Optimal cloning for two pairs of orthogonal states

Abstract

We study the optimal cloning transformation for two pairs of orthogonal states of two-dimensional quantum systems, and derive the corresponding optimal fidelities.

4 pages, 3 figures

Cited by in corpus (8)

• Mutually unbiased binary observable sets on N qubits
• Experimental macroscopic coherence by phase-covariant cloning of a single photon
• Realization of the 1->3 optimal phase-covariant quantum cloning machine
• Theoretical framework for physical unclonable functions, including quantum readout
• Implementation of optimal phase-covariant cloning machines
• Trace distance from the viewpoint of quantum operation techniques
• Minimal sets determining universal and phase-covariant quantum cloning
• Scheme for the implementation of optimal cloning of two pairs of orthogonal states