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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 23 — Nov. 8, 2010
  • pp: 24025–24036

Bianisotropy and spatial dispersion in highly anisotropic near-infrared resonator arrays

P. W. Kolb, T. D. Corrigan, H. D. Drew, A. B. Sushkov, R. J. Phaneuf, A. Khanikaev, S. Hossein Mousavi, and G. Shvets  »View Author Affiliations


Optics Express, Vol. 18, Issue 23, pp. 24025-24036 (2010)
http://dx.doi.org/10.1364/OE.18.024025


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Abstract

We measure, simulate, and analyze the optical transmission through arrays of Ag nanorod pairs and U-shaped nanostructures as a function of polarization and angle of incidence. The bianisotropic nature of the metamaterials is exhibited in data and in simulations, and we argue that the electric field rather than the magnetic field excites the low frequency “magnetic” mode. We also observe spatial dispersion in the form of frequency shifts as a function of incident angle which we attribute to coupling effects between neighboring structures. A simple model based upon coupled electromagnetic dipoles is found to provide a qualitative description for the main features observed in the spectra.

© 2010 OSA

OCIS Codes
(260.2030) Physical optics : Dispersion
(260.5740) Physical optics : Resonance
(160.3918) Materials : Metamaterials

ToC Category:
Metamaterials

History
Original Manuscript: July 6, 2010
Revised Manuscript: October 15, 2010
Manuscript Accepted: October 19, 2010
Published: November 3, 2010

Citation
P. W. Kolb, T. D. Corrigan, H. D. Drew, A. B. Sushkov, R. J. Phaneuf, A. Khanikaev, S. Hossein Mousavi, and G. Shvets, "Bianisotropy and spatial dispersion in highly anisotropic near-infrared resonator arrays," Opt. Express 18, 24025-24036 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-23-24025


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