Nanopolaritons: Vacuum Rabi splitting with a single quantum dot in the center of a dimer nanoantenna

Details Nanopolaritons: Vacuum Rabi splitting with a single quantum dot in the center of a dimer nanoantenna Nanopolaritons: Vacuum Rabi splitting with a single quantum dot in the center of a dimer nanoantenna

2010-03-11

arxiv.org/abs/1003.2394v1

Physics

Quantum Physics

13 pages, 2 figures.

Scientific paper

The demonstration of enhanced spontaneous emission of nanoscaled optical emitters near metallic nanoparticles and the recent realization of a nanolaser based on surface plasmon amplification by stimulated emission of radiation (spaser) encourage the search for strong coupling regime at the nanoscale. Here we propose the concept of nanopolaritons. We demonstrate with accurate scattering calculations that the strong coupling regime of a single quantum emitter (a semiconductor quantum dot) placed in the gap between two metallic nanoparticles can be achieved. The largest dimension of the investigated system is only 36 nm. Nanopolaritons will advance our fundamental understanding of surface plasmon enhanced optical interactions and could be used as ultra-compact elements in quantum-information technology.

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