用光电离子检测单个Er3+离子,其时间分辨率低于100ns
Yangbo Zhang1,2, Wenda Fan1,2, Jiliang Yang1,2
1CAS Key Laboratory of Microscale Magnetic Resonance and School of Physical Sciences, University of Science and Technology of China, Hefei 230026, China.
National science review
|March 15, 2024
概括
我们展示了射频 (RF) 反射计,用于检测中的单个 (Er3+) 离子. 这种方法实现了100ns以下的时间分辨率,为量子技术提供了新的可能性.
科学领域:
- 量子信息科学 量子信息科学
- 固态物理 固态物理
- 纳米技术 纳米技术
背景情况:
- 单个光学中心的有效检测对于量子信息处理,传感和单个光子生成至关重要.
- 中的 (Er3+) 离子是光学量子系统的有希望的候选者.
研究的目的:
- 为了证明射频 (RF) 反射计用于电气检测中单个Er3+离子诱导的光电离.
- 测量纳米晶体管中单个Er3+离子的兴奋状态寿命.
主要方法:
- 使用高带宽和高灵敏度的射频反射计.
- 采用纳米晶体管装置来容纳单个Er3+离子.
- 为光电离子检测实现了低于100ns的时间分辨率.
主要成果:
- 在中使用射频反射计成功检测到单个Er3+离子的光电离.
- 测量了一个单个Er3+离子的光学激发状态寿命为[公式:参见文本]s.
- 经验证的多通道射频反射计与频率复杂化.
结论:
- 射频反射计提供了一种有效的方法来检测由单个Er3+离子的光学刺激和放松引起的电荷状态变化.
- 这种技术适用于固体中其他单个光学中心的快速读取.
- 这种方法对可扩展的集成光学量子系统具有吸引力.
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