Abstract: We study the robustness of various protocols for quantum key distributions. We first consider the case of qutrits and study quantum protocols that employ two and three mutually unbiased bases. We then derive the optimal eavesdropping strategy for two mutually unbiased bases in dimension 4 and generalize the result to a quantum key distribution protocol that uses two mutually unbiased bases in arbitrary finite dimensions.
Robustness of a quantum key distribution with two and three mutually unbiased bases / F. Caruso;H. Bechmann-Pasquinucci;C. Macchiavello. - In: PHYSICAL REVIEW A. - ISSN 1050-2947. - ELETTRONICO. - 72:(2005), pp. 032340-1-032340-8. [10.1103/PhysRevA.72.032340]
Robustness of a quantum key distribution with two and three mutually unbiased bases
CARUSO, FILIPPO;
2005
Abstract
Abstract: We study the robustness of various protocols for quantum key distributions. We first consider the case of qutrits and study quantum protocols that employ two and three mutually unbiased bases. We then derive the optimal eavesdropping strategy for two mutually unbiased bases in dimension 4 and generalize the result to a quantum key distribution protocol that uses two mutually unbiased bases in arbitrary finite dimensions.
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