Analytical solution for the Mollow and Autler-Townes probe absorption spectra of a three-level atom in a squeezed vacuum

Bosticky, M, Ficek, Z and Dalton, BJ (1998) Analytical solution for the Mollow and Autler-Townes probe absorption spectra of a three-level atom in a squeezed vacuum. Physical Review A, 57 5: 3869-3879. doi:10.1103/PhysRevA.57.3869

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Author Bosticky, M
Ficek, Z
Dalton, BJ
Title Analytical solution for the Mollow and Autler-Townes probe absorption spectra of a three-level atom in a squeezed vacuum
Journal name Physical Review A   Check publisher's open access policy
ISSN 1050-2947
Publication date 1998-01-01
Sub-type Article (original research)
DOI 10.1103/PhysRevA.57.3869
Open Access Status File (Publisher version)
Volume 57
Issue 5
Start page 3869
End page 3879
Total pages 11
Language eng
Abstract The Mellow and Autler-Townes probe absorption spectra of a three-level atom in a cascade configuration with the lower transition coherently driven and also coupled to a narrow bandwidth squeezed-vacuum field are studied. Analytical studies of the modifications caused by the finite squeezed-vacuum bandwidth to the spectra are made for the case when the Rabi frequency of the driving field is much larger than the natural linewidth. The squeezed vacuum center frequency and the driving laser frequency are assumed equal. We show that the spectral features depend on the bandwidth of a squeezed vacuum field and whether the sources of the squeezing field are degenerate (DPA) or nondegenerate (NDPA) parametric amplifiers. In a broadband or narrow bandwidth squeezed vacuum generated by a NDPA, the central component of the Mellow spectrum can be significantly narrower than that in the normal vacuum. When the source of the squeezed vacuum is a DPA, the central feature is insensitive to squeezing. The Rabi sidebands, however, can be significantly narrowed only in the squeezed vacuum produced by the DPA. The two lines of the Autler-Townes absorption spectrum can be narrowed only in a narrow bandwidth squeezed vacuum, whereas they are independent of the phase and are always broadened in a broadband squeezed vacuum.
Keyword Optics
Physics, Atomic, Molecular & Chemical
Anomalous Resonance Fluorescence
Damped Quantum-systems
Phase Decays
2-level Atom
Population-inversion
Light Excitation
Driven
Inhibition
Amplification
Spectroscopy
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Physical Sciences Publications
 
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Citation counts: TR Web of Science Citation Count  Cited 7 times in Thomson Reuters Web of Science Article | Citations
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Created: Mon, 13 Aug 2007, 20:26:59 EST