Self-testing quantum random number generator.
- Lunghi T Group of Applied Physics, Université de Genève, 1211 Genève, Switzerland.
- Brask JB Département de Physique Théorique, Université de Genève, 1211 Genève, Switzerland.
- Lim CC Group of Applied Physics, Université de Genève, 1211 Genève, Switzerland.
- Lavigne Q Group of Applied Physics, Université de Genève, 1211 Genève, Switzerland.
- Bowles J Département de Physique Théorique, Université de Genève, 1211 Genève, Switzerland.
- Martin A Group of Applied Physics, Université de Genève, 1211 Genève, Switzerland.
- Zbinden H Group of Applied Physics, Université de Genève, 1211 Genève, Switzerland.
- Brunner N Département de Physique Théorique, Université de Genève, 1211 Genève, Switzerland.
- 2015-05-02
Published in:
- Physical review letters. - 2015
English
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.
- Language
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- English
- Open access status
- green
- Identifiers
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- DOI 10.1103/PhysRevLett.114.150501
- PMID 25933297
- Persistent URL
- https://sonar.ch/global/documents/118260
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