Nonlinear features of quantum fluctuations in a slow-inversion laser
Journal Article
·
· Physical Review. A
- Nuclear Physics Institute, Moscow State University, Leninskie Gory, 119992 Moscow (Russian Federation)
We study the field correlation functions and the natural laser spectrum for a slow-inversion laser with the thresholdless intensity fluctuations. In such a laser, the spontaneous-emission-driven relaxation oscillations are responsible for some unique features: The field correlation function oscillates with the frequency of relaxation oscillations {omega}{sub r} and the laser line changes its profile. We show that appreciably above threshold the laser spectrum consists of three lines. In addition to the main line at the frequency of the lasing mode {omega}{sub c} appear two lines at frequencies {omega}{sub c}+{omega}{sub r} and {omega}{sub c}-{omega}{sub r}. The spontaneous emission noise in such lasers gives rise to nonlinear stochastic effects: Quantum noise affects the oscillation frequency {omega}{sub r} and the decay rates of the field correlation function.
- OSTI ID:
- 21550184
- Journal Information:
- Physical Review. A, Journal Name: Physical Review. A Journal Issue: 6 Vol. 83; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
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