Noise-Resistant Device-Independent Certification of Bell State Measurements

Jean-Daniel Bancal, Nicolas Sangouard, and Pavel Sekatski
Phys. Rev. Lett. 121, 250506 – Published 21 December 2018
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Abstract

Device-independent certification refers to the characterization of an apparatus without reference to the internal description of other devices. It is a trustworthy certification method, free of assumption on the underlying Hilbert space dimension and on calibration methods. We show how it can be used to quantify the quality of a Bell-state measurement, whether deterministic, partial, or probabilistic. Our certification is noise resistant and opens the way towards the device-independent self-testing of Bell-state measurements in existing experiments.

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  • Received 17 July 2018

DOI:https://doi.org/10.1103/PhysRevLett.121.250506

© 2018 American Physical Society

Physics Subject Headings (PhySH)

Quantum Information, Science & Technology

Authors & Affiliations

Jean-Daniel Bancal, Nicolas Sangouard, and Pavel Sekatski

  • Quantum Optics Theory Group, Universität Basel, Klingelbergstrasse 82, CH-4056 Basel, Switzerland

See Also

Self-Testing Entangled Measurements in Quantum Networks

Marc Olivier Renou, Jędrzej Kaniewski, and Nicolas Brunner
Phys. Rev. Lett. 121, 250507 (2018)

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Issue

Vol. 121, Iss. 25 — 21 December 2018

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