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Quantum key distribution using multilevel encoding
KTH, Tidigare Institutioner                               , Mikroelektronik och informationsteknik, IMIT.
KTH, Tidigare Institutioner                               , Mikroelektronik och informationsteknik, IMIT.ORCID-id: 0000-0002-2082-9583
2001 (engelsk)Inngår i: Physical Review A. Atomic, Molecular, and Optical Physics, ISSN 1050-2947, E-ISSN 1094-1622, Vol. 6401, nr 1Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

In this article, protocols for quantum key distribution based on encoding in higher dimensional systems in N-dimensional Hilbert space are proposed. We extend the original Bennett-Brassard protocol using two complementary bases and two-dimensional states to M mutually complementary bases and N orthogonal vectors in each base. We study the mutual information between the legitimate parties and the eavesdropper and the error rate by considering various incoherent eavesdropping attacks as a function of the dimension of the Hilbert space.

sted, utgiver, år, opplag, sider
2001. Vol. 6401, nr 1
Emneord [en]
cryptography, states, qubits
Identifikatorer
URN: urn:nbn:se:kth:diva-20761ISI: 000169711400025OAI: oai:DiVA.org:kth-20761DiVA, id: diva2:339458
Merknad
QC 20100525Tilgjengelig fra: 2010-08-10 Laget: 2010-08-10 Sist oppdatert: 2017-12-12bibliografisk kontrollert

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