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Advances in OptoElectronics
Volume 2012, Article ID 907183, 5 pages
Research Article

Plasmonic Modes of Metamaterial-Based Slot Waveguides

1Advanced Computing and Simulation Laboratory (AχL), Department of Electrical and Computer Systems Engineering, Monash University, Clayton, VIC 3800, Australia
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.


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.