动力感应电流传感器用于可见到近红外波长过渡边缘传感器读取输出
Paul Szypryt1,2, Douglas A Bennett3, Ian Fogarty Florang4,3
1Department of Physics, University of Colorado Boulder, Boulder, CO, USA. paul.szypryt@nist.gov.
Communications engineering
|November 6, 2024
概括
我们开发了一种新的动力感应电流传感器,用于超导过渡端传感器阵列的可扩展读数. 这项技术可以为量子信息科学和成像应用提供灵敏,高速的测量.
科学领域:
- 量子信息科学是一种量子信息科学.
- 超导装置是一种超导装置.
- 光子学 是一个光子学.
背景情况:
- 超导过渡边缘传感器 (TES) 对于可见到近红外应用中的光子数解析测量至关重要.
- 将TES数组缩放到数千像素对于大规模光谱成像和光子量子计算至关重要.
- 目前的读取技术,如超导量子干扰装置 (SQUID),面临着大型数组的可扩展性和速度的限制.
研究的目的:
- 引入一个可扩展的读数技术,即动力感应电流传感器 (KICS).
- 展示KICS能够读取近红外过渡边缘传感器可见的传感器的能力.
- 根据已建立的读取方法评估KICS性能.
主要方法:
- 在超导共振器中利用非线性动力电感度进行敏感电流测量.
- 设计和实施了一个可见到近红外过渡边缘传感器的KICS读数.
- 在相关频率上测量读出噪声和能量分辨率.
主要成果:
- 实现了3.7MHz的读取带宽.
- 在感兴趣的频率上测量了明显低于探测器噪声的读取噪声.
- 在0.8 eV时获得了0.137 ± 0.001 eV的能量分辨率,与非多重复合的SQUID读数可比.
结论:
- 动力感应电流传感器为TES读出提供了可扩展和高性能替代SQUID的替代方案.
- KICS与标准的微波频率分割多重复合相兼容,方便了阵列扩展.
- 这项技术推动了大规模光谱成像和光子量子计算系统的发展.
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