Quantum cloning of orthogonal qubits

✍ Scribed by J. Fiurášek; S. Iblisdir; S. Massar; N.J. Cerf

• Book ID: 105357247
• Publisher: John Wiley and Sons
• Year: 2003
• Tongue: English
• Weight: 86 KB
• Volume: 51
• Category: Article
• ISSN: 0015-8208
• DOI: 10.1002/prop.200310013

✦ Synopsis

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.