Localization of light in a lamellar structure with left-handed medium : the light wheel

Details Localization of light in a lamellar structure with left-handed medium : the light wheel Localization of light in a lamellar structure with left-handed medium : the light wheel

2007-08-29

arxiv.org/abs/0708.3963v1

Optics express 15, 23 (2007) 14961

Physics

Optics

Scientific paper

10.1364/OE.15.014961

The contra-directional coupling between a left-handed monomode waveguide and a right-handed monomode waveguide is rigorously studied using a complex plane analysis. Light is shown to rotate in this lamellar structure forming a very exotic mode which we have called a light wheel. The light wheel can be excited using evanescent coupling or by placing sources in one of the waveguides. This structure can thus be seen as a new type of cavity. It is a way to suppress the guided mode of a dielectric slab.

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