Device-independent quantum key distribution with random key basis

René Schwonnek; Koon Tong Goh; Ignatius W. Primaatmaja; Ernest Y.-Z. Tan; Ramona Wolf; Valerio Scarani; Charles C.-W. Lim

doi:10.1038/s41467-021-23147-3

Nature Communications (May 2021)

Device-independent quantum key distribution with random key basis

René Schwonnek,
Koon Tong Goh,
Ignatius W. Primaatmaja,
Ernest Y.-Z. Tan,
Ramona Wolf,
Valerio Scarani,
Charles C.-W. Lim

Affiliations

René Schwonnek: Department of Electrical & Computer Engineering, National University of Singapore
Koon Tong Goh: Department of Electrical & Computer Engineering, National University of Singapore
Ignatius W. Primaatmaja: Centre for Quantum Technologies, National University of Singapore
Ernest Y.-Z. Tan: Institute for Theoretical Physics, ETH Zürich
Ramona Wolf: Institut für Theoretische Physik, Leibniz Universität Hannover
Valerio Scarani: Centre for Quantum Technologies, National University of Singapore
Charles C.-W. Lim: Department of Electrical & Computer Engineering, National University of Singapore

DOI: https://doi.org/10.1038/s41467-021-23147-3
Journal volume & issue: Vol. 12, no. 1
pp. 1 – 8

Abstract

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Device-independent quantum key distribution aims at the ultimate quantum-based unconditional security, but current protocols’ rates are quite far from anything practical. The authors’ protocol narrows this gap by using two randomly chosen key generating bases instead of one.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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