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- Title
Generalized expression for the natural width of the radiation spectrum of quantum oscillators.
- Authors
Chirkin, A.; Chipouline, A.
- Abstract
simple method for calculating the linewidth of sources of stimulated coherent radiation caused by spontaneous noise and thermal fluctuations has been proposed in the framework of the two-level model of the active medium. An expression for the spectral width has been derived beyond the adiabatic approximation under an arbitrary relation between relaxation times in a self-sustained oscillation system, taking into account a finite spectral band of spontaneous radiation. The result is applicable for a wide class of coherent radiation sources.
- Subjects
ELECTRIC oscillators; RADIATION sources; APPROXIMATION theory; NOISE; FLUCTUATIONS (Physics); RELAXATION phenomena
- Publication
JETP Letters, 2011, Vol 93, Issue 3, p114
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/S0021364011030039