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Advances in OptoElectronics
Volume 2012 (2012), Article ID 907183, 5 pages
doi:10.1155/2012/907183
Plasmonic Modes of Metamaterial-Based Slot Waveguides
1Advanced Computing and Simulation Laboratory (A
2Institute of Optics, University of Rochester, Rochester, NY 14627, USA
Received 13 April 2012; Accepted 3 July 2012
Academic Editor: Alexandra E. Boltasseva
Copyright © 2012 Ivan D. Rukhlenko et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
Most metamaterials exhibit pronounced anisotropic properties that are crucial for the understanding of their superior optical behavior, especially when they are integrated into the structure of a plasmonic waveguide. In this paper, we analytically solve the dispersion relation for a slot plasmonic waveguide filled with an anisotropic-stratified metamaterial and reveal that it supports two modes featuring relatively long propagation lengths in the limit of vanishing slot thickness. We classify these modes according to their physical origin and study the variation of their dispersion properties with material parameters.