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Article overview
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Direct measurement of spatial Wigner function with area-integrated detection | | Eran Mukamel
; Konrad Banaszek
; Ian A. Walmsley
; Christophe Dorrer
; | | Date: |
17 Feb 2003 | | Journal: | Opt. Lett. 28, 1317 (2003) | | Subject: | quant-ph | | Affiliation: | University of Oxford), Christophe Dorrer (Bell Labs | | Abstract: | We demonstrate experimentally a novel technique for characterizing transverse spatial coherence using the Wigner distribution function. The presented method is based on measuring interference between a pair of rotated and displaced replicas of the input beam with an area-integrating detector, and it can be superior 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. | | Source: | arXiv, quant-ph/0302126 | | Services: | Forum | Review | PDF | Favorites | |
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