Silicon-Based Avalanche Photodiodes: Advancements and Applications in Medical Imaging [PDF]
Nanomaterials, 2023 Avalanche photodiodes have emerged as a promising technology with significant potential for various medical applications. This article presents an overview of the advancements and applications of avalanche photodiodes in the field of medical imaging ...
Kirill A. Lozovoy +8 more
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Valence band engineering of GaAsBi for low noise avalanche photodiodes [PDF]
Nature Communications, 2021 An avalanche photodiode is an opto-electronic amplifier that uses impact ionization to provide enhanced sensitivity at the expense of excess noise. In this manuscript, the authors demonstrate that a small amount of Bismuth (Bi) in Gallium Arsenide (GaAs)
Yuchen Liu +8 more
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Flexible InGaAs/InAlAs avalanche photodiodes for short-wave infrared detection [PDF]
Nature CommunicationsFlexible detectors have gained growing research interest due to their promising applications in optical sensing and imaging systems with a broad field-of-view.
Jishen Zhang +11 more
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Infrared avalanche photodiodes from bulk to 2D materials [PDF]
Light: Science & Applications, 2023 Avalanche photodiodes (APDs) have drawn huge interest in recent years and have been extensively used in a range of fields including the most important one—optical communication systems due to their time responses and high sensitivities.
Piotr Martyniuk +6 more
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Avalanche Photodiodes and Silicon Photomultipliers of Non-Planar Designs [PDF]
Sensors, 2023 Conventional designs of an avalanche photodiode (APD) have been based on a planar p–n junction since the 1960s. APD developments have been driven by the necessity to provide a uniform electric field over the active junction area and to prevent edge ...
Sergey Vinogradov
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Progress in Avalanche Photodiodes for Laser Ranging [PDF]
SensorsLaser ranging is a high-precision geodetic technique that plays an indispensable role in the field of geodynamics. Avalanche photodiodes (APDs) offer a series of advantages over other photodetector technologies, including photomultiplier tubes (PMTs) and
Zhenxing Liu +5 more
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Ultraviolet Response in Coplanar Silicon Avalanche Photodiodes with CMOS Compatibility [PDF]
Sensors, 2022 Highly sensitive ultraviolet (UV) photodetectors are highly desired for industrial and scientific applications. However, the responsivity of silicon photodiodes in the UV wavelength band is relatively low due to high-density Si/SiO2 interface states.
Qiaoli Liu +6 more
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Bilateral Geiger mode avalanche in InSe Schottky photodiodes [PDF]
Nature CommunicationsAvalanche photodiodes are crucial in emerging weak light signal detection fields. However, most avalanche photodiodes either suffer from relatively high breakdown voltage or relatively low gain, impairing the advantages of avalanche multiplication ...
Dongyang Zhao +13 more
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Theoretical Analysis of InGaAs/InAlAs Single-Photon Avalanche Photodiodes [PDF]
Nanoscale Research Letters, 2019 Theoretical analysis and two-dimensional simulation of InGaAs/InAlAs avalanche photodiodes (APDs) and single-photon APDs (SPADs) are reported. The electric-field distribution and tunneling effect of InGaAs/InAlAs APDs and SPADs are studied.
Siyu Cao +6 more
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Theoretical Studies on InGaAs/InAlAs SAGCM Avalanche Photodiodes [PDF]
Nanoscale Research Letters, 2018 In this paper, we provide a detailed insight on InGaAs/InAlAs separate absorption, grading, charge, and multiplication avalanche photodiodes (SAGCM APDs) and a theoretical model of APDs is built.
Siyu Cao +8 more
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