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Accessing high-order resonances in plasmonic nanostructures
Author(s): Alessandro Salandrino; Eli D. Symm
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Paper Abstract

The optical excitation of high-order plasmonic resonant modes in nanostructures is important for the enhancement of light-matter interactions at the nanoscale. Due to the fast spatial variation of the electromagnetic field distribution associated with high-order modes, their excitation by conventional optical methods is extremely challenging. Here we describe a novel nonlinear scheme devised to access high-order plasmonic resonances. The proposed method is based on the temporal modulation of the permittivity of the medium surrounding a plasmonic nanoparticle. Analytical results are presented for the case of spherical nanoparticle demonstrating the effectiveness of the proposed method.

Paper Details

Date Published: 16 September 2016
PDF: 5 pages
Proc. SPIE 9918, Metamaterials, Metadevices, and Metasystems 2016, 99182B (16 September 2016); doi: 10.1117/12.2237076
Show Author Affiliations
Alessandro Salandrino, The Univ. of Kansas (United States)
Eli D. Symm, The Univ. of Kansas (United States)


Published in SPIE Proceedings Vol. 9918:
Metamaterials, Metadevices, and Metasystems 2016
Nader Engheta; Mikhail A. Noginov; Nikolay I. Zheludev, Editor(s)

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