Avalanche photodiodes
Optimization of InGaAs/InAlAs Avalanche Photodiodes
... multiplication avalanche photodiodes (SAGCM APDs) and study the effect of the charge layer and multiplication layer on the operating voltage ranges of ...
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GaAs/Al 0.8 Ga 0.2 As avalanche photodiodes for soft X-ray spectroscopy
... well-designed avalanche photodiodes (APDs). APDs provide avalanche gain, M, via the impact ionization process, in which an energetic electron (or a hole) gives up its energy to create another ...
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Zener Phenomena in InGaAs/InAlAs/InP Avalanche Photodiodes
... Avalanche photodiodes have been utilized in many applications when very low power and high frequency signal detection are the main requirements, ...an avalanche photodiode (APD) is designed to own ...
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Numerical Analysis of Homojunction Gallium Arsenide Avalanche Photodiodes (GaAs -Apds)
... homojunction avalanche photodiodes (APDs) considering the nonlocal nature of the ionization ...homojunction avalanche photodiode in the wide range of multiplication region ...
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Laser annealing heals radiation damage in avalanche photodiodes
... Silicon avalanche photodiodes (APDs) are an appropriate choice for the single-photon detector on a satellite because of their low dark count rate, good sensitivity in - , nm wavelength range ...
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Investigation of temperature and temporal stability of AlGaAsSb avalanche photodiodes
... Avalanche Photodiodes (APDs) are routinely used in optical detection systems, transforming weak optical signals into large photocurrents such that the signals are significantly larger than noise originating ...
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Low multiplication noise thin Al0.6Ga0.4As avalanche photodiodes
... He was awarded a one-year Royal Society Exchange Fellowship at the Universita delle Scienze, Rome, Italy, and then lectured for a year in Mathematics at Imperial College, London, U.K.. In 1971, he moved to the Plessey ...
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The effects of nonlocal impact ionization on the speed of avalanche photodiodes
... of avalanche photodiodes (APDs) provides increased sensitivity in the detection of weak op- tical ...the avalanche to build up and decay is prolonged in devices in which both electron and hole ...
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Theoretical Studies on InGaAs/InAlAs SAGCM Avalanche Photodiodes
... multiplication avalanche photodiodes (SAGCM APDs) and a theoretical model of APDs is ...on avalanche field was analyzed. We confirm that avalanche field and multiplication factor ( M n ) in ...
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Numerical Analysis of Homojunction Avalanche Photodiodes (Apds)
... 30. Yuan, P., K. A. Anselm, C. Hu, H. Nie, C. Lenox, A. L. Holmes, B. G. Streetman, J. C. Campbell, and R. J. McIntyre, “A new look at impact ionization—Part II: Gain and noise in short avalanche ...
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Theoretical Analysis of InGaAs/InAlAs Single Photon Avalanche Photodiodes
... InGaAs/InP avalanche photodiodes (APDs) are the most significant photodetectors for short- wave infrared ...single-photon avalanche diodes have the dis- tinctive advantages of high performance, high ...
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Effect of impact ionization in the InGaAs absorber on excess noise of avalanche photodiodes
... Abstract— The effects of impact ionization in the InGaAs ab- sorption layer on the multiplication, excess noise and breakdown voltage are modeled for avalanche photodiodes (APDs), both with InP and with ...
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Nonlocal effects in thin 4H-SiC UV avalanche photodiodes
... gaps. Photodiodes utilizing these wide band-gap mate- rials have the potential to operate at high temperature with low leakage current and good visible-blind/solar-blind ...performance. Avalanche ...
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3D Camera Based on Gain-Modulated CMOS Avalanche Photodiodes
... linear-mode avalanche photodiodes as in-pixel demodulating ...modulation, avalanche photodiodes can combine op- tical sensing and light signal demodulation in a single ...the avalanche ...
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Modeling of Avalanche Photodiodes Performance under Thermal and Radiation Effects
... in photodiodes during exposure to a pulse of ionizing radiation is a result of a combination of Compton scattering effects and the photoelectric effect, depending on the energy of the ionizing-radiation ...
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Modeling of Radiation Induced Damage and Thermal Effects on Avalanche Photodiodes Properties
... Abstract - Radiation-induced damage in Avalanche Photodiode (APD) was shown to result from the dark current and a change of the effective doping concentration occurring within the photodiodes. In this paper ...
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Investigation of Novel Semiconductor Heterostructure Systems: I. Cerium Oxide/Silicon Heterostructures. II. 6.1 Å Semiconductor-Based Avalanche Photodiodes
... width and minimize the electric field present in the multiplication region. This is critical because extremely high electric fields negate the enhancement of the hole impact ionization coefficient in these materials. A ...
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Impact ionisation in Al0 9Ga0 1As0 08Sb0 92 for Sb based avalanche photodiodes
... If the intrinsic width of a p-i-n APD is reduced tunnelling currents become increasingly significant, eventually dominating the total leakage current with deleterious effects on the signal to noise ratio. In comparison ...
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Exponential time response in analogue and Geiger mode avalanche photodiodes
... This analytical prediction is supported by the numerical cal- culations in Fig. 4(b) of the mean impulse response current and its standard deviation. It is also supported by independent random path length (RPL) ...
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Al0.52In0.48P avalanche photodiodes for soft X-ray spectroscopy
... strate. Due to its wide bandgap, AlInP can offer reverse dark current of less than 2 pA at gain of 100 for a 200µ m device, making it desirable for room temperature operation[10]. This dark current is limited by surface ...
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