一个极简的自我差异化门方案,用于高重复率的无死时间单光子雪崩二极管
Samuele Altilia1, Edoardo Suerra1, Stefano Capra1
1Dipartimento di Fisica, Università degli Studi di Milano, Via Celoria 16, Milan, Italy and Istituto Nazionale di Fisica Nucleare, Sezione di Milano, Via Celoria 16, Milan, Italy.
The Review of scientific instruments
|March 4, 2026
概括
我们开发了一种简化的正弦波门单光子雪崩二极管 (SPAD) 探测器,用于高速量子应用. 这种新的设计可以实现高效的100MHz运行,提高性能和精确控制.
科学领域:
- 光子学和量子技术的使用.
- 半导体设备物理 半导体设备物理
背景情况:
- 门式灭单光子雪崩二极管 (SPAD) 探测器对于量子通信和计算至关重要.
- 现有的设计经常面临高重复率激光器的局限性.
研究的目的:
- 为高重复率 (100 MHz) 的正弦波门式SPAD探测器提供一种新的,简化的方案.
- 为了增强基于SPAD的量子系统的控制,信号噪声比和整体性能.
主要方法:
- 对正弦波门的自我差异化技术的实施.
- 使用印化雪崩光二极管.
- 使用100 MHz减弱激光脉冲进行实验性表征.
主要成果:
- 展示了一个简化的设计,直接实施.
- 实现了对SPAD偏差的精确控制,并改善了信号噪声比.
- 经过验证,在100MHz的脉冲重复周期内完全恢复量子效率.
结论:
- 这种新型的自差异化正弦波封锁方案使SPAD探测器在100MHz时能够有效地连续运行.
- 这种方法比以前用于量子应用的设计具有显著的优势.
- 开发的探测器适用于量子技术中的高重复率激光系统.
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