Research on new device independent quantum key distribution protocol

Abstract

Abstract: Device-independent quantum key distribution protocol is one of the most important research directions in the field of quantum information theory in recent years. The security of this kind of protocols is not based on the perfect state preparation and measurement, thus it can be applied to avoid the blinding attack from intense light and the wavelength attack, which leads to higher security. Device-independent quantum key distribution protocols are based on the Bell inequality, and the classical value violation can be used to guarantee the security. Based on α−CHSH inequality, the security of device-independent quantum key distribution protocols is investigated in the bit flipped channel model, and the relationship between the final secret key rate with the violation value of α−CHSH inequality is given.

Key words: quantum communication, device independent, quantum key distribution, security, protocol;
inequality

CLC Number:

TN915.04

YE Meng, XU Likun, HUANG Guanjin, LI Jianhui, LIU Yun∗. Research on new device independent quantum key distribution protocol[J]. Chinese Journal of Quantum Electronics, 2021, 38(1): 45-49.

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