Quantum theory of the far-off-resonance continuous-wave Raman laser: Heisenberg-Langevin approach

Roos, P. A., Murphy, S. K., Meng, L. S., Carlsten, J. L., Ralph, T. C., White, A. G. and Brasseur, J. K. (2003) Quantum theory of the far-off-resonance continuous-wave Raman laser: Heisenberg-Langevin approach. Physical Review A, 68 1: 013802-1-013802-12. doi:10.1103/PhysRevA.68.013802

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Author Roos, P. A.
Murphy, S. K.
Meng, L. S.
Carlsten, J. L.
Ralph, T. C.
White, A. G.
Brasseur, J. K.
Title Quantum theory of the far-off-resonance continuous-wave Raman laser: Heisenberg-Langevin approach
Journal name Physical Review A   Check publisher's open access policy
ISSN 1050-2947
Publication date 2003-01-01
Sub-type Article (original research)
DOI 10.1103/PhysRevA.68.013802
Open Access Status File (Publisher version)
Volume 68
Issue 1
Start page 013802-1
End page 013802-12
Total pages 12
Editor B. Crasemann
Place of publication New York
Publisher The American Physical Society
Collection year 2003
Language eng
Subject C1
780102 Physical sciences
240201 Theoretical Physics
02 Physical Sciences
Abstract We present the quantum theory of the far-off-resonance continuous-wave Raman laser using the Heisenberg-Langevin approach. We show that the simplified quantum Langevin equations for this system are mathematically identical to those of the nondegenerate optical parametric oscillator in the time domain with the following associations: pump <----> pump, Stokes <----> signal, and Raman coherence <----> idler. We derive analytical results for both the steady-state behavior and the time-dependent noise spectra, using standard linearization procedures. In the semiclassical limit, these results match with previous purely semiclassical treatments, which yield excellent agreement with experimental observations. The analytical time-dependent results predict perfect photon statistics conversion from the pump to the Stokes and nonclassical behavior under certain operational conditions.
Keyword Optics
Physics, Atomic, Molecular & Chemical
Noise-reduction
3-level Atoms
Model
Amplification
Inversion
Cavity
Output
Input
H-2
Oscillator
Q-Index Code C1

 
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Created: Wed, 15 Aug 2007, 11:51:45 EST