Effects of laser phase fluctuations on squeezing in intracavity second-harmonic generation
Excellent squeezing in intracavity second-harmonic generation has been predicted to occur on cavity resonance in the output intensity fluctuations. Cavity detunings cause laser phase noise to couple in and reduce the squeezing observable. Here we consider the effects of laser phase fluctuations on the output-squeezing spectrum. Laser phase noise is modeled as an Ornstein-Uhlenbeck (colored-noise) Gaussian stochastic process and its effects are compared with the white-noise limit. This indicates that the white-noise model may qualitatively overestimate the deleterious effects of laser fluctuations on sideband squeezing. We compare our results with the recently reported experiment of Pereira /ital et/ /ital al/. (Phys. Rev. A 38, 4931 (1988)) and present an analysis of the empty cavity for comparison.
- Research Organization:
- Department of Physics, University of Auckland, Private Bag, Auckland, New Zealand(NZ)
- OSTI ID:
- 5885686
- Journal Information:
- Phys. Rev. A; (United States), Vol. 40:3
- Country of Publication:
- United States
- Language:
- English
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