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Quantum correlations and non-demolition measurements using two-photon non-linearities in optical cavities

Abstract : We present an analysis of the coupling of the quantum fluctuations of two initially independent laser beams, using a two-photon non-linear medium inside an optical cavity. Depending on the detuning of the lasers relative to the cavity resonance, either quantum non-demolition measurement, or squeezing of the sum or the difference of the input intensities can be obtained.
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https://hal-iogs.archives-ouvertes.fr/hal-00559029
Contributor : Philippe Grangier <>
Submitted on : Monday, January 24, 2011 - 4:24:31 PM
Last modification on : Tuesday, October 20, 2020 - 5:28:02 PM

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Philippe Grangier, Jean-François Roch, Serge Reynaud. Quantum correlations and non-demolition measurements using two-photon non-linearities in optical cavities. Optics Communications, Elsevier, 1989, 72 (6), pp.387-392. ⟨10.1016/0030-4018(89)90446-X⟩. ⟨hal-00559029⟩

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