Source-device-independent randomness expansion using quantum random access codes

In this paper, we discuss quantum randomness expansion using the unreliable source device and the honest measure device consisting of mutually unbiased bases in 3-dimensional Hilbert space. Then, we obtain the relationship between 3-dimensional quantum witness and random number generation rate. Furt...

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Bibliographic Details
Published inQuantum information processing Vol. 22; no. 5
Main Authors Zhou, Yu-Qian, Yao, Qian-Kun, Dong, Ya-Qi, Li, Dan, Zhu, You-Wen
Format Journal Article
LanguageEnglish
Published New York Springer US 13.05.2023
Subjects
Data Structures and Information Theory
Mathematical Physics
Physics
Physics and Astronomy
Quantum Computing
Quantum Information Technology
Quantum Physics
Spintronics
Quantum random access codes
Bloch sphere
Quantum random number
Min-entropy bound
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ISSN1573-1332
1573-1332
DOI10.1007/s11128-023-03967-6

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Summary:In this paper, we discuss quantum randomness expansion using the unreliable source device and the honest measure device consisting of mutually unbiased bases in 3-dimensional Hilbert space. Then, we obtain the relationship between 3-dimensional quantum witness and random number generation rate. Furthermore, the analytic expression of the relationship is given, which is of great significance for security analysis and practical application. This work can be considered a preliminary attempt for semi-device-independent quantum random number extension protocols in 3-dimensional Hilbert space.
ISSN:1573-1332
1573-1332
DOI:10.1007/s11128-023-03967-6