Analysis of noise and its characteristics in avalanche photodiode

IF 1.4 4区物理与天体物理 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY AIP Advances Pub Date : 2024-09-09 DOI:10.1063/5.0229293

XiaoFei Jia, Qun Wei, Yan Zhu, WenPeng Zhang

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Abstract

Avalanche photodiodes (APDs) produce noise during operation, which affects the device performance. However, the previous research on its noise is mainly theoretical analysis and is only reflected as optical noise. Therefore, according to the characteristics of APD material and the mechanism of noise generation, the main noise of the device is analyzed in this paper. First, the test method of noise in APDs is established, including testing of dark noise, optical noise, and multiplication noise in high frequency bands. The main noises in APDs are 1/f noise, thermal noise, shot noise, generation recombination noise, and multiplication shot noise, and shot noise is suppressed by Fermi–Dirac distribution and Coulomb action. Second, the reliability of APDs is evaluated by measuring and analyzing the noise parameters of the device through thermal aging experiments. It is concluded that the defects introduced by thermal aging can be reflected by the change in noise, which is consistent with the results in the literature. This method can comprehensively obtain the noise in APDs, which is helpful to improve the working efficiency, life, and reliability of the device.

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雪崩光电二极管的噪声及其特性分析

雪崩光电二极管（APD）在工作过程中会产生噪声，从而影响器件的性能。然而，以往对其噪声的研究主要是理论分析，仅体现为光学噪声。因此，本文根据 APD 材料的特性和噪声产生的机理，分析了该器件的主要噪声。首先，建立了 APD 噪声的测试方法，包括暗噪声、光学噪声和高频段乘法噪声的测试。APD 的主要噪声有 1/f 噪声、热噪声、击穿噪声、生成重组噪声和倍增击穿噪声，击穿噪声受到费米-狄拉克分布和库仑作用的抑制。其次，通过热老化实验测量和分析器件的噪声参数，评估了 APD 的可靠性。结论是热老化带来的缺陷可以通过噪声的变化反映出来，这与文献中的结果一致。该方法能全面获取 APD 的噪声，有助于提高器件的工作效率、寿命和可靠性。

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来源期刊

AIP Advances NANOSCIENCE & NANOTECHNOLOGY-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

2.80

自引率

6.20%

发文量

1233

审稿时长

2-4 weeks

期刊介绍： AIP Advances is an open access journal publishing in all areas of physical sciences—applied, theoretical, and experimental. All published articles are freely available to read, download, and share. The journal prides itself on the belief that all good science is important and relevant. Our inclusive scope and publication standards make it an essential outlet for scientists in the physical sciences. AIP Advances is a community-based journal, with a fast production cycle. The quick publication process and open-access model allows us to quickly distribute new scientific concepts. Our Editors, assisted by peer review, determine whether a manuscript is technically correct and original. After publication, the readership evaluates whether a manuscript is timely, relevant, or significant.