Transition from quantum-noise-driven dynamics to deterministic dynamics in a multimode laser
Journal Article
·
· Physical Review (Section) A: General Physics; (USA)
- The Institute of Optics, University of Rochester, Rochester, New York 14627 (US)
The fluctuation behavior of the mode amplitudes in a multimode dye laser near threshold is investigated numerically. The laser is modeled by semiclassical, third-order laser theory that includes a stochastic Langevin force to simulate quantum noise. We find two different limiting types of behavior. Just above the lasing threshold the mode fluctuations are found to be dominated by quantum noise, while above a certain pump power the fluctuations are found to be essentially deterministic. The effect of pump fluctuations is also simulated. We find that a multimode laser acts as a low-pass filter on the pump fluctuations, as is found for a single-mode laser.
- OSTI ID:
- 5414061
- Journal Information:
- Physical Review (Section) A: General Physics; (USA), Journal Name: Physical Review (Section) A: General Physics; (USA) Vol. 40:5; ISSN PLRAA; ISSN 0556-2791
- Country of Publication:
- United States
- Language:
- English
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