Experimental Low-Latency Device-Independent Quantum Randomness

Yanbao Zhang; Lynden K. Shalm; Joshua C. Bienfang; Martin J. Stevens; Michael D. Mazurek; Sae Woo Nam; Carlos Abellán; Waldimar Amaya; Morgan W. Mitchell; Honghao Fu; Carl A. Miller; Alan Mink; Emanuel Knill

doi:10.1103/PhysRevLett.124.010505

Experimental Low-Latency Device-Independent Quantum Randomness

Yanbao Zhang, Lynden K. Shalm, Joshua C. Bienfang, Martin J. Stevens, Michael D. Mazurek, Sae Woo Nam, Carlos Abellán, Waldimar Amaya, Morgan W. Mitchell, Honghao Fu, Carl A. Miller, Alan Mink, Emanuel Knill

Research output: Contribution to journal › Article › peer-review

37 Scopus citations

Abstract

Applications of randomness such as private key generation and public randomness beacons require small blocks of certified random bits on demand. Device-independent quantum random number generators can produce such random bits, but existing quantum-proof protocols and loophole-free implementations suffer from high latency, requiring many hours to produce any random bits. We demonstrate device-independent quantum randomness generation from a loophole-free Bell test with a more efficient quantum-proof protocol, obtaining multiple blocks of 512 random bits with an average experiment time of less than 5 min per block and with a certified error bounded by 2-64≈5.42×10-20.

Original language	English
Article number	010505
Journal	Physical Review Letters
Volume	124
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevLett.124.010505
State	Published - Jan 7 2020
Externally published	Yes

Funding

The work is supported by the National Science Foundation RAISE-TAQS (Grant No. 1839223); the European Research Council (ERC) projects AQUMET (280169), ERIDIAN (713682); European Union projects QUIC (Grant Agreement no. 641122) and FET Innovation Launchpad UVALITH (800901); the Spanish MINECO projects OCARINA (Grant No. PGC2018-097056-B-I00) and Q-CLOCKS (PCI2018-092973), the Severo Ochoa programme (SEV-2015-0522); Agència de Gestió d’Ajuts Universitaris i de Recerca (AGAUR) project (2017-SGR-1354); Fundació Privada Cellex and Generalitat de Catalunya (CERCA program); Quantum Technology Flagship projects MACQSIMAL (820393) and QRANGE (820405); Marie Skłodowska-Curie ITN ZULF-NMR (766402); European Association of National Metrology Institutes (EURAMET) EMPIR project USOQS (17FUN03). Contributions to this article by workers at NIST, an agency of the U.S. Government, are not subject to U.S. copyright.

Funders	Funder number
ERIDIAN
Fundació Privada Cellex and Generalitat de Catalunya
Marie Skłodowska-Curie
QRANGE
Quantum Technology Flagship projects MACQSIMAL	820393
National Science Foundation
Horizon 2020 Framework Programme	713682, 766402, 280169, 820405, 641122, 1839223
H2020 Future and Emerging Technologies	800901
European Association of National Metrology Institutes	17FUN03
European Commission
European Research Council
Agència de Gestió d'Ajuts Universitaris i de Recerca	2017-SGR-1354
Ministerio de Economía y Competitividad	SEV-2015-0522, PCI2018-092973, PGC2018-097056-B-I00

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10.1103/PhysRevLett.124.010505

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abstract = "Applications of randomness such as private key generation and public randomness beacons require small blocks of certified random bits on demand. Device-independent quantum random number generators can produce such random bits, but existing quantum-proof protocols and loophole-free implementations suffer from high latency, requiring many hours to produce any random bits. We demonstrate device-independent quantum randomness generation from a loophole-free Bell test with a more efficient quantum-proof protocol, obtaining multiple blocks of 512 random bits with an average experiment time of less than 5 min per block and with a certified error bounded by 2-64≈5.42×10-20.",

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Experimental Low-Latency Device-Independent Quantum Randomness

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