Optimal dimensionality for quantum cryptography
量子物理
2015-06-26 v1
摘要
We perform a comparison of two protocols for generating a cryptographic key composed from d-valued symbols: one exploiting a string of independent qubits and another one utilizing d-level systems prepared in states belonging to d+1 mutually unbiased bases. We show that the protocol based on qubits is optimal for quantum cryptography, since it provides higher security and higher key generation rate.
引用
@article{arxiv.quant-ph/0203095,
title = {Optimal dimensionality for quantum cryptography},
author = {D. B. Horoshko and S. Ya. Kilin},
journal= {arXiv preprint arXiv:quant-ph/0203095},
year = {2015}
}
备注
Revtex, 4 pages, 1 eps figure