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Article Dans Une Revue Physical Review Letters Année : 2011

Stabilization of Nonclassical States of the Radiation Field in a Cavity by Reservoir Engineering

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Résumé

We propose an engineered reservoir inducing the relaxation of a cavity field towards nonclassical states. It is made up of two-level atoms crossing the cavity one at a time. Each atom-cavity interaction is first dispersive, then resonant, then dispersive again. The reservoir pointer states are those produced by an effective Kerr Hamiltonian acting on a coherent field. We thereby stabilize squeezed states and quantum superpositions of multiple coherent components in a cavity having a finite damping time. This robust decoherence protection method could be implemented in state-of-the-art experiments.
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Dates et versions

hal-00638446 , version 1 (04-11-2011)

Identifiants

Citer

Alain Sarlette, Jean-Michel Raimond, Michel Brune, Pierre Rouchon. Stabilization of Nonclassical States of the Radiation Field in a Cavity by Reservoir Engineering. Physical Review Letters, 2011, 107 (1), pp.010402. ⟨10.1103/PhysRevLett.107.010402⟩. ⟨hal-00638446⟩
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