Characteristic Mode Analysis of Plasmonic Nanoantennas

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Abstract

The theory of characteristic modes (TCMs) based on the surface integral equation (SIE) formalism is presented for the analysis of plasmonic nanostructures. With TCM, excitation-independent characteristic solutions of the underlying electromagnetic field problem are obtained. Both single and multiple particle nanostructures are analyzed using the conventional SIE approach and the TCM formalism. By comparing these results, the modes that are responsible of the observed scattering and absorption characteristics can be identified. These solutions can be further utilized in the design and tuning nanoantenna configurations for specific application purposes.

Details

Original languageEnglish
Article number7870620
Pages (from-to)2165-2172
Number of pages8
JournalIEEE Transactions on Antennas and Propagation
Volume65
Issue number5
Publication statusPublished - 1 May 2017
MoE publication typeA1 Journal article-refereed

    Research areas

  • Electromagnetic scattering, nanoantenna, numerical modeling, optics, plasmonics, surface integral equation (SIE) method, theory of characteristic modes (TCMs)

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