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A Three Level Atom with Quantized Field Modes and Coherent Trapping

  • H.-I. Yoo
Conference paper

Abstract

A coherent trapping phenomenon for the level population of a three-level atom, which takes place on two-photon resonance, has been noted and well studied by a semi-classical approach where the classical electro-magnetic fields are regarded as given [1]. In this article we deal with a closed system of one or two quantized field modes and a three-level (∧-type) atom interacting to each other via the non-vanishing atomic dipole matrix elements d12 and d23 (see Fig. 1). We show that the condition for the coherent trapping determines not only the atomic state but also the field state for the two mode case. In the two mode case (see Fig. 1A), mode ℓ (left) couples with the atom by d12 and mode r (right) by d23. The one mode case with its frequency can be regarded as a special case of the two modes with ω = ωr = ω (see Fig. 1 B).

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References

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Copyright information

© Springer Science+Business Media New York 1984

Authors and Affiliations

  • H.-I. Yoo
    • 1
  1. 1.Department of Physics and AstronomyUniversity of RochesterRochesterUSA

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