Quantum fluctuations in the two-photon laser
Journal Article
·
· Phys. Rev. A; (United States)
A two-photon laser is modeled as N two-level atoms interacting via a two-photon transition with a single resonant-cavity field mode. The quadratic form of this interaction makes such a system a candidate to exhibit reduced quantum fluctuations (squeezing) in one quadrature of the output field. A Fokker-Planck equation containing all leading quantum noise terms is derived following the method of Haken. A linearized fluctuation analysis reveals that there is no squeezing in a two-photon laser with injected signal. A small amount of squeezing may be present in two-photon optical bistability. Our calculations confirm the results of Lugiato and Strini, who adopted a factorization of moment equations.
- Research Organization:
- Physics Department, University of Auckland, Auckland, New Zealand
- OSTI ID:
- 5917236
- Journal Information:
- Phys. Rev. A; (United States), Journal Name: Phys. Rev. A; (United States) Vol. 28:1; ISSN PLRAA
- Country of Publication:
- United States
- Language:
- English
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