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Title: Detector-device-independent quantum key distribution: Security analysis and fast implementation

Abstract

One of the most pressing issues in quantum key distribution (QKD) is the problem of detector side-channel attacks. To overcome this problem, researchers proposed an elegant “time-reversal” QKD protocol called measurement-device-independent QKD (MDI-QKD), which is based on time-reversed entanglement swapping. But, MDI-QKD is more challenging to implement than standard point-to-point QKD. Recently, we proposed an intermediary QKD protocol called detector-device-independent QKD (DDI-QKD) in order to overcome the drawbacks of MDI-QKD, with the hope that it would eventually lead to a more efficient detector side-channel-free QKD system. We analyze the security of DDI-QKD and elucidate its security assumptions. We find that DDI-QKD is not equivalent to MDI-QKD, but its security can be demonstrated with reasonable assumptions. On the more practical side, we consider the feasibility of DDI-QKD and present a fast experimental demonstration (clocked at 625 MHz), capable of secret key exchange up to more than 90 km.

Authors:
 [1]; ORCiD logo [1];  [2];  [1];  [3];  [1];  [1]
  1. Univ. of Geneva (Switzerland)
  2. Univ. of Geneva (Switzerland); ID Quantique, SA, Carouge, Geneva (Swizterland)
  3. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1295142
Alternate Identifier(s):
OSTI ID: 1420631
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Journal of Applied Physics
Additional Journal Information:
Journal Volume: 120; Journal Issue: 6; Journal ID: ISSN 0021-8979
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION

Citation Formats

Boaron, Alberto, Korzh, Boris, Houlmann, Raphael, Boso, Gianluca, Lim, Charles Ci Wen, Martin, Anthony, and Zbinden, Hugo. Detector-device-independent quantum key distribution: Security analysis and fast implementation. United States: N. p., 2016. Web. doi:10.1063/1.4960093.
Boaron, Alberto, Korzh, Boris, Houlmann, Raphael, Boso, Gianluca, Lim, Charles Ci Wen, Martin, Anthony, & Zbinden, Hugo. Detector-device-independent quantum key distribution: Security analysis and fast implementation. United States. doi:10.1063/1.4960093.
Boaron, Alberto, Korzh, Boris, Houlmann, Raphael, Boso, Gianluca, Lim, Charles Ci Wen, Martin, Anthony, and Zbinden, Hugo. Tue . "Detector-device-independent quantum key distribution: Security analysis and fast implementation". United States. doi:10.1063/1.4960093. https://www.osti.gov/servlets/purl/1295142.
@article{osti_1295142,
title = {Detector-device-independent quantum key distribution: Security analysis and fast implementation},
author = {Boaron, Alberto and Korzh, Boris and Houlmann, Raphael and Boso, Gianluca and Lim, Charles Ci Wen and Martin, Anthony and Zbinden, Hugo},
abstractNote = {One of the most pressing issues in quantum key distribution (QKD) is the problem of detector side-channel attacks. To overcome this problem, researchers proposed an elegant “time-reversal” QKD protocol called measurement-device-independent QKD (MDI-QKD), which is based on time-reversed entanglement swapping. But, MDI-QKD is more challenging to implement than standard point-to-point QKD. Recently, we proposed an intermediary QKD protocol called detector-device-independent QKD (DDI-QKD) in order to overcome the drawbacks of MDI-QKD, with the hope that it would eventually lead to a more efficient detector side-channel-free QKD system. We analyze the security of DDI-QKD and elucidate its security assumptions. We find that DDI-QKD is not equivalent to MDI-QKD, but its security can be demonstrated with reasonable assumptions. On the more practical side, we consider the feasibility of DDI-QKD and present a fast experimental demonstration (clocked at 625 MHz), capable of secret key exchange up to more than 90 km.},
doi = {10.1063/1.4960093},
journal = {Journal of Applied Physics},
number = 6,
volume = 120,
place = {United States},
year = {Tue Aug 09 00:00:00 EDT 2016},
month = {Tue Aug 09 00:00:00 EDT 2016}
}

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