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Efficient quantum private queries based on quantum key distribution with pulse-position modulation

journal contribution
posted on 2019-01-01, 00:00 authored by Hong Lai, Mingxing Luo, Yongjian Xu, Josef Pieprzyk, Lei PanLei Pan, Jun Zhang, Mehmet A Orgun
Up to now, there are only a few studies on the application of pulse position modulation (PPM) and orbital angular momentum (OAM) in measurement-device-independent (MDI) quantum private queries (QPQ) protocols. Given this, we design a QPQ protocol based on PPM-OAM and MDI-QKD (quantum key distribution), i.e. PPM-OAM-MDI-QPQ protocol, which avoids the dependence of the basis besides inheriting the advantages of MDI-QPQ. Our PPM-OAM-MDI-QPQ protocol can achieve longer-distance QPQ and speed up private queries. Moreover, our PPM-OAM-MDI-QPQ protocol can eliminate the basis-dependent flaw and demonstrate a useful technique for high-rate satellite-based QPQ. Meanwhile, our protocol applies quantum memory to achieve the function of a quantum repeater, achieving much longer-distance QPQ.

History

Journal

Laser physics

Volume

29

Issue

5

Season

055201

Pagination

1 - 7

Publisher

IOP Publishing

Location

Bristol, Eng.

ISSN

1054-660X

eISSN

1555-6611

Language

English

Publication classification

C1 Refereed article in a scholarly journal

Copyright notice

2019, Astro Ltd

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