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超导红外单光子探测器 被引量:5

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摘要 设计并制备了一套基于超导NbN薄膜材料的红外单光子探测器,以及其相应的检测电路和光路系统等,并将该探测系统应用于波长为1550nm的光子探测.通过实验和计算分析了该器件的动态电感、光响应、暗计数、脉冲重复速率和量子效率等参数.分析表明,该探测系统可用于红外单光子计数,具有暗计数低、重复速率快等特点,在众多邻域具有重要的应用前景.
出处 《科学通报》 EI CAS CSCD 北大核心 2008年第21期2668-2670,共3页 Chinese Science Bulletin
基金 国家高技术研究发展计划(编号:2006AA12Z120) 国家重点基础研究发展计划(编号:2006CB601006 2007CB310404)资助项目
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