Monday, November 12, 2012

1211.2152 (Xue-Wen Chen et al.)

Coherent interaction of a metallic structure with a single quantum
emitter: from super absorption to cloaking
   [PDF]

Xue-Wen Chen, Vahid Sandoghdar, Mario Agio
We provide a general theoretical platform based on quantized radiation in absorptive and inhomogeneous media for investigating the coherent interaction of light with metallic structures in the immediate vicinity of quantum emitters. In the case of a very small metallic cluster, we demonstrate extreme regimes where a single emitter can either counteract or enhance particle absorption by three orders of magnitude. For larger structures, we show that an emitter can eliminate both scattering and absorption and cloak a plasmonic antenna. We provide physical interpretations of our results and discuss their applications in active metamaterials and quantum plasmonics.
View original: http://arxiv.org/abs/1211.2152

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