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量子保密通信用的光精密控制强衰减技术 被引量:7

Precise Controlled Optical Attenuator for Quantum Security Communication
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摘要 光衰减技术是一种重要的光学技术 ,它在许多领域有重要的应用 在量子密钥分配中采用光衰减技术可获得单光子序列 ,这是量子保密通信的基础 用线性分束耦合器形成多个输出口 ,将光强的时序衰减变为光强沿输出口的空间分布 ,研制出了量子保密通信用的精密控制强衰减器 。 Optical attenuation, widely applied in many fields, can be adopted to acquire single-photon sequence that is foundational in quantum key distribution. Single-photon sequence can be obtained by precisely controlled optical power distribution along manifold outlets consisted of beam splitters .This can realize optical power spatial distribution instead of attenuation by time sequence due to loss.
出处 《光子学报》 EI CAS CSCD 北大核心 2004年第7期867-870,共4页 Acta Photonica Sinica
基金 国家 973(2 0 0 1CB30 930 0 )项目 广州市 (1999 Z 0 35 0 1)资助项目
关键词 单光子 量子密钥分配 分柬耦合器 光衰减 Single-photon Quantum Key Distribution Beam splitter Attenuation
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二级参考文献1

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