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

Details Conditional large Fock state preparation and field state reconstruction in Cavity QED Conditional large Fock state preparation and field state reconstruction in Cavity QED

2001-02-14

arxiv.org/abs/quant-ph/0102074v1

Phys. Rev. Lett. 87, 093601 (2001).

Physics

Quantum Physics

4 Revtex pages with 3 postscript figures. Submitted for publication

Scientific paper

10.1103/PhysRevLett.87.093601

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.

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