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Materials 2011, 4(1), 104-116; doi:10.3390/ma4010104
Article

Plasmonic Coaxial Waveguides with Complex Shapes of Cross-Sections

1
, 2,* , 3
 and 2
Received: 14 December 2010; Accepted: 29 December 2010 / Published: 31 December 2010
(This article belongs to the Special Issue Next Wave of Metamaterials)
Download PDF [1419 KB, uploaded 31 December 2010]
Abstract: In this paper, we describe waveguide properties of new optical waveguides made of noble metals and filled with glass and air. Such waveguides are coaxial cables and differ from a conventional coaxial in the shape of their central rods. Coaxial waveguide with annular and elliptic central rods are considered. Numerical simulations demonstrate that these waveguides, having nanosize cross-section, support propagation of few comparatively low-loss modes, having phase velocity close to the speed of light and the fields localized in a small area outside a metal. We illustrate excitation of these coaxial modes by dipole-like sources.
Keywords: nano-size; plasmonic waveguides; coaxial nano-size; plasmonic waveguides; coaxial
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.

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MDPI and ACS Style

Kozina, O.; Nefedov, I.; Melnikov, L.; Karilainen, A. Plasmonic Coaxial Waveguides with Complex Shapes of Cross-Sections. Materials 2011, 4, 104-116.

AMA Style

Kozina O, Nefedov I, Melnikov L, Karilainen A. Plasmonic Coaxial Waveguides with Complex Shapes of Cross-Sections. Materials. 2011; 4(1):104-116.

Chicago/Turabian Style

Kozina, Olga; Nefedov, Igor; Melnikov, Leonid; Karilainen, Antti. 2011. "Plasmonic Coaxial Waveguides with Complex Shapes of Cross-Sections." Materials 4, no. 1: 104-116.


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