Experimental symmetric private information retrieval with measurement-device-independent quantum network

Chao Wang; Wen Yu Kon; Hong Jie Ng; Charles C.-W. Lim

doi:10.1038/s41377-022-00959-6

Light: Science & Applications (Sep 2022)

Experimental symmetric private information retrieval with measurement-device-independent quantum network

Chao Wang,
Wen Yu Kon,
Hong Jie Ng,
Charles C.-W. Lim

Affiliations

Chao Wang: Department of Electrical & Computer Engineering, National University of Singapore
Wen Yu Kon: Department of Electrical & Computer Engineering, National University of Singapore
Hong Jie Ng: Department of Electrical & Computer Engineering, National University of Singapore
Charles C.-W. Lim: Department of Electrical & Computer Engineering, National University of Singapore

DOI: https://doi.org/10.1038/s41377-022-00959-6
Journal volume & issue: Vol. 11, no. 1
pp. 1 – 7

Abstract

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We realised a provably-secure symmetric private information retrieval supported by a quantum-secure key-exchange network. Our demonstration achieves secure retrieval of 582-byte fingerprint files from a database with 800 entries.

Published in Light: Science & Applications

ISSN: 2047-7538 (Online)
Publisher: Nature Publishing Group
Country of publisher: United Kingdom
LCC subjects: Technology: Engineering (General). Civil engineering (General): Applied optics. Photonics; Science: Physics: Optics. Light
Website: https://www.nature.com/lsa/

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