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| 基于厄米-高斯光束的单光子捕获理论研究 | |
| 引用本文： | 张光宇,马晶,谭立英.基于厄米-高斯光束的单光子捕获理论研究[J].光子学报,2005,34(8):1201-1204. |
| 作者姓名： | 张光宇 马晶 谭立英 |
| 作者单位： | 1. 哈尔滨工业大学可调谐激光技术国家重点实验室,哈尔滨,150001;哈尔滨理工大学应用科学学院,哈尔滨,150080 2. 哈尔滨工业大学可调谐激光技术国家重点实验室,哈尔滨,150001 |
| 摘 要： | 从光波电磁场方程的TEM10和TEM01模厄米-高斯光束出发，推导了自由空间量子密钥分配的单光子捕获概率表达式.针对低轨卫星-地面站间激光链路，进行了单光子捕获分析.理论研究表明，对于低轨卫星-地面站间量子密钥分配，采用TEM10和TEM01模厄米-高斯型高度衰减激光脉冲作为单光子源是可行的. |
| 关 键 词： | 量子密钥分配 单光子捕获概率 厄米-高斯光束 |
| 收稿时间： | 2004-06-25 |
| 修稿时间： | 2004年6月25日 |
Theoretical Study of Single-photon Acquisition Based on Hermite-Gaussian Beams |
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| ZHANG Guangyu,Ma Jing,Tan Liying.Theoretical Study of Single-photon Acquisition Based on Hermite-Gaussian Beams[J].Acta Photonica Sinica,2005,34(8):1201-1204. | |
| Authors: | ZHANG Guangyu Ma Jing Tan Liying |
| Institution: | (1 National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001) (2 College of Applied Sciences, Harbin University of Science and Technology, Harbin 150080) |
| Abstract: | Single-photon acquisition probability is deduced from TEM10 and TEM01 mode Hermite-Gaussian beams of optical electromagnetic field equation. Single-photon acquisition is analyzed for the laser links between a ground station and a satellite in a low earth orbit. The theoretical study shows that it is feasible for quantum key distribution between a ground station and a satellite in a low earth orbit to use highly attenuated laser pulses based on TEM10 and TEM01 mode Hermite-Gaussian beams as single-photon sources. |
| Keywords: | Quantum key distribution Single-photon acquisition probability Hermite-Gaussian beams |
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