Experimental Quantum Cloning with Prior Partial Information

Details Experimental Quantum Cloning with Prior Partial Information Experimental Quantum Cloning with Prior Partial Information

2004-05-17

arxiv.org/abs/quant-ph/0405094v1

Physics

Quantum Physics

4 pages, 2 figures

Scientific paper

10.1103/PhysRevLett.94.040505

When prior partial information about a state to be cloned is available, it can be cloned with a fidelity higher than that of universal quantum cloning. We experimentally verify this intriguing relationship between the cloning fidelity and the prior information by reporting the first experimental optimal quantum state-dependent cloning, using nuclear magnetic resonance techniques. Our experiments may further have important implications into many quantum information processing protocols.

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