Self-Testing Quantum Random Number Generator
Open accessAbstract
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.
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The source and measurement devices can be assumed to occupy independent two-dimensional quantum subspaces.
“For example, the source and measurement devices can be assumed to occupy independent two-dimensional quantum subspaces. 85”
From Quantum random number generation (2016) · cites this paper as [85]
The assumptions listed in “A self-testing quantum random number generator” (p. 3) treat the preparation and measurement devices as independent and restrict the information retrieved by the measurement device to a two-dimensional quantum subspace. They do not say that each device occupies its own independent two-dimensional quantum subspace. (LLM, conf=0.88)
Experimental — accuracy not yet measuredThere are QRNGs that achieve self-testing except under some mild assumptions.
“Apart from the above two types of QRNGs, there are also some other QRNGs that achieve self-testing except under some mild assumptions.”
From Quantum random number generation (2016) · cites this paper as [85]
The paper presents and implements a self-testing QRNG based on a few general assumptions (p. 1). But it says that two of its assumptions are stronger and must be justified for each implementation (p. 3), so describing the assumptions collectively as mild overstates the source. (LLM, conf=0.84)
Experimental — accuracy not yet measured
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Experimental Self-Characterization of Quantum Measurements
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Semi-Device-Independent Certification of Independent Quantum State and Measurement Devices
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Device-independent test of a delayed choice experiment
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Fast self-testing Quantum Random Number Generator based on homodyne detection
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Self-citationDetecting violations of macrorealism when the original Leggett-Garg inequalities are satisfied
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Quantum random number generation based on a perovskite light emitting diode
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An optical chip for self-testing quantum random number generation
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Self-citationMeasurement incompatibility and quantum advantage in communication
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High-speed source-device-independent quantum random number generator on a chip
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Experimental study of a quantum random-number generator based on two independent lasers
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Randomness Expansion Secured by Quantum Contextuality
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Quantum Random Number Generation
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Quantum Random-Number Generator Based on Tunneling Effects in a Si Diode
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Single-System-Based Generation of Certified Randomness Using Leggett-Garg Inequality
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- Authors
- Lunghi, T., Brask, J. B., Lim, C. C. W., Lavigne, Q., Bowles, J., Martin, A., Zbinden, H., & Brunner, N.
- Affiliations
- University of Geneva (CH)
- ORCID
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2015-04-15
- Volume
- 114
- Issue
- 15
- Pages
- 150501-150501
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2025267340
- Cited by
- 206
- References
- 32
- Citations by year
- 2026: 14 · 2025: 19 · 2024: 12 · 2023: 18 · 2022: 16 · 2021: 23 · 2020: 26 · 2019: 26 · 2018: 16 · 2017: 13 · 2016: 13 · 2015: 8 · 2014: 2
- FWCI
- 16.31
- Type
- journal article
- Language
- en
- Open access
- green
- arxiv.org
- Locations
- Physical Review Letters (publishedVersion)
- PubMed (publishedVersion)
- Archive ouverte UNIGE (University of Geneva) (publishedVersion)
- arXiv (Cornell University) (submittedVersion)
- HAL (submittedVersion)
- Archive ouverte UNIGE (University of Geneva) (submittedVersion, cc-by)
- arXiv (Cornell University)
- Funders
- Schweizerische Nationalfonds zur Förderung der Wissenschaftlichen Forschung (PP00P2_138917, QSIT)
- SEFRI
- SIQS
- Topics
- Physical Sciences › Computer Science › Artificial Intelligence › Quantum Information and Cryptography
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Quantum Mechanics and Applications
- Physical Sciences › Computer Science › Artificial Intelligence › Quantum Computing Algorithms and Architecture
- Keywords
- quantum random number generation, self-testing, device-independent randomness
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