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《Communications in Theoretical Physics》 2017年08期
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Key Rate of Practical Quantum Communication Network

黄娜  焦荣珍  
【摘要】:The security properties of quantum key distribution(QKD) system are analyzed with the practical light source using decoy state method. The secure key rate with the change of transmission distance is computed under the condition of ideal system, infinite light source system, untrusted light source and passive system. The influence of the fluctuation of transmission rate on the security characteristics of the system is discussed. Our numerical simulation results offer a useful reference for the practical QKD experiment.

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