Small scale de-excitation and entanglement near surfaces in open cavity quantum optics

M. Babiker; S. C. Skipsey

doi:10.1117/12.854956

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10 May 2010 Small scale de-excitation and entanglement near surfaces in open cavity quantum optics

M. Babiker, S. C. Skipsey

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Proceedings Volume 7712, Nanophotonics III; 771212 (2010) https://doi.org/10.1117/12.854956
Event: SPIE Photonics Europe, 2010, Brussels, Belgium

Abstract

It is well established that the presence of interfaces separating regions of real space that are occupied by different materials, has given rise to a wealth of new phenomena and a number of significant applications. It is therefore evident that surfaces must feature prominently in the physics of structures at the small scale and the influence of such structures on the properties of quantum systems in their vicinity. This article is concerned with a structure created using two surfaces forming an open cavity, and we concentrate on the right-angle geometry. Although apparently simple, this structure adequately serves to illustrate the essential physics, which turns out to be surprisingly complex when one considers correlations. We discuss how excited quantum emitters localized within this open cavity, and which can be manipulated optically, would discharge the excitation, both when the emitters are in isolation from other similar emitters and when taken in pairs. Quantum correlations of this kind are essential in the context of implementing scalable architectures for quantum information processing and quantum computing. Optical manipulation near surfaces is one possible scenario that has been highlighted in that context.

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M. Babiker and S. C. Skipsey "Small scale de-excitation and entanglement near surfaces in open cavity quantum optics", Proc. SPIE 7712, Nanophotonics III, 771212 (10 May 2010); https://doi.org/10.1117/12.854956

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