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Identifying entanglement using quantum ghost interference and imaging. | LitMetric
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Identifying entanglement using quantum ghost interference and imaging.

Milena D'Angelo Yoon-Ho Kim Sergei P Kulik Yanhua Shih

Phys Rev Lett

Department of Physics, University of Maryland, Baltimore County, Baltimore, Maryland, 21250, USA.

Published: June 2004

We report a quantum interference and imaging experiment which allows identifying the entanglement in momentum and position variables of a two-photon system. The measurements show indeed that the uncertainties in the sum of momenta and in the difference of positions of the entangled two-photon satisfy both EPR inequalities Delta(k(1)+k(2))

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http://dx.doi.org/10.1103/PhysRevLett.92.233601DOI Listing

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