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Proceedings Paper

Device-independent randomness extraction for arbitrarily weak min-entropy source
Author(s): Jan Bouda; Marcin Pawłowski; Matej Pivoluska; Martin Plesch
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Paper Abstract

In this paper we design a protocol to extract random bits with an arbitrarily low bias from a single arbitrarily weak min-entropy block source in a device independent setting. The protocol employs Mermin devices that exhibit super-classical correlations. Number of devices used scales polynomially in the length of the block n, containing entropy of at least two bits. Our protocol is robust, it can tolerate devices that malfunction with a probability dropping polynomially in n at the cost of constant increase of the number of devices used.

Paper Details

Date Published: 13 October 2014
PDF: 6 pages
Proc. SPIE 9254, Emerging Technologies in Security and Defence II; and Quantum-Physics-based Information Security III, 92540K (13 October 2014); doi: 10.1117/12.2071568
Show Author Affiliations
Jan Bouda, Masaryk Univ. (Czech Republic)
Univ. Autónoma de Barcelona (Spain)
Lepanto Institute for Quantum Information and Decoherence (Spain)
Marcin Pawłowski, Univ. Gdański (Poland)
Univ. of Bristol (United Kingdom)
Matej Pivoluska, Univ. Autónoma de Barcelona (Spain)
Martin Plesch, Univ. Autónoma de Barcelona (Spain)
Institute of Physics (Slovakia)


Published in SPIE Proceedings Vol. 9254:
Emerging Technologies in Security and Defence II; and Quantum-Physics-based Information Security III
Keith L. Lewis; Mark T. Gruneisen; Miloslav Dusek; Richard C. Hollins; Thomas J. Merlet; John G. Rarity; Alexander Toet, Editor(s)

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