Plasmonic resonances of nanowires with periodically corrugated cross sections

doi:10.1364/JOSAB.29.003248

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

Editors: Andrew Dunn and Anthony Durkin
Vol. 8, Iss. 1 — Feb. 4, 2013

Plasmonic resonances of nanowires with periodically corrugated cross sections

Evgeniy V. Podivilov, Boris I. Sturman, and Maxim V. Gorkunov »View Author Affiliations

JOSA B, Vol. 29, Issue 12, pp. 3248-3253 (2012)
http://dx.doi.org/10.1364/JOSAB.29.003248

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Abstract

For periodically corrugated nanowire cross sections, such that the polar-angle dependence of the radius is $r = r_{0} [1 + u_{N} \cos (N φ)]$ , we calculate both the resonant values of metal permittivity $ε$ and the corresponding plasmonic eigenfunctions. For sufficiently small perturbation amplitudes, $N u_{N} ≪ 1$ , these fundamental characteristics admit full-scale analytical analysis revealing nontrivial plasmonic properties. For $N u_{N} > 1$ , the analytical analysis is supplemented by numerical simulations; they show nonlinearly growing redshifts of the main plasmonic resonances with increasing modulation periodicity $N$ and the amplitude $u_{N}$ .

OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(250.5403) Optoelectronics : Plasmonics
(310.6628) Thin films : Subwavelength structures, nanostructures

ToC Category:
Optics at Surfaces

History
Original Manuscript: September 11, 2012
Revised Manuscript: October 16, 2012
Manuscript Accepted: October 16, 2012
Published: November 8, 2012

Virtual Issues
Vol. 8, Iss. 1 Virtual Journal for Biomedical Optics

Citation
Evgeniy V. Podivilov, Boris I. Sturman, and Maxim V. Gorkunov, "Plasmonic resonances of nanowires with periodically corrugated cross sections," J. Opt. Soc. Am. B 29, 3248-3253 (2012)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=josab-29-12-3248

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Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

Plasmonic resonances of nanowires with periodically corrugated cross sections

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