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Characterization of Impact Ionization Coefficient of ZnO Based on a p-Si/i-ZnO/n-AZO Avalanche Photodiode [PDF]

open access: yesMicromachines, 2020
The avalanche photodiode is a highly sensitive photon detector with wide applications in optical communication and single photon detection. ZnO is a promising wide band gap material to realize a UV avalanche photodiode (APD).
Gaoming Li   +4 more
doaj   +2 more sources

Dependence of Ge/Si Avalanche Photodiode Performance on the Thickness and Doping Concentration of the Multiplication and Absorption Layers

open access: yesInorganics, 2023
In this article, the performance and design considerations of the planar structure of germanium on silicon avalanche photodiodes are presented. The dependences of the breakdown voltage, gain, bandwidth, responsivity, and quantum efficiency on the reverse
Rahaf Douhan   +2 more
exaly   +3 more sources

Singlet oxygen luminescence detector based on low-cost InGaAs avalanche photodiode [PDF]

open access: yesHardwareX, 2021
Molecular oxygen excited to singlet state (Singlet oxygen, 1O2) becomes highly reactive and cytotoxic chemical. 1O2 is commonly generated by photoexcitation of dyes (photosensitizers), including the photodynamic therapy and diagnostics of cancer. However,
Alexander E. Moskalensky   +3 more
doaj   +2 more sources

Ultrafast avalanche photodiode exceeding 100 GHz bandwidth [PDF]

open access: yesNature Communications
Avalanche photodiodes (APDs) demand multiplication materials with low ionization coefficient ratio (k) for high-speed and high-sensitivity photodetection.
Yang Shi   +4 more
doaj   +2 more sources

A 45 nm CMOS Avalanche Photodiode with 8.4-GHz Bandwidth [PDF]

open access: yesMicromachines, 2020
Photodiode is one of the key components in optoelectronic technology, which is used to convert optical signal into electrical ones in modern communication systems.
Wenhao Zhi   +3 more
doaj   +2 more sources

High-speed Si-Ge avalanche photodiode with a gain-bandwidth product of 7564 GHz [PDF]

open access: yesNature Communications
Avalanche photodetectors are renowned for their exceptional sensitivity and high gain-bandwidth product, making them highly promising for optical communications, quantum technologies, LiDAR, and biosensing.
Jintao Xue   +5 more
doaj   +2 more sources

Counting multiple X-rays per pulse with an avalanche photodiode detector [PDF]

open access: yesJournal of Synchrotron Radiation
Avalanche photodiode detectors (APDs) at X-ray synchrotrons are typically limited to recording at most one photon per synchrotron pulse. Digitizing the APD amplifier outputs enables signal processing to accurately measure a mean count rate of at least ...
Liam T. Powers   +2 more
doaj   +2 more sources

Geiger-Mode Avalanche Photodiode Arrays Integrated to All-Digital CMOS Circuits [PDF]

open access: yesSensors, 2016
This article reviews MIT Lincoln Laboratory's work over the past 20 years to develop photon-sensitive image sensors based on arrays of silicon Geiger-mode avalanche photodiodes.
Brian Aull
doaj   +2 more sources

Avalanche Photodiodes with Dual Multiplication Layers for High-Speed and Wide Dynamic Range Performances

open access: yesPhotonics, 2021
In this work, we demonstrate In0.52Al0.48As top/backside-illuminated avalanche photodiodes (APD) with dual multiplication layers for high-speed and wide dynamic range performances. Our fabricated top-illuminated APDs, with a partially depleted p-type In0.
Naseem   +13 more
doaj   +1 more source

Research on the Structure Design of Silicon Avalanche Photodiode with Near-Ultraviolet High Responsivity

open access: yesPhotonics, 2023
To improve the low responsivity of the silicon avalanche photodiode in the near-ultraviolet wavelength range, we designed a near-ultraviolet highly responsive Si-APD basic structure with a multiplication layer neighboring the photosensitive surface ...
Guangtong Guo   +10 more
doaj   +1 more source

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