Approximate quantum cloning with nuclear magnetic resonance.

Approximate quantum cloning with nuclear magnetic resonance.

Here we describe a nuclear magnetic resonance (NMR) experiment that uses a three qubit NMR device to implement the one-to-two approximate quantum cloning network of Buzek et al. [Phys. Rev. A 56, 3446 (1997)]. As expected the experimental results indicate that the network clones all input states wit...

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Bibliographic Details
Main Authors: Cummins, H, Jones, C, Furze, A, Soffe, N, Mosca, M, Peach, J, Jones, J
Format: Journal article
Language:English
Published: 2002
Description
Summary:Here we describe a nuclear magnetic resonance (NMR) experiment that uses a three qubit NMR device to implement the one-to-two approximate quantum cloning network of Buzek et al. [Phys. Rev. A 56, 3446 (1997)]. As expected the experimental results indicate that the network clones all input states with similar fidelities, but as a result of decoherence and incoherent evolution arising from B(1) inhomogeneity the total fidelity achieved does not exceed the measurement bound.

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