| Experimental Quantum Key Distribution over 14.8 km in a Special Optical Fibre |
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| 作者姓名： | GUIYou-Zhen HANZheng-Fu MOXiao-Fan GUOGuang-Can |
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| 作者单位： | KeyLaboratoryofQuantumInformaiton,UniversityofScienceandTechnologyofChina,ChineseAcademyofSciences,Hefei230026 |
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| 摘 要： | We present an experimental set-up for quantum key distribution in special optical fibre at the wavelength of 850nm.The system employs the BB84 protocol to establish a secret key between Alice and Bob over 14.8km.The kdy is encoded in the phase of very weak laser of average photon number0.11 per pulse.The measured error rate is lower than 10%.
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| 关 键 词： | 光学纤维 量子通信 编码 量子传输 光脉冲 激光传输 |
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