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Opt Lett. 2010 Oct 1;35(19):3237-9. doi: 10.1364/OL.35.003237.

Light wheel buildup using a backward surface mode.

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1
Clermont Université, LASMEA, BP 10448, F-63000 Clermont-Ferrand, CNRS, UMR 6602, LASMEA, F-63177 Aubière, France. Remi.Polles@univ‑bpclermont.fr

Abstract

When a guided mode is excited in a dielectric slab coupled to a backward surface wave at the interface between a dielectric and a left-handed medium, light is confined in the structure: this is a light wheel. Complex plane analysis of the dispersion relation and coupled-mode formalism give deep insight into the physics of this phenomenon (lateral confinement and the presence of a dark zone).

PMID:
20890345
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