| 超导单光子探测技术 |
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| 引用本文： | 张忠祥,韩正甫,刘云,郭光灿. 超导单光子探测技术[J]. 物理学进展, 2007, 27(1): 1-8 |
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| 作者姓名： | 张忠祥 韩正甫 刘云 郭光灿 |
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| 作者单位： | 中国科学技术大学,中科院量子信息重点实验室,合肥,230026 |
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| 基金项目： | 国家自然科学基金;中国科学院知识创新工程项目;国家自然科学基金 |
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| 摘 要： | 单光子探测是弱光测量技术的核心,在量子信息、物理、生物、化学和天文学领域具有关键性的作用。传统以光电倍增管或雪崩二极管为基础的单光子探测器的低灵敏度和高暗计数限制了信噪比的提高,低计数率限制了测量速度和动态范围。本文综述了以超导材料作为光敏感器件的单光子探测技术,其量子效率、暗计数率和计数率远高于传统的单光子探测器,它们的出现势必给单光子测量相关学科带来巨大影响。
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| 关 键 词： | 单光子探测 转换边界传感器(TES) 超导单光子探测器(SSPD) |
| 文章编号： | 1000-0542（2007）01-0001-08 |
| 收稿时间： | 2006-05-08 |
| 修稿时间： | 2006-05-08 |
SUPERCONDUCTING SINGLE-PHOTON DETECTION |
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| ZHANG Zhong-xiang,HAN Zheng-fu,LIU Yun,GUO Guang-can. SUPERCONDUCTING SINGLE-PHOTON DETECTION[J]. Progress In Physics, 2007, 27(1): 1-8 |
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| Authors: | ZHANG Zhong-xiang HAN Zheng-fu LIU Yun GUO Guang-can |
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| Affiliation: | Key Laboratory of Quantum Information, University of Science and Technology of China, Chinese Academy of Science, Hefei 230026, China |
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| Abstract: | Single-photon detection,which is the core of weak light detection,plays key role in the fields of quantum information,physics,biology,chemistry and astronomy.The low sensibility and the high dark count rate of traditional single-photon detectors which base on photomultiplier tube or avalanche photodiode limit the improvement of the signal noise ratio and the low counting rate limits the detecting speed and the dynamic range.Here we review the single-photon detecting technology using superconducting materials as light sensitive apparatus.Their quantum efficiency,dark count rate and counting rate outclass the traditional single-photon detector.Their appearances certainly will bring a great influence to the subjects relating to the single-photon detection. |
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| Keywords: | single-photon detection transition-edge sensor superconducting single-photon detector. |
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