Semi-Device-Independent Random Number Generation with Flexible Assumptions
arXiv:2002.12295 · doi:10.1038/s41534-021-00387-1
Abstract
Our ability to trust that a random number is truly random is essential for fields as diverse as cryptography and fundamental tests of quantum mechanics. Existing solutions both come with drawbacks -- device-independent quantum random number generators (QRNGs) are highly impractical and standard semi-device-independent QRNGs are limited to a specific physical implementation and level of trust. Here we propose a new framework for semi-device-independent randomness certification, using a source of trusted vacuum in the form of a signal shutter. It employs a flexible set of assumptions and levels of trust, allowing it to be applied in a wide range of physical scenarios involving both quantum and classical entropy sources. We experimentally demonstrate our protocol with a photonic setup and generate secure random bits under three different assumptions with varying degrees of security and resulting data rates.
arXiv comment27 pages, 7 figures, 1 table
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Cited by in corpus (9)
- A Comprehensive Review of Quantum Random Number Generators: Concepts, Classification and the Origin of Randomness
- Semi-device-independent quantum random number generator with a broadband squeezed state of light
- Bounds on semi-device-independent quantum random number expansion capabilities
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