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Phys Rev Lett. 2012 Feb 24;108(8):083902. Epub 2012 Feb 22.

From electromagnetically induced transparency to superscattering with a single structure: a coupled-mode theory for doubly resonant structures.

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  • 1Department of Electrical Engineering, Stanford University, Stanford, California 94305, USA. lieven.verslegers@gmail.com

Abstract

We observe from simulations that a doubly resonant structure can exhibit spectral behavior analogous to electromagnetically induced transparency, as well as superscattering, depending on the excitation. We develop a coupled-mode theory that explains this behavior in terms of the orthogonality of the radiation patterns of the eigenmodes. These results provide insight in the general electromagnetic properties of photonic nanostructures and metamaterials.

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