Nondegenerate four-wave mixing in a Zeeman degenerate three-level system of cold cesium

We have experimentally investigated a nondegenerate four-wave mixing process in the Zeeman degenerate three-level system 6 S 1/2, F=4–6 P 3/2, F ′=5–6 P 3/2, F ′=4 of cold cesium atoms. The observed spectrum presents a sub-natural double-peak structure directly evidencing the light shift induced by...

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Bibliographic Details
Published in:Optics communications 2004-04, Vol.233 (4), p.383-388
Main Authors: Barreiro, S., Tabosa, J.W.R.
Format: Article
Language:English
Subjects:
Atomic and molecular physics
Atomic properties and interactions with photons
Effects of atomic coherence on propagation, absorption and amplification of light
Exact sciences and technology
Four-wave mixing cold atoms
Fundamental areas of phenomenology (including applications)
Nonlinear optics
Optical cooling of atoms
trapping
Optics
Phase conjugation, optical mixing, and photorefractive effect
Phase conjugation, optical mixing
photorefractive and kerr effects
Photon interactions with atoms
Physics
Quantum optics
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Summary:We have experimentally investigated a nondegenerate four-wave mixing process in the Zeeman degenerate three-level system 6 S 1/2, F=4–6 P 3/2, F ′=5–6 P 3/2, F ′=4 of cold cesium atoms. The observed spectrum presents a sub-natural double-peak structure directly evidencing the light shift induced by the strong pumping beams in the ground state levels. A simple theoretical model was developed which accounts qualitatively for the lineshape of the observed signal.
ISSN:0030-4018
1873-0310
DOI:10.1016/j.optcom.2004.01.066