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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 29, Iss. 7 — Jul. 1, 2012
  • pp: 1641–1647

Interaction among plasmonic resonances in a gold film embedding a two-dimensional array of polymeric nanopillars

Silvia Giudicatti, Franco Marabelli, Andrea Valsesia, Paola Pellacani, Pascal Colpo, and Francois Rossi  »View Author Affiliations


JOSA B, Vol. 29, Issue 7, pp. 1641-1647 (2012)
http://dx.doi.org/10.1364/JOSAB.29.001641


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Abstract

Nanostructured surfaces have proven to be effective in controlling the electric field distribution and triggering a series of interesting physical effects. In particular, ordered metallic lattices with a typical size of the same order of magnitude of the wavelength of the incident radiation exhibit extraordinary transmission and reflection properties and represent a sensitive tool to exploit surface plasmon resonance for sensing applications. We investigated, either by experimental structural and optical measurements or by modeling and calculations, samples consisting of a two-dimensional array of polymeric pillars embedded in a gold film. In particular, we analyzed the dependence of the plasmonic resonance on the pillar size. We showed that a peculiar interplay among localized modes and propagating surface plasmon polaritons exists for some selected conditions and affects the spectral distribution, lifetime, and field configuration of the plasmonic excitations.

© 2012 Optical Society of America

OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(160.4236) Materials : Nanomaterials
(050.6624) Diffraction and gratings : Subwavelength structures

ToC Category:
Optics at Surfaces

History
Original Manuscript: February 13, 2012
Manuscript Accepted: March 1, 2012
Published: June 13, 2012

Citation
Silvia Giudicatti, Franco Marabelli, Andrea Valsesia, Paola Pellacani, Pascal Colpo, and Francois Rossi, "Interaction among plasmonic resonances in a gold film embedding a two-dimensional array of polymeric nanopillars," J. Opt. Soc. Am. B 29, 1641-1647 (2012)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-29-7-1641

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