Certified Random Number Generation from Quantum Steering

• URL: http://arxiv.org/abs/2111.09506v1
• Date: Thu, 18 Nov 2021 03:49:43 GMT
• Title: Certified Random Number Generation from Quantum Steering
• Authors: Dominick J. Joch, Sergei Slussarenko, Yuanlong Wang, Alex Pepper, Shouyi Xie, Bin-Bin Xu, Ian R. Berkman, Sven Rogge, Geoff J. Pryde
• Abstract summary: 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. 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.
• Score: 1.0820909926464386
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• 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.

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