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Experimental demonstration of the bosonic commutation relation via superpositions of quantum operations on thermal light fields

  Articoli su Riviste JCR/ISI  (anno 2009)

Autori:  Zavatta A., Parigi V., Kim M.S., Jeong H., Bellini M

Affiliazione Autori:  Istituto Nazionale di Ottica Applicata (INOA-CNR), L.go E. Fermi 6, 50125 Florence, Italy; LENS and Department of Physics, University of Firenze, 50019 Sesto Fiorentino, Florence, Italy; School of Mathematics and Physics, The Queen’s University, Belfast BT7 1NN, United Kingdom; Center for Subwavelength Optics and Department of Physics and Astronomy, Seoul National University, Seoul, 151-742, South Korea

Riassunto:  We present the experimental realization of a scheme, based on single-photon interference, for implementing superpositions of distinct quantum operations. Its application to a thermal light field (a well-categorized classical entity) illustrates quantum superposition from a new standpoint and provides a direct and quantitative verification of the bosonic commutation relation between creation and annihilation operators. By shifting the focus towards operator superpositions, this result opens interesting alternative perspectives for manipulating quantum states.

Rivista/Giornale:  PHYSICAL REVIEW LETTERS
Volume n.:  103 (14)      Pagine da: 140406  a: 140406
Ulteriori informazioni:  Work performed in the frame of the \"Spettroscopia laser e ottica quantistica\" project of the Department of Physics of the University of Florence, with the support of Ente Cassa di Risparmio di Firenze and CNR-RSTL. M. S. K. acknowledges U. K. EPSRC and QIP IRC at Oxford for financial support. H. J. was supported by the WCU program and the KOSEF grant funded by the Korea government (MEST) (R11-2008-095-01000-0).
DOI: 10.1103/PhysRevLett.103.140406

*Impact Factor della Rivista: (2009) 7.328   *Citazioni: 81
data tratti da "WEB OF SCIENCE" (marchio registrato di Thomson Reuters) ed aggiornati a:  19/05/2019

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