Experimental investigation of amplitude and phase quantum correlations in a type II OPO above threshold: from the non-degenerate to the degenerate operation - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Optics Letters Année : 2005

Experimental investigation of amplitude and phase quantum correlations in a type II OPO above threshold: from the non-degenerate to the degenerate operation

Julien Laurat
Laurent Longchambon
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Claude Fabre
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Résumé

We describe a very stable type II optical parametric oscillator operated above threshold which provides 9.7 $\pm$ 0.5 dB (89%) of quantum noise reduction on the intensity difference of the signal and idler modes. We also report the first experimental study by homodyne detection of the generated bright two-mode state in the case of frequency degenerate operation obtained by introducing a birefringent plate inside the optical cavity.
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Dates et versions

hal-00003575 , version 1 (14-12-2004)

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Julien Laurat, Thomas Coudreau, Laurent Longchambon, Claude Fabre. Experimental investigation of amplitude and phase quantum correlations in a type II OPO above threshold: from the non-degenerate to the degenerate operation. Optics Letters, 2005, 30, pp.1177. ⟨hal-00003575⟩
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