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Phys Rev Lett. 2005 Dec 9;95(24):240405. Epub 2005 Dec 9.

All-versus-nothing nonlocality test of quantum mechanics by two-photon hyperentanglement.

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  • 1Dipartimento di Fisica dell' Universit√† La Sapienza and Consorzio Nazionale Interuniversitario per le Scienze Fisiche della Materia, Roma, 00185 Italy.


We report the experimental realization and the characterization of polarization and momentum hyperentangled two-photon states, generated by a new parametric source of correlated photon pairs. By adoption of these states an "all-versus-nothing" test of quantum mechanics was performed. The two-photon hyperentangled states are expected to find at an increasing rate a widespread application in state engineering and quantum information.

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