Thomas Durt

TL;DR: In this paper, the authors present a unified approach in which the basis states are labeled by numbers 0, 1, 2, …, N - 1 that are both elements of a Galois field and ordinary integers, and show how to use the thus constructed mutually unbiased bases in quantum-informatics applications, including dense coding, teleportation, entanglement swapping, covariant cloning, and state tomography.

TL;DR: In this article, it was shown that the resistance to noise is not a good measure of nonlocality and introduced some other possible measures, such as non-maximally entangled states, which are more robust to noise.

TL;DR: This paper considers a generalization of Ekert's entanglement-based quantum cryptographic protocol where qubits are replaced by three-level systems (qutrits), and exhibits the explicit form of this cloner, which is distinct from the previously known cloners.

TL;DR: The information gained by a potential eavesdropper during a cloning-based individual attack is derived and an upper bound on the error rate is obtained that guarantees the confidentiality of qudit generalizations of the Ekert's protocol for qubits.

TL;DR: This work experimentally verifies the intriguing relationship between the cloning fidelity and the prior information by reporting the first experimental optimal quantum state-dependent cloner, using nuclear magnetic resonance techniques.