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Proceedings Paper

Wigner function reconstruction by hybrid photodetectors in the linear regime
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Paper Abstract

We present an experimental scheme for the reconstruction of the Wigner function of optical states. The method is based on direct intensity measurements by non-ideal photodetectors operated in the linear regime. We mix, at a beam-splitter, the signal state with a set of coherent probes of known complex amplitudes, and measure the probability distribution of the detected photons for each probe. The Wigner function is given by a suitable sum of those probability distributions. For comparison, the same data are analyzed to obtain the number distributions and the Wigner functions for photons.

Paper Details

Date Published: 29 April 2009
PDF: 8 pages
Proc. SPIE 7320, Advanced Photon Counting Techniques III, 732008 (29 April 2009); doi: 10.1117/12.818151
Show Author Affiliations
Maria Bondani, National Lab. for Ultrafast and Ultraintense Optical Science, INFM (Italy)
Alessia Allevi, CNISM (Italy)
Alessandra Andreoni, Univ. degli Studi dell'Insubria (Italy)
CNISM (Italy)

Published in SPIE Proceedings Vol. 7320:
Advanced Photon Counting Techniques III
Mark A. Itzler; Joe C. Campbell, Editor(s)

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