Self-Testing Quantum Random Number Generator

被引：155

作者：

Lunghi, Tommaso ^{[1
]}

Brask, Jonatan Bohr ^{[2
]}

Lim, Charles Ci Wen ^{[1
]}

Lavigne, Quentin ^{[1
]}

Bowles, Joseph ^{[2
]}

Martin, Anthony ^{[1
]}

Zbinden, Hugo ^{[1
]}

Brunner, Nicolas ^{[2
]}

机构：

[1] Univ Geneva, Grp Appl Phys, CH-1211 Geneva, Switzerland

[2] Univ Geneva, Dept Phys Theor, CH-1211 Geneva, Switzerland

来源：

PHYSICAL REVIEW LETTERS | 2015年 / 114卷 / 15期

基金：

英国工程与自然科学研究理事会; 瑞士国家科学基金会;

关键词：

Random processes - Random number generation - Number theory;

D O I：

10.1103/PhysRevLett.114.150501

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The generation of random numbers is a task of paramount importance in modern science. A central problem for both classical and quantum randomness generation is to estimate the entropy of the data generated by a given device. Here we present a protocol for self-testing quantum random number generation, in which the user can monitor the entropy in real time. Based on a few general assumptions, our protocol guarantees continuous generation of high quality randomness, without the need for a detailed characterization of the devices. Using a fully optical setup, we implement our protocol and illustrate its self-testing capacity. Our work thus provides a practical approach to quantum randomness generation in a scenario of trusted but error-prone devices.

引用

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