Quantum Key Generation(QKG) Rate of Decoy State Quantum Key Distribution with Heralded Single-photon Source value of the reply paid voucher 预报单光子源诱骗态量子密钥产生率及数值计算
Especially in the quantum key distribution system, near-infrared single photon detector in the communication wavelength window have a great effect on the communication distance, quantum key generation rates and quantum bits error rates of the system. 尤其是在量子密钥分布系统中,工作于通信波段的近红外单光子探测器对系统的通信距离、量子密钥生成(QKG)速率和量子比特误码率等有重要影响。
Detecting technology is one of the most important technologies in quantum key distribution system, and has great influence on key generation rate. 探测技术也是量子密钥分发系统的关键技术之一,对量子密钥生成(QKG)率也有很大的影响。
In quantum key distribution systems, error reconciliation algorithm used in post-processing procedures has great influence on the key generation rate. 量子密钥分发系统中,原始密钥后期处理过程中所采用的纠错算法对密钥生成率有很大的影响。
Simulation results indicate that QKD using HSPS can transmit longer distance than using WCP with lower overall quantum bit error rate ( QBER ) at the same transmission distance, while with relatively low key generation rate. 仿真结果表明:HSPS在传输距离上要优于WCP,对应相同传输距离时系统量子误码率(QBER)要小些,但相对密钥生成率低。