| Increasing the Efficiencies of Random-Choice-Based Quantum Communication Protocols with Delayed Measurement |
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| 作者姓名： | 邓富国 龙桂鲁 汪燕 肖丽 |
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| 作者单位： | [1]CentreforOuantumInformationandDepartmentofPhysics,TsinghuaUniversity,Beijing100084 [2]KeyLaboratoryofBeamTechnologyandMaterialsModificationofMOE,andInstituteofLowEnergyNuclearPhysics,BeijingNormalUniversity,Beijing100875 |
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| 摘 要： | The security of quantum communications lies in the capability of the legitimate parties to detect eavesdropping.Here we propose to use delayed measurement to increase the efficiency of protocols of quantum key distribution and quantum secret sharing that uses a random choice of measuring-basis. In addition to a higher efficiency,these measures also bring the benefit of much reduced amount of classical communications.
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| 关 键 词： | 量子密码 延时处理 量子钥分布 QKD QSS |
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