Scientific Results

Coherent interaction of light with a metallic structure coupled to a single quantum emitter: from superabsorption to cloaking

Year: 2013

Authors: Chen X.W., Sandoghdar V., Agio M.

Autors Affiliation: Max Planck Institute for the Science of Light and Friedrich-Alexander University (FAU), D-91058 Erlangen, Germany; National Institute of Optics (INO-CNR) and European Laboratory for Nonlinear Spectroscopy (LENS), via Nello Carrara 1, 50019 Sesto Fiorentino (FI), Italy

Abstract: We provide a general theoretical platform based on quantized radiation in absorptive and inhomogeneous media for investigating the coherent interaction of light with material 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 3 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. DOI: 10.1103/PhysRevLett.110.153605


Volume: 110 (15)      Pages from: 153605  to: 153605

More Information: We acknowledge financial support from the Max Planck Society, the ERC advanced grant SINGLEION, the Alexander von Humboldt Foundation and the EU-STREP project QIBEC. X. W. C. would like to thank Gert Zumofen for inspiring discussions.
KeyWords: Coherent interaction; Inhomogeneous media; Metallic structures; Orders of magnitude; Physical interpretation; Scattering and absorption; Single quantum emitter; Theoretical platforms; Metamaterials; Plasmons; Quantum optics; Optical coherence; Metal nanoparticles; Optical absorption; Induced transparency
DOI: 10.1103/PhysRevLett.110.153605

Citations: 66
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