Laser & Optoelectronics Progress, Volume. 58, Issue 7, 0727004(2021)
Security Analysis of Three-State Continuous Variable Quantum Key Distribution Protocol Based on Discrete Modulation
At present, the continuous-variable quantum key distribution (CV-QKD) protocol based on discrete modulation has received more attention. In this paper, we propose a three-state CV-QKD protocol based on post-selection. The security key rate of the proposed protocol is calculated under collective attack and reverse reconciliation and compared with that of the four-state protocol. The simulation results show that the proposed three-state protocol can outperform the four-state protocol in security rate if the transmission distance is not too long, indicating that the three-state protocol is more feasible for a short-range application, such as metropolitan area networks.
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Youdong Sun, Yongxin Xing, Tianyi Wang. Security Analysis of Three-State Continuous Variable Quantum Key Distribution Protocol Based on Discrete Modulation[J]. Laser & Optoelectronics Progress, 2021, 58(7): 0727004
Category: Quantum Optics
Received: Aug. 7, 2020
Accepted: Sep. 23, 2020
Published Online: Apr. 25, 2021
The Author Email: Wang Tianyi (tywang@gzu.edu.cn)