中国物理B ›› 2022, Vol. 31 ›› Issue (12): 120303-120303.doi: 10.1088/1674-1056/ac8f37

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Measurement-device-independent one-step quantum secure direct communication

Jia-Wei Ying(应佳伟)1,2, Lan Zhou(周澜)3, Wei Zhong(钟伟)2, and Yu-Bo Sheng(盛宇波)1,2,†   

  1. 1 College of Electronic and Optical Engineering&College of Flexible Electronics(Future Technology), Nanjing University of Posts and Telecommunications, Nanjing 210023, China;
    2 Institute of Quantum Information and Technology, Nanjing University of Posts and Telecommunications, Nanjing 210003, China;
    3 College of Science, Nanjing University of Posts and Telecommunications, Nanjing 210023, China
  • 收稿日期:2022-06-02 修回日期:2022-07-21 接受日期:2022-09-05 出版日期:2022-11-11 发布日期:2022-11-11
  • 通讯作者: Yu-Bo Sheng E-mail:shengyb@njupt.edu.cn
  • 基金资助:
    Project supported by the National Natural Science Foundation of China (Grant Nos. 11974189 and 12175106), the Natural Science Foundation of the Jiangsu Higher Education Institutions of China (Grant No. 20KJB140001), and the Postgraduate Research & Practice Innovation Program of Jiangsu Province, China (Grand No. KYCX22-0963).

Measurement-device-independent one-step quantum secure direct communication

Jia-Wei Ying(应佳伟)1,2, Lan Zhou(周澜)3, Wei Zhong(钟伟)2, and Yu-Bo Sheng(盛宇波)1,2,†   

  1. 1 College of Electronic and Optical Engineering&College of Flexible Electronics(Future Technology), Nanjing University of Posts and Telecommunications, Nanjing 210023, China;
    2 Institute of Quantum Information and Technology, Nanjing University of Posts and Telecommunications, Nanjing 210003, China;
    3 College of Science, Nanjing University of Posts and Telecommunications, Nanjing 210023, China
  • Received:2022-06-02 Revised:2022-07-21 Accepted:2022-09-05 Online:2022-11-11 Published:2022-11-11
  • Contact: Yu-Bo Sheng E-mail:shengyb@njupt.edu.cn
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Grant Nos. 11974189 and 12175106), the Natural Science Foundation of the Jiangsu Higher Education Institutions of China (Grant No. 20KJB140001), and the Postgraduate Research & Practice Innovation Program of Jiangsu Province, China (Grand No. KYCX22-0963).

摘要: The one-step quantum secure direct communication (QSDC) (Sci. Bull. 67, 367 (2022)) can effectively simplify QSDC's operation and reduce message loss. For enhancing its security under practical experimental condition, we propose two measurement-device-independent (MDI) one-step QSDC protocols, which can resist all possible attacks from imperfect measurement devices. In both protocols, the communication parties prepare identical polarization-spatial-mode two-photon hyperentangled states and construct the hyperentanglement channel by hyperentanglement swapping. The first MDI one-step QSDC protocol adopts the nonlinear-optical complete hyperentanglement Bell state measurement (HBSM) to construct the hyperentanglement channel, while the second protocol adopts the linear-optical partial HBSM. Then, the parties encode the photons in the polarization degree of freedom and send them to the third party for the hyperentanglement-assisted complete polarization Bell state measurement. Both protocols are unconditionally secure in theory. The simulation results show the MDI one-step QSDC protocol with complete HBSM attains the maximal communication distance of about 354 km. Our MDI one-step QSDC protocols may have potential applications in the future quantum secure communication field.

关键词: measurement-device-independent, one-step quantum secure direct communication, hyperentanglement Bell state measurement, hyperentanglement-assisted complete polarization Bell state measurement

Abstract: The one-step quantum secure direct communication (QSDC) (Sci. Bull. 67, 367 (2022)) can effectively simplify QSDC's operation and reduce message loss. For enhancing its security under practical experimental condition, we propose two measurement-device-independent (MDI) one-step QSDC protocols, which can resist all possible attacks from imperfect measurement devices. In both protocols, the communication parties prepare identical polarization-spatial-mode two-photon hyperentangled states and construct the hyperentanglement channel by hyperentanglement swapping. The first MDI one-step QSDC protocol adopts the nonlinear-optical complete hyperentanglement Bell state measurement (HBSM) to construct the hyperentanglement channel, while the second protocol adopts the linear-optical partial HBSM. Then, the parties encode the photons in the polarization degree of freedom and send them to the third party for the hyperentanglement-assisted complete polarization Bell state measurement. Both protocols are unconditionally secure in theory. The simulation results show the MDI one-step QSDC protocol with complete HBSM attains the maximal communication distance of about 354 km. Our MDI one-step QSDC protocols may have potential applications in the future quantum secure communication field.

Key words: measurement-device-independent, one-step quantum secure direct communication, hyperentanglement Bell state measurement, hyperentanglement-assisted complete polarization Bell state measurement

中图分类号:  (Quantum error correction and other methods for protection against decoherence)

  • 03.67.Pp
03.67.Hk (Quantum communication) 03.65.Ud (Entanglement and quantum nonlocality)