Analytical study of the plasmonic modes of a metal nanoparticle circular array

Kin Hung Fung; C. T. Chan

doi:10.1103/PhysRevB.77.205423

Analytical study of the plasmonic modes of a metal nanoparticle circular array

Kin Hung Fung, C. T. Chan

Research output: Journal article publication › Journal article › Academic research › peer-review

26 Citations (Scopus)

Abstract

We analyze the plasmonic modes of a metal nanoparticle circular array. Closed-form solutions to the eigenmode problem are presented. For each polarization, the plasmonic mode with the highest quality is found to be in antiphase. The significant suppression of radiative loss can be understood as the cancellation of the dipolar radiation term in the radiative linewidth. The remaining finite radiative linewidth decreases exponentially as the number of particle increases.

Original language	English
Article number	205423
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	77
Issue number	20
DOIs	https://doi.org/10.1103/PhysRevB.77.205423
Publication status	Published - 15 May 2008
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

More information

10.1103/PhysRevB.77.205423

Cite this

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AB - We analyze the plasmonic modes of a metal nanoparticle circular array. Closed-form solutions to the eigenmode problem are presented. For each polarization, the plasmonic mode with the highest quality is found to be in antiphase. The significant suppression of radiative loss can be understood as the cancellation of the dipolar radiation term in the radiative linewidth. The remaining finite radiative linewidth decreases exponentially as the number of particle increases.

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