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Quantum key distribution with single-particle and Bell state
Optical and Quantum Electronics ( IF 3.3 ) Pub Date : 2020-07-01 , DOI: 10.1007/s11082-020-02451-0
Huawang Qin , Hao Xu , Wallace K. S. Tang

A quantum key distribution protocol with single-particle and Bell state is proposed, in which one player Alice sends the states from some special single-particles and Bell states, the other player Bob measures these states in the single-particle basis or Bell basis, and then establish their secret key. Through combining the single-particle and Bell state novelly, the error rate of eavesdropping in our protocol can be increased up to $$ \frac{3}{8} $$ 3 8 . Compared to BB84, our protocol can get higher secure key rate in practice.

中文翻译:

具有单粒子和贝尔态的量子密钥分布

提出了一种具有单粒子和贝尔态的量子密钥分发协议,其中一个参与者 Alice 发送一些特殊的单粒子和贝尔态的状态,另一个参与者 Bob 在单粒子基或贝尔基中测量这些状态,然后建立他们的秘密密钥。通过新颖地结合单粒子和贝尔状态,我们协议中的窃听错误率可以增加到$$ \frac{3}{8} $$ 3 8 。与BB84相比,我们的协议在实践中可以获得更高的安全密钥率。
更新日期:2020-07-01
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