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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 15, Iss. 8 — Aug. 1, 1998
  • pp: 2325–2330

Shift of the subharmonic resonances and suppression of fluorescence in a two-level atom driven by a bichromatic field

T. Rudolph, H. S. Freedhoff, and Z. Ficek  »View Author Affiliations


JOSA B, Vol. 15, Issue 8, pp. 2325-2330 (1998)
http://dx.doi.org/10.1364/JOSAB.15.002325


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Abstract

We study the behavior of a two-level atom that is driven by a bichromatic field consisting of a strong resonant component and a weaker tunable component. In addition to the splitting of the energy levels (the multiphoton AC Stark effect), we find that the weaker component also shifts the subharmonic resonances, an effect we attribute to a dynamic Stark shift. When the weaker component is tuned to a shifted resonance, no fluorescence occurs at either the frequency of the strong component or the three-photon mixing frequency. Results are obtained with numerical techniques and explained in terms of the dressed-atom model of the system.

© 1998 Optical Society of America

OCIS Codes
(270.0270) Quantum optics : Quantum optics
(270.4180) Quantum optics : Multiphoton processes
(270.6620) Quantum optics : Strong-field processes

Citation
T. Rudolph, H. S. Freedhoff, and Z. Ficek, "Shift of the subharmonic resonances and suppression of fluorescence in a two-level atom driven by a bichromatic field," J. Opt. Soc. Am. B 15, 2325-2330 (1998)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-15-8-2325

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