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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 34, Iss. 21 — Nov. 1, 2009
  • pp: 3325–3327

Coaxial plasmonic waveguide array as a negative-index metamaterial

F. J. Rodríguez-Fortuño, C. García-Meca, R. Ortuño, J. Martí, and A. Martínez  »View Author Affiliations

Optics Letters, Vol. 34, Issue 21, pp. 3325-3327 (2009)

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We propose the use of closely packed deep-subwavelength plasmonic coaxial waveguides that support backward propagating modes at visible frequencies, analogous to those in planar metal–insulator–metal geometries, as negative-index metamaterials. We show through simulation that the propagation properties of the metamaterial are determined by the dispersion relation of the constitutive waveguides. The metamaterial is polarization independent, is uniform in the propagation direction, and has a subwavelength character in the transversal directions. The transmission loss through the structure is also analyzed.

© 2009 Optical Society of America

OCIS Codes
(230.7370) Optical devices : Waveguides
(240.6680) Optics at surfaces : Surface plasmons
(160.3918) Materials : Metamaterials

ToC Category:

Original Manuscript: June 24, 2009
Revised Manuscript: September 3, 2009
Manuscript Accepted: September 30, 2009
Published: October 27, 2009

F. J. Rodríguez-Fortuño, C. García-Meca, R. Ortuño, J. Martí, and A. Martínez, "Coaxial plasmonic waveguide array as a negative-index metamaterial," Opt. Lett. 34, 3325-3327 (2009)

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