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Proceedings Paper

QED theory of excess spontaneous emission noise
Author(s): Peter W. Milonni
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Paper Abstract

The results of a quantum-electrodynamical theory of excess spontaneous emission noise in lossy resonators will be presented. The " Petermann K factor" does not enter into the spontaneous emission rate of a single atom in the cavity. The QED theory allows different interpretations of the K factor and we use this fact to justify semiclassical analyses and to provide in one example a simple derivation of K in terms of the amplification of the quantum vacuum field entering the resonator through its mirrors.

Paper Details

Date Published: 1 March 1991
PDF: 6 pages
Proc. SPIE 1376, Laser Noise, (1 March 1991); doi: 10.1117/12.24996
Show Author Affiliations
Peter W. Milonni, Los Alamos National Lab. (United States)


Published in SPIE Proceedings Vol. 1376:
Laser Noise
Rajarshi Roy, Editor(s)

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