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Optics Letters

Optics Letters


  • Vol. 28, Iss. 15 — Aug. 1, 2003
  • pp: 1317–1319

Direct measurement of the spatial Wigner function with area-integrated detection

Eran Mukamel, Konrad Banaszek, Ian A. Walmsley, and Christophe Dorrer  »View Author Affiliations

Optics Letters, Vol. 28, Issue 15, pp. 1317-1319 (2003)

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We demonstrate experimentally a novel technique for characterizing transverse spatial coherence by using the Wigner distribution function. The method is based on the measurement of interference between a pair of rotated and displaced replicas of the input beam with an area-integrating detector, and it provides an optimal signal-to-noise ratio in regimes when array detectors are not available. We analyze the quantum-optical picture of the presented measurement for single-photon signals and discuss possible applications in quantum information processing.

© 2003 Optical Society of America

OCIS Codes
(030.1640) Coherence and statistical optics : Coherence
(110.1650) Imaging systems : Coherence imaging
(270.1670) Quantum optics : Coherent optical effects

Eran Mukamel, Konrad Banaszek, Ian A. Walmsley, and Christophe Dorrer, "Direct measurement of the spatial Wigner function with area-integrated detection," Opt. Lett. 28, 1317-1319 (2003)

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