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Article: Experimental measurement-device-independent quantum key distribution with imperfect sources
Title | Experimental measurement-device-independent quantum key distribution with imperfect sources |
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Authors | |
Issue Date | 2016 |
Citation | Physical Review A, 2016, v. 93, n. 4, article no. 042308 How to Cite? |
Abstract | © 2016 American Physical Society. Measurement-device-independent quantum key distribution (MDI-QKD), which is immune to all detector side-channel attacks, is the most promising solution to the security issues in practical quantum key distribution systems. Although several experimental demonstrations of MDI-QKD have been reported, they all make one crucial but not yet verified assumption, that is, there are no flaws in state preparation. Such an assumption is unrealistic and security loopholes remain in the source. Here we present a MDI-QKD experiment with the modulation error taken into consideration. By applying the loss-tolerant security proof by Tamaki [Phys. Rev. A 90, 052314 (2014)]PLRAAN1050-294710.1103/PhysRevA.90.052314, we distribute secure keys over fiber links up to 40 km with imperfect sources, which would not have been possible under previous security proofs. By simultaneously closing loopholes at the detectors and a critical loophole - modulation error in the source, our work shows the feasibility of secure QKD with practical imperfect devices. |
Description | Accepted manuscript is available on the publisher website. |
Persistent Identifier | http://hdl.handle.net/10722/285767 |
ISSN | 2023 Impact Factor: 2.6 2023 SCImago Journal Rankings: 1.081 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Tang, Zhiyuan | - |
dc.contributor.author | Wei, Kejin | - |
dc.contributor.author | Bedroya, Olinka | - |
dc.contributor.author | Qian, Li | - |
dc.contributor.author | Lo, Hoi Kwong | - |
dc.date.accessioned | 2020-08-18T04:56:35Z | - |
dc.date.available | 2020-08-18T04:56:35Z | - |
dc.date.issued | 2016 | - |
dc.identifier.citation | Physical Review A, 2016, v. 93, n. 4, article no. 042308 | - |
dc.identifier.issn | 2469-9926 | - |
dc.identifier.uri | http://hdl.handle.net/10722/285767 | - |
dc.description | Accepted manuscript is available on the publisher website. | - |
dc.description.abstract | © 2016 American Physical Society. Measurement-device-independent quantum key distribution (MDI-QKD), which is immune to all detector side-channel attacks, is the most promising solution to the security issues in practical quantum key distribution systems. Although several experimental demonstrations of MDI-QKD have been reported, they all make one crucial but not yet verified assumption, that is, there are no flaws in state preparation. Such an assumption is unrealistic and security loopholes remain in the source. Here we present a MDI-QKD experiment with the modulation error taken into consideration. By applying the loss-tolerant security proof by Tamaki [Phys. Rev. A 90, 052314 (2014)]PLRAAN1050-294710.1103/PhysRevA.90.052314, we distribute secure keys over fiber links up to 40 km with imperfect sources, which would not have been possible under previous security proofs. By simultaneously closing loopholes at the detectors and a critical loophole - modulation error in the source, our work shows the feasibility of secure QKD with practical imperfect devices. | - |
dc.language | eng | - |
dc.relation.ispartof | Physical Review A | - |
dc.title | Experimental measurement-device-independent quantum key distribution with imperfect sources | - |
dc.type | Article | - |
dc.description.nature | link_to_OA_fulltext | - |
dc.identifier.doi | 10.1103/PhysRevA.93.042308 | - |
dc.identifier.scopus | eid_2-s2.0-84963704144 | - |
dc.identifier.volume | 93 | - |
dc.identifier.issue | 4 | - |
dc.identifier.spage | article no. 042308 | - |
dc.identifier.epage | article no. 042308 | - |
dc.identifier.eissn | 2469-9934 | - |
dc.identifier.isi | WOS:000373514900001 | - |
dc.identifier.issnl | 2469-9926 | - |