通过动态忆阻器淬火提高大面积盖革模雪崩光电二极管性能：关于提高计数率、降低抖动和减轻后脉冲的研究

IF 4.7 Q2 MATERIALS SCIENCE, BIOMATERIALS ACS Applied Bio Materials Pub Date : 2024-06-06 DOI:10.35848/1882-0786/ad5512

Jizhe Zhao, Jiyuan Zheng, Yubo Yang, Yinjie Liu, Xiayang Hua, Lai Wang, Z. Hao, Anran Guo, Yi Luo

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引用次数: 0

摘要

虽然盖革模式雪崩光电二极管（GmAPD）的光敏面积更大，从而增强了其探测范围和信号收集能力，提高了其在弱光探测中的实用性，但其实用性却因恢复时间长、后脉冲概率（AP）高和抖动过大而受到限制。这项研究利用动态晶闸管（DM）作为淬火电阻，与固定电阻（FR）淬火的 GmAPD 相比，在 2.5 V 过电压下将大尺寸 GmAPD 的计数率提高了 100 倍。此外，在光子脉冲频率为 1 MHz 时，抖动时间从 3.60 ns 缩短到 0.48 ns，后脉冲概率从 30.88% 有效降低到 8.58%。

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Enhancing large-area Geiger-mode avalanche photodiode performance through dynamic memristor quenching: A study on improving count rate, reducing jitter, and mitigating afterpulsing

While the larger photosensitive area of Geiger-mode Avalanche Photodiode (GmAPDs) enhances their detection range and signal collection, improving their utility in weak light detection, their practicality is limited by long recovery times, high afterpulsing probability (AP), and excessive jitter. Utilizing a Dynamic Memristor (DM) as a quenching resistor, this research improves the count rate of a large-size GmAPD by 100× at an overvoltage of 2.5 V, compared to a fixed resistor (FR)-quenched GmAPD. Furthermore, at 1 MHz photon pulse frequency, jitter time is reduced from 3.60 ns to 0.48 ns, and afterpulsing probability is effectively mitigated from 30.88% to 8.58%.

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来源期刊

ACS Applied Bio Materials Chemistry-Chemistry (all)

CiteScore

9.40

自引率

2.10%

发文量

464

期刊介绍： ACS Applied Bio Materials is an interdisciplinary journal publishing original research covering all aspects of biomaterials and biointerfaces including and beyond the traditional biosensing, biomedical and therapeutic applications. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrates knowledge in the areas of materials, engineering, physics, bioscience, and chemistry into important bio applications. The journal is specifically interested in work that addresses the relationship between structure and function and assesses the stability and degradation of materials under relevant environmental and biological conditions.