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Controllable spontaneous decay at material wedges

Skipsey, S.C., Al-Amri, M., Babiker, M. and Juzeliūnas, G. (2006) Controllable spontaneous decay at material wedges. Physical Review A, 73 (1). 011803-1-011803-4. ISSN 1094-1622

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We show that the de-excitation process of a dipole emitter can be altered controllably when it is embedded in a dielectric wedge of an arbitrary angle 0<ϕ0⩽2π. We focus here on the case of a dielectric wedge bounded by a perfect conductor and show that the de-excitation process for different wedges, distinguished by ϕ0, displays a wide range of features. Besides the dependence on the emitter location at the narrow end, the de-excitation process exhibits a strong dipole orientational dependence, suggesting that the system might serve as a qubit in a controllable scalable hardware architecture for the purpose of quantum information processing.

Item Type: Article
Institution: The University of York
Academic Units: The University of York > Physics (York)
Depositing User: York RAE Import
Date Deposited: 26 Feb 2009 12:36
Last Modified: 19 Sep 2013 16:10
Published Version: http://dx.doi.org/10.1103/PhysRevA.73.011803
Status: Published
Publisher: The American Physical Society.
Refereed: Yes
Identification Number: 10.1103/PhysRevA.73.011803
URI: http://eprints.whiterose.ac.uk/id/eprint/7184

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