Spontaneous emission rate and level shift of an atom inside a dielectric microsphere
- 1 March 1996
- journal article
- research article
- Published by Taylor & Francis in Journal of Modern Optics
- Vol. 43 (3) , 549-563
- https://doi.org/10.1080/095003496156002
Abstract
The transition frequency shift and the spontaneous decay rate (the radiative linewidth) variation of an atom placed in a transparent dielectric microsphere are presented. It is demonstrated that with the refractive index of the microsphere material (e.g. diamond) being high enough, the size of the microsphere can be selected such that the spontaneous decay rate decreases (or increases) several times, depending on the position of the atom. At the same time, the atomic transition frequency shift proves to depend more strongly on the position of the atom, reaching high values near the surface of the microsphere.Keywords
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