TY - JOUR
T1 - Plug-and-play measurement-device-independent quantum key distribution
AU - Choi, Yujun
AU - Kwon, Osung
AU - Woo, Minki
AU - Oh, Kyunghwan
AU - Han, Sang Wook
AU - Kim, Yong Su
AU - Moon, Sung
N1 - Publisher Copyright:
© 2016 American Physical Society.
Copyright:
Copyright 2017 Elsevier B.V., All rights reserved.
PY - 2016/3/14
Y1 - 2016/3/14
N2 - Quantum key distribution (QKD) guarantees unconditional communication security based on the laws of quantum physics. However, practical QKD suffers from a number of quantum hackings due to the device imperfections. From the security standpoint, measurement-device-independent quantum key distribution (MDI-QKD) is in the limelight since it eliminates all the possible loopholes in detection. Due to active control units for mode matching between the photons from remote parties, however, the implementation of MDI-QKD is highly impractical. In this paper, we propose a method to resolve the mode matching problem while minimizing the use of active control units. By introducing the plug-and-play (P&P) concept into MDI-QKD, the indistinguishability in spectral and polarization modes between photons can naturally be guaranteed. We show the feasibility of P&P MDI-QKD with a proof-of-principle experiment.
AB - Quantum key distribution (QKD) guarantees unconditional communication security based on the laws of quantum physics. However, practical QKD suffers from a number of quantum hackings due to the device imperfections. From the security standpoint, measurement-device-independent quantum key distribution (MDI-QKD) is in the limelight since it eliminates all the possible loopholes in detection. Due to active control units for mode matching between the photons from remote parties, however, the implementation of MDI-QKD is highly impractical. In this paper, we propose a method to resolve the mode matching problem while minimizing the use of active control units. By introducing the plug-and-play (P&P) concept into MDI-QKD, the indistinguishability in spectral and polarization modes between photons can naturally be guaranteed. We show the feasibility of P&P MDI-QKD with a proof-of-principle experiment.
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U2 - 10.1103/PhysRevA.93.032319
DO - 10.1103/PhysRevA.93.032319
M3 - Article
AN - SCOPUS:84961838397
VL - 93
JO - Physical Review A - Atomic, Molecular, and Optical Physics
JF - Physical Review A - Atomic, Molecular, and Optical Physics
SN - 1050-2947
IS - 3
M1 - 032319
ER -