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