Research on the upper bound of collective attack in E91-QKD

JIA Wei; ZHANG Qiangqiang; BIAN Yuxiang; LI Wei

doi:10.3969/j.issn.1007-5461.2023.03.013

Journals >Chinese Journal of Quantum Electronics >Volume 40 >Issue 3 >Page 407 > Article

Chinese Journal of Quantum Electronics
Vol. 40, Issue 3, 407 (2023)

Research on the upper bound of collective attack in E91-QKD

JIA Wei¹, ZHANG Qiangqiang¹, BIAN Yuxiang¹, and LI Wei^2,*

Author Affiliations

¹NRGD Quantum Technology Co., Ltd., Nanjing 211006, China

²College of Communication and Information Engineering, Nanjing University of Posts and Telecommunications,Nanjing 210003, China

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DOI: 10.3969/j.issn.1007-5461.2023.03.013 Cite this Article

Wei JIA, Qiangqiang ZHANG, Yuxiang BIAN, Wei LI. Research on the upper bound of collective attack in E91-QKD[J]. Chinese Journal of Quantum Electronics, 2023, 40(3): 407 Copy Citation Text

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Fig. 1. Schematic diagram of collective attack in E91-QKD

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Fig. 2. Schematic diagram of bipartite coupling. (a) Bipartite phase coupling; (b) Bipartite energy level transfer coupling

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Fig. 3. Simulation of

χ_{E; A}

with respect to

〈p| q〉

and

〈r| s〉

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Fig. 4. Comparison of the key rate for the security proofs of E91-QKD based on collective attack and entanglement purification protocol

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Wei JIA, Qiangqiang ZHANG, Yuxiang BIAN, Wei LI. Research on the upper bound of collective attack in E91-QKD[J]. Chinese Journal of Quantum Electronics, 2023, 40(3): 407

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