Certified Random Number Generation from Quantum Steering

Abstract

The ultimate random number generators are those certified to be unpredictable -- including to an adversary. The use of simple quantum processes promises to provide numbers that no physical observer could predict but, in practice, unwanted noise and imperfect devices can compromise fundamental randomness and protocol security. Certified randomness protocols have been developed which remove the need for trust in devices by taking advantage of nonlocality. Here, we use a photonic platform to implement our protocol, which operates in the quantum steering scenario where one can certify randomness in a one-sided device independent framework. We demonstrate an approach for a steering-based generator of public or private randomness, and the first generation of certified random bits, with the detection loophole closed, in the steering scenario.

7 pages, 3 figures

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• Steering, Entanglement, Nonlocality, and the EPR Paradox
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Cited by in corpus (6)

• Randomness Certification from Multipartite Quantum Steering for Arbitrary Dimensional Systems
• One-Sided Device-Independent Random Number Generation Through Fiber Channels
• Sharing EPR steering between sequential pairs of observers
• Necessary and Sufficient Condition for Randomness Certification from Incompatibility
• Scalable multiparty steering based on a single pair of entangled qubits
• Quantum Assemblage Tomography