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Phys. Rev. A 73, 033814 (2006) [4 pages]

Highly nonclassical photon statistics in parametric down-conversion

Edo Waks,1 Barry C. Sanders,2,3 Eleni Diamanti,1 and Yoshihisa Yamamoto1
1E. L. Ginzton Laboratories, Stanford University, Stanford, California 94305, USA
2Institute for Quantum Information Science, University of Calgary, Alberta, Canada T2N 1N4
3Centre for Quantum Computer Technology, Macquarie University, New South Wales 2109, Australia

Received 12 December 2005; published 20 March 2006

We use photon counters to obtain the joint photon-counting statistics from twin-beam nondegenerate parametric down-conversion, and we demonstrate directly, and with no auxiliary assumptions, that these twin beams are nonclassical.

©2006 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevA.73.033814
DOI: 10.1103/PhysRevA.73.033814
PACS: 42.50.Ar; 42.50.Dv
  • 42.50.Ar
    Photon statistics and coherence theory
  • 42.50.Dv
    Nonclassical states of the electromagnetic field, including entangled photon states; quantum state engineering and measurements
  • YEAR: 2006
KEYWORDS: photon counting, nonlinear optics

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