Realization of the optimal universal quantum entangler

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Authors

SCIARRINO Fabio DE MARTINI Francesco BUŽEK Vladimír

Year of publication 2004
Type Article in Periodical
Magazine / Source Physical Review A
MU Faculty or unit

Faculty of Informatics

Citation
Web http://link.aps.org/abstract/PRA/v70/e062313
Field Theoretical physics
Keywords quantum computing;
Description We present an experimental demonstration of the "optimal" and "universal" quantum entangling process involving qubits encoded in the polarization of single photons. The structure of the "quantum entangling machine" consists of the quantum injected optical parametric amplifier by which the simultaneous realization of the 12 universal quantum cloning and of the universal NOT (U-NOT) gate has also been achieved.
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