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Multimode squeezed states produced by a confocal parametric oscillator

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Abstract:

We investigate the spatial behaviour of the quantum-noise-reduction spectrum of the vacuum state emitted by a degenerate optical parametric oscillator below threshold. In view of possible experimental implementations, we consider a mode-degenerate resonator and two matching lenses and show that, for the realistic case of a finite-width pump, significant level of squeezing can be observed in a very small region of the beam.

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Authors and Affiliations

  1. INFM, Università dell'Insubria, Dipartimento di Scienze CC FF MM, Via Valleggio 11, 22100 Como, Italy, , , , , , IT

    K.I. Petsas, A. Gatti & L.A. Lugiato

  2. Laboratoire Kastler Brossel, Université Pierre et Marie Curie, Case 74, 75252 Paris Cedex 05, France, , , , , , FR

    C. Fabre

Authors
  1. K.I. Petsas
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  2. A. Gatti
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  3. L.A. Lugiato
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  4. C. Fabre
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Received 25 September 2002 Published online 11 February 2003

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Petsas, K., Gatti, A., Lugiato, L. et al. Multimode squeezed states produced by a confocal parametric oscillator. Eur. Phys. J. D 22, 501–512 (2003). https://doi.org/10.1140/epjd/e2003-00045-5

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  • DOI: https://doi.org/10.1140/epjd/e2003-00045-5

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