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Cited 30 time in webofscience Cited 39 time in scopus
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Quantum Ghost Image Identification with Correlated Photon Pairs SCIE SCOPUS

Title
Quantum Ghost Image Identification with Correlated Photon Pairs
Authors
Malik, MShin, HO'Sullivan, MZerom, PBoyd, RW
Date Issued
2010-04-23
Publisher
APS
Abstract
Ghost imaging can be performed using either quantum or classical states of light that possess strong spatial correlations. In both cases, the image is formed by averaging over many optical events. Here we show that it is possible to distinguish an object from a preestablished basis set of objects by using a small number of position-correlated photon pairs produced by spontaneous parametric down-conversion. The signal photon is incident on one member of a set of spatially nonoverlapping objects. The "ghost'' image information is impressed upon the spatially separated idler photon and is extracted by means of holographic filtering and coincidence detection. We were able to distinguish among sets of two and four spatially nonoverlapping objects with confidence levels higher than 87% and 81%, respectively. This method of ghost imaging can be performed in situations requiring extremely low light levels.
Keywords
TELEPORTATION; ENTANGLEMENT; DIFFRACTION
URI
https://oasis.postech.ac.kr/handle/2014.oak/13347
DOI
10.1103/PHYSREVLETT.104.163602
ISSN
0031-9007
Article Type
Article
Citation
PHYSICAL REVIEW LETTERS, vol. 104, no. 16, 2010-04-23
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