| 基于半波片的偏振跟踪理论分析 |
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| 引用本文： | 马晶,张光宇,戎亦文,谭立英.基于半波片的偏振跟踪理论分析[J].物理学报,2006,55(1):24-28. |
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| 作者姓名： | 马晶 张光宇 戎亦文 谭立英 |
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| 作者单位： | (1)哈尔滨工业大学可调谐激光技术国家级重点实验室，哈尔滨 150001; (2)哈尔滨工业大学可调谐激光技术国家级重点实验室，哈尔滨 150001;哈尔滨理工大学应用科学学院，哈尔滨 150080 |
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| 摘 要： | 分析了卫星量子密钥分配中采用半波片进行偏振跟踪的原理，通过旋转半波片实现对偏振“零”方向的跟踪.针对BB84协议和B92协议，给出了三组共轭基六个光子偏振态的变换关系式，分析了基于偏振跟踪的量子密钥编码原理.
关键词：
量子密钥分配
偏振跟踪
半波片
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| 关 键 词： | 量子密钥分配 偏振跟踪 半波片 |
| 文章编号： | 1000-3290/2006/55(01)/0024-05 |
| 收稿时间： | 03 18 2005 12:00AM |
| 修稿时间： | 6/8/2005 12:00:00 AM |
Theoretical analysis of polarization tracking based on half-wave plate |
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| Ma Jing,Zhang Guang-Yu,Rong Yi-Wen,Tan Li-Ying.Theoretical analysis of polarization tracking based on half-wave plate[J].Acta Physica Sinica,2006,55(1):24-28. |
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| Authors: | Ma Jing Zhang Guang-Yu Rong Yi-Wen Tan Li-Ying |
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| Institution: | 1 National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001, China; 2 College of Applied Sciences, Harbin University of Science and Technology, Harbin 150080, China |
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| Abstract: | The polarization tracking principle is analyzed by using a half-wave plate in satellite quantum key distribution and the polarization “zero” direction can be corrected by rotation of the half-wave plate. The transforms of six photon polarization states in three conjugative bases are given and the quantum key coding principle based on the polarization tracking is analyzed for the BB84 protocol and B92 protocol. |
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| Keywords: | quantum key distribution polarization tracking half-wave plate |
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