavity, in which multiple out-of-plane plasmonic resonances can be excited. When the cavity is laterally shifted to form an asymmetric nanostructure, the coupling between the plasmonic resonances excited in an individual element of t...

Full description

Saved in:
Bibliographic Details
Published in:Journal of physics. D, Applied physics Applied physics, 2016-06, Vol.49 (25), p.25
Main Authors: Wu, Shan, Deng, Zhuo, Liu, Jianqiang, Zhang, Kaiyin, Yu, Lizhi, Zhu, Yongyuan
Format: Article
Language:English
Subjects:
asymmetric nanostructure
Fano resonances
out-of-plane plasmonic resonances
Citations: Items that this one cites
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:We propose a nanostructure composed of a thick metallic rod with a cavity, in which multiple out-of-plane plasmonic resonances can be excited. When the cavity is laterally shifted to form an asymmetric nanostructure, the coupling between the plasmonic resonances excited in an individual element of the rod produces high-order hybridized out-of-plane modes with narrow linewidth. A further analysis reveals that the hybridized modes have Fano-like spectral line-shapes, which can be accurately described by a coupled oscillator model.
ISSN:0022-3727
1361-6463
DOI:10.1088/0022-3727/49/25/25LT01