Article ID Journal Published Year Pages File Type
1540866 Optics Communications 2008 7 Pages PDF
Abstract

Cooperative emission from a sphere of N two-level atoms excited by a short pulse is shown to have a time-dependent angular distribution, with the possibility of reversal in the dominant direction of emission. This is a result of the different values of the frequency shifts and decay rates associated with the various collective eigenmodes of the atomic system obtained in a scalar photon model.

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Physical Sciences and Engineering Materials Science Electronic, Optical and Magnetic Materials
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Time-dependent directionality of cooperative emission after short pulse excitation
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