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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 27, Iss. 14 — Jul. 15, 2002
  • pp: 1244–1246

Investigation of the photon-number statistics of twin beams by direct detection

Yun Zhang, Katsuyuki Kasai, and Masayoshi Watanabe  »View Author Affiliations


Optics Letters, Vol. 27, Issue 14, pp. 1244-1246 (2002)
http://dx.doi.org/10.1364/OL.27.001244


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Abstract

We present the results of an experiment in which we observed photon-number statistics of twin beams emerging from a nondegenerate optical parametric oscillator. We generated the photocurrent for recording by detecting the light and mixing it with a standard electrical oscillator. The measured photocurrent variances exhibited a quantum correlation of as much as -4.9 dB between signal and idler, whereas their photon number distributions were super-Poissonian. We also obtained the difference photon-number distribution.

© 2002 Optical Society of America

OCIS Codes
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(270.5290) Quantum optics : Photon statistics
(270.6570) Quantum optics : Squeezed states

Citation
Yun Zhang, Katsuyuki Kasai, and Masayoshi Watanabe, "Investigation of the photon-number statistics of twin beams by direct detection," Opt. Lett. 27, 1244-1246 (2002)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-27-14-1244

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