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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 20 — Sep. 27, 2010
  • pp: 20572–20584

Detection of multimode spatial correlation in PDC and application to the absolute calibration of a CCD camera

Giorgio Brida, Ivo Pietro Degiovanni, Marco Genovese, Maria Luisa Rastello, and Ivano Ruo-Berchera  »View Author Affiliations

Optics Express, Vol. 18, Issue 20, pp. 20572-20584 (2010)

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We propose and demonstrate experimentally a new method based on the spatial entanglement for the absolute calibration of analog detectors. The idea consists on measuring the sub-shot-noise intensity correlation between two branches of parametric down conversion, containing many pairwise correlated spatial modes. We calibrate a scientific CCD camera and a preliminary evaluation of the uncertainty indicates the metrological interest of the method.

© 2010 Optical Society of America

OCIS Codes
(120.1880) Instrumentation, measurement, and metrology : Detection
(120.3940) Instrumentation, measurement, and metrology : Metrology
(270.4180) Quantum optics : Multiphoton processes

ToC Category:
Instrumentation, Measurement, and Metrology

Original Manuscript: May 20, 2010
Revised Manuscript: July 13, 2010
Manuscript Accepted: July 14, 2010
Published: September 14, 2010

Giorgio Brida, Ivo Pietro Degiovanni, Marco Genovese, Maria Luisa Rastello, and Ivano Ruo Berchera, "Detection of multimode spatial correlation in PDC and application to the absolute calibration of a CCD camera," Opt. Express 18, 20572-20584 (2010)

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