Teleportation scheme implementing the universal optimal quantum cloning machine and the universal NOT gate

Year: 2004

Authors: Ricci M., Sciarrino F., Sias C., De Martini F.

Autors Affiliation: Dipartimento di Fisica and Istituto Nazionale per la Fisica della Materia, Universita` di Roma ‘‘La Sapienza,’’ Roma, 00185 Italy

Abstract: By a significant modification of the standard protocol of quantum state teleportation, two processes \”forbidden\” by quantum mechanics in their exact form, the universal NOT gate and the universal optimal quantum cloning machine, have been implemented contextually and optimally by a fully linear method. In particular, the first experimental demonstration of the tele-UNOT gate, a novel quantum information protocol, has been reported. The experimental results are found in full agreement with theory.

Journal/Review: PHYSICAL REVIEW LETTERS

Volume: 92 (4)      Pages from: 047901  to: 047901

KeyWords: U-Not gate; Teleportation; Quantum cloning
DOI: 10.1103/PhysRevLett.92.047901

Citations: 94
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