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Open Quantum Systems Decoherence
Entanglement Theory Quantum Correlations
Quantum cloning machines with phase-conjugate input modes.
PubMed
Authors: Cerf NJ, Iblisdir S
Year
2001
Paper ID
13222
Status
Peer-reviewed
Abstract Read
~2 min
Abstract Words
78
Citations
N/A
Abstract
A quantum cloning machine is introduced that yields M identical optimal clones from N replicas of a coherent state and N' replicas of its phase conjugate. It also optimally produces M' = M+N'-N phase-conjugate clones at no cost. For well chosen ratios N'/N, this machine is shown to provide better cloning fidelities than the standard (N+N')-->M cloner. The special cases of the optimal balanced cloner N = N' and optimal measurement M = infinity are investigated.
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- This paper contributes to the Entanglement Theory & Quantum Correlations research area in the Quantum Articles archive.
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- A quantum cloning machine is introduced that yields M identical optimal clones from N replicas of a coherent state and N' replicas of its phase conjugate.
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