单光子探测器

Search documents
全球首款四通道超低噪声半导体“单光子探测器”!量产
Shang Hai Zheng Quan Bao· 2025-10-12 21:33
在中国科学技术大学和中国科学院量子信息与量子科技创新研究院的专利与技术许可基础上,研发团队 经过三年多的努力,攻克了热声制冷机小型化、制冷器密封可靠性、通道间串扰抑制等技术难题。单个 制冷器的最低工作温度从此前的-50℃降低至-120℃;在20%探测效率下,暗噪声水平降低约90%,达到 约100Hz的超低值。 记者从安徽省量子信息工程技术研究中心获悉,10月10日,全球首款四通道超低噪声半导体单光子探测 器(以下简称"单光子探测器")在合肥量产落地。 据了解,单光子探测器可以比作具备超凡视力的"眼睛",能精准捕捉和识别单个光子,是量子密钥分 发、荧光寿命成像、激光雷达等系统的核心组件。 该设备在探测效率、暗噪声水平、集成度等多项关键指标刷新世界纪录,标志着我国单光子探测技术进 入领跑阶段,可为量子通信、单光子雷达、生物荧光成像、深空激光测距、单光子成像等应用提供自主 可控、性能领先的核心组件。 从"灵敏的光眼"到"火眼金睛" 据介绍,量子科技头部上市公司国盾量子是该款单光子探测器设备的研发单位之一。目前,国际上仅有 单通道的同类工程化产品,在复杂探测场景下需多台设备协同,传统制冷工艺也限制了探测能力的提 升。 ...
2毫米厚玻璃硬盘年底量产
Chang Jiang Ri Bao· 2025-07-24 00:25
Core Viewpoint - The development of a revolutionary glass hard drive technology by a research team led by Zhang Jingyu at Huazhong University of Science and Technology is set to transform data storage, offering a capacity of up to 360TB and the ability to permanently retain data [2]. Group 1: Glass Hard Drive Technology - The glass hard drive can store 25,000 HD movies and is designed for long-term data preservation, with a single write operation capable of retaining massive amounts of data [2]. - This technology has won the Excellence Award at the 2024 National Disruptive Technology Innovation Competition and is expected to be industrialized by the end of this year [2]. - The technology aims to serve critical areas such as internet data centers, AI model training data storage, and long-term preservation of historical archives [2]. Group 2: Innovations in Imaging Technology - The research team has achieved breakthroughs in single-photon imaging technology, reaching a resolution of up to one million pixels [3]. - This advancement allows for high-resolution imaging even in low-light conditions, which is crucial for applications in quantum communication and deep space exploration [3]. - The laboratory has facilitated the incubation of several tech companies and has initiated nearly 100 research projects, resulting in 46 authorized invention patents, with many technologies reaching international leading standards [3].