| 强度涨落下标记配对相干态光源诱骗态量子密钥分配 |
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| 引用本文： | 周淳,鲍皖苏,付向群.强度涨落下标记配对相干态光源诱骗态量子密钥分配[J].中国科学：信息科学,2011(9):1136-1145. |
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| 作者姓名： | 周淳 鲍皖苏 付向群 |
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| 作者单位： | 解放军信息工程大学电子技术学院; |
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| 摘 要： | 本文刻画了标记配对相干态光源(HPCS光源)光子数分布的两条性质,基于三强度诱骗态编码方案,证明了HPCS光源满足强度涨落下量子密钥分配最终密钥生成率表达式的条件.数值模拟表明,HPCS光源的三强度诱骗态编码方案与理想方案(无穷诱骗态)的接近程度较高,该光源对强度涨落的稳定性要好于弱相干态光源,但明显比标记单光子源要弱...
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| 关 键 词： | 量子密钥分配 诱骗态 标记配对相干态光源 强度涨落 |
Decoy-state quantum key distribution for the heralded pair coherent state photon source with intensity fluctuations |
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| ZHOU Chun,BAO WanSu & FU XiangQun Institute of Electronic Technology,The PLA Information Engineering University,Zhengzhou ,China.Decoy-state quantum key distribution for the heralded pair coherent state photon source with intensity fluctuations[J].Scientia Sinica Informationis,2011(9):1136-1145. |
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| Authors: | ZHOU Chun BAO WanSu & FU XiangQun Institute of Electronic Technology The PLA Information Engineering University Zhengzhou China |
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| Affiliation: | ZHOU Chun,BAO WanSu & FU XiangQun Institute of Electronic Technology,The PLA Information Engineering University,Zhengzhou 450004,China |
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| Abstract: | This paper characterizes two important properties of the photon number distribution of the heralded pair coherent state(HPCS) photon source.The formula of secret key generation rates for the decoy-state quantum key distribution with intensity ?uctuation source is proved to hold true for the HPCS photon source.By numerical simulations,we show that the three-intensity decoy-state protocols for the HPCS photon source is effciently getting close to the ideal decoy-state method.Moreover,we find that the HPCS sou... |
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| Keywords: | quantum key distribution decoy states heralded pair coherent state intensity ?uctuations |
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