Sub-shot-noise photon-number correlation in a mesoscopic twin beam of light (Articolo in rivista)

Type
Label
  • Sub-shot-noise photon-number correlation in a mesoscopic twin beam of light (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevA.76.013833 (literal)
Alternative label
  • Bondani M.; Allevi A.; Zambra G.; Paris M.G.A.; Andreoni A. (2007)
    Sub-shot-noise photon-number correlation in a mesoscopic twin beam of light
    in Physical review. A
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Bondani M.; Allevi A.; Zambra G.; Paris M.G.A.; Andreoni A. (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 76 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 5 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 1 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • INFM, CNR, Natl Lab Ultrarfast & Ultraintense Opt Sci, Como, Italy; Univ Insubria, Dipartimento Matemat & Fis, CNR INFM CNISM, Como, Italy; Univ Insubria, Dipartimento Matemat & Fis, Como, Italy; Univ Milan, Dipartimento Fis, Milan, Italy (literal)
Titolo
  • Sub-shot-noise photon-number correlation in a mesoscopic twin beam of light (literal)
Abstract
  • We demonstrate sub-shot-noise photon-number correlations in a (temporal) multimode mesoscopic (similar to 10(3) detected photons) twin beam produced by picosecond-pulsed spontaneous nondegenerate parametric down-conversion. We have separately detected the signal and idler distributions of photons collected in twin coherence areas and found that the variance of the photon-count difference goes below the shot-noise limit by 3.25 dB. The number of temporal modes contained in the twin beam, as well as the size of the twin coherence areas, depends on the pump intensity. Our scheme is based on spontaneous down-conversion and thus does not suffer from limitations due to the finite gain of the parametric process. Twin beams are also used to demonstrate the conditional preparation of a nonclassical (sub-Poissonian) state. (literal)
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