Separating the classical and quantum information via quantum cloning.
Phys Rev Lett
; 95(9): 090504, 2005 Aug 26.
Article
em En
| MEDLINE
| ID: mdl-16197197
ABSTRACT
An application of quantum cloning to optimally interface a quantum system with a classical observer is presented; in particular, we describe a procedure to perform a minimal disturbance measurement on a single qubit by adopting a 1-->2 cloning machine followed by a generalized measurement on a single clone and the anticlone or on the two clones. Such a scheme can be applied to enhance the transmission fidelity over a lossy quantum channel.
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MEDLINE
Idioma:
En
Revista:
Phys Rev Lett
Ano de publicação:
2005
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Article