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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 8 — Apr. 15, 2013
  • pp: 1238–1240

Near-field resonance at far-field-induced transparency in diffractive arrays of plasmonic nanorods

S. R. K. Rodriguez, O. T. A. Janssen, G. Lozano, A. Omari, Z. Hens, and J. Gómez Rivas  »View Author Affiliations


Optics Letters, Vol. 38, Issue 8, pp. 1238-1240 (2013)
http://dx.doi.org/10.1364/OL.38.001238


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Abstract

We numerically demonstrate that a periodic array of metallic nanorods sustains a maximum near-field enhancement and a far field (FF)-induced transparency at the same energy and in-plane momentum. The coupling of bright and dark plasmonic lattice resonances, and electromagnetic retardation along the nanorod length, are responsible for this effect. A standing wave with a quadrupolar field distribution is formed, giving rise to a collective suppression of FF scattering and simultaneously enhanced local fields.

© 2013 Optical Society of America

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(240.6680) Optics at surfaces : Surface plasmons
(260.5740) Physical optics : Resonance
(250.5403) Optoelectronics : Plasmonics

ToC Category:
Surface Plasmons

History
Original Manuscript: December 10, 2012
Manuscript Accepted: February 28, 2013
Published: April 3, 2013

Citation
S. R. K. Rodriguez, O. T. A. Janssen, G. Lozano, A. Omari, Z. Hens, and J. Gómez Rivas, "Near-field resonance at far-field-induced transparency in diffractive arrays of plasmonic nanorods," Opt. Lett. 38, 1238-1240 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-8-1238

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