Conditional large Fock state preparation and field state reconstruction in cavity QED

We propose a scheme for producing large Fock states in cavity QED via the implementation of a highly selective atom-field interaction. It is based on Raman excitation of a three-level atom by a classical field and a quantized field mode. Selectivity appears when one tunes to resonance a specific tra...

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Bibliographic Details
Published in:Physical review letters 2001-08, Vol.87 (9), p.093601-093601, Article 093601
Main Authors: Santos, M F, Solano, E, de Matos Filho, R L
Format: Article
Language:English
Subjects:
ATOMS
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
EXCITATION
IMPLEMENTATION
RESONANCE
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Summary:We propose a scheme for producing large Fock states in cavity QED via the implementation of a highly selective atom-field interaction. It is based on Raman excitation of a three-level atom by a classical field and a quantized field mode. Selectivity appears when one tunes to resonance a specific transition inside a chosen atom-field subspace, while other transitions remain dispersive, as a consequence of the field dependent electronic energy shifts. We show that this scheme can be also employed for reconstructing, in a new and efficient way, the Wigner function of the cavity field state.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.87.093601