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Article Dans Une Revue Physical Review A : Atomic, molecular, and optical physics [1990-2015] Année : 2004

Conditional preparation of a non-classical state in the continuous variable regime: theoretical study

Julien Laurat
Thomas Coudreau
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Nicolas Treps
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Agnès Maître
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Claude Fabre
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Résumé

We study the characteristics of the quantum state of light produced by a conditional preparation protocol totally performed in the continuous variable regime. It relies on conditional measurements on quantum intensity correlated bright twin beams emitted by a non-degenerate OPO above threshold. Analytical expressions as well as computer simulations of the selected state properties and preparation efficiency are developed and show that a sub-Poissonian state can be produced by this technique. Projection onto a given trigger value is studied and then extended to a finite band. The continuous variable regime offers the unique possibility to improve dramatically the preparation efficiency by choosing multiple selection bands and thus to generate a great number of sub-Poissonian states in parallel.
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Dates et versions

hal-00000904 , version 1 (29-11-2003)

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Julien Laurat, Thomas Coudreau, Nicolas Treps, Agnès Maître, Claude Fabre. Conditional preparation of a non-classical state in the continuous variable regime: theoretical study. Physical Review A : Atomic, molecular, and optical physics [1990-2015], 2004, 69, pp.33808. ⟨hal-00000904⟩
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