Optimal dimensionality for quantum cryptography

被引：8

作者：

Horoshko, DB ^{[1
]}

Kilin, SY ^{[1
]}

机构：

[1] Natl Acad Sci Belarus, Inst Phys, Minsk 220072, BELARUS

来源：

OPTICS AND SPECTROSCOPY | 2003年 / 94卷 / 05期

关键词：

Quantum Cryptography; Random String; BB84 Protocol; Optimal Dimensionality; Cloning Machine;

D O I：

10.1134/1.1576836

中图分类号：

O43 [光学];

学科分类号：

070207 [光学]; 0803 [光学工程];

摘要：

A comparison of two protocols for generating a cryptographic key composed from d-valued symbols, one using a string of independent qubits and another utilizing d-level systems prepared in states belonging to d + 1 mutually unbiased bases, is performed. The protocol based on qubits is shown to be optimal for quantum cryptography, since it provides higher security and a higher key generation rate. (C) 2003 MAIK "Nauka/Interperiodica".

引用

页码：691 / 694

页数：4

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