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Proceedings Paper

Hyper-entangled two-photon states for quantum communication applications
Author(s): M. Barbieri; F. De Martini; P. Mataloni
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Paper Abstract

Two photon states entangled in polarization and momentum, hyper-entangled, have been generated by using linear optics and a single Type I nonlinear crystal. These states have been completely characterized and their nonlocal behaviour have been verified by independent Bell's inequalities tests performed in the two degrees of freedom of entanglement and by an "all versus nothing" test of local realism. The manipulation of these states may represent a useful control in quantum state engineering and Bell state measurements and, more in general, in Quantum Information applications.

Paper Details

Date Published: 12 May 2006
PDF: 11 pages
Proc. SPIE 6244, Quantum Information and Computation IV, 62440A (12 May 2006); doi: 10.1117/12.665579
Show Author Affiliations
M. Barbieri, Univ. di Roma, La Sapienza (Italy)
Consorzio Interuniversitario per le Scienze Fisiche della Materia (Italy)
F. De Martini, Univ. di Roma, La Sapienza (Italy)
Consorzio Interuniversitario per le Scienze Fisiche della Materia (Italy)
P. Mataloni, Univ. di Roma, La Sapienza (Italy)
Consorzio Interuniversitario per le Scienze Fisiche della Materia (Italy)


Published in SPIE Proceedings Vol. 6244:
Quantum Information and Computation IV
Eric J. Donkor; Andrew R. Pirich; Howard E. Brandt, Editor(s)

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