Quantum cloning of orthogonal qubits
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J. FiurΓ‘Ε‘ek; S. Iblisdir; S. Massar; N.J. Cerf
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Article
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2003
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John Wiley and Sons
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English
β 86 KB
## Abstract An optimal universal cloning transformation is derived that produces __M__ copies of an unknown qubit from a pair of orthogonal qubits. For __M__>6, the corresponding cloning fidelity is higher than that of the optimal copying of a pair of identical qubits.