Towards higher precision and operational use of optical homodyne tomograms (Articolo in rivista)

Type
Label
  • Towards higher precision and operational use of optical homodyne tomograms (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevA.85.052129 (literal)
Alternative label
  • Bellini M. [ 1,2 ] ; Coelho A. S. [ 3 ] ; Filippov S. N. [ 4 ] ; Man'ko V. I. [ 4,5 ] ; Zavatta A. [ 1,2 ] (2012)
    Towards higher precision and operational use of optical homodyne tomograms
    in Physical review. A
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Bellini M. [ 1,2 ] ; Coelho A. S. [ 3 ] ; Filippov S. N. [ 4 ] ; Man'ko V. I. [ 4,5 ] ; Zavatta A. [ 1,2 ] (literal)
Pagina inizio
  • 052129 (literal)
Pagina fine
  • 052129 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 85 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 10 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 5 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • [ 1 ] Ist Nazl Ottica, INO CNR, I-50125 Florence, Italy [ 2 ] LENS, I-50019 Florence, Italy [ 3 ] Univ Sao Paulo, Inst Fis, BR-05315970 Sao Paulo, Brazil [ 4 ] Moscow Inst Phys & Technol, Dolgoprudnyi 141700, Moscow Region, Russia [ 5 ] Russian Acad Sci, PN Lebedev Phys Inst, Moscow 119991, Russia (literal)
Titolo
  • Towards higher precision and operational use of optical homodyne tomograms (literal)
Abstract
  • We present the results of an operational use of experimentally measured optical tomograms to determine state characteristics (purity) avoiding any reconstruction of quasiprobabilities. We also develop a natural way how to estimate the errors (including both statistical and systematic ones) by an analysis of the experimental data themselves. Precision of the experiment can be increased by postselecting the data with minimal (systematic) errors. We demonstrate those techniques by considering coherent and photon-added coherent states measured via the time-domain improved homodyne detection. The operational use and precision of the data allowed us to check purity-dependent uncertainty relations and uncertainty relations for Shannon and Renyi entropies. (literal)
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