Effect of dead space on avalanche speed [APDs]
نویسندگان
چکیده
منابع مشابه
Numerical Analysis of Homojunction Gallium Arsenide Avalanche Photodiodes (gaas-apds)
In our earlier work we introduce a numerical analysis to investigate the excess noise and performance factor of double carrier multiplication homojunction avalanche photodiodes (APDs) considering the nonlocal nature of the ionization process. In this paper we investigate the gain, breakdown voltage and carrier injection breakdown probability of homojunction avalanche photodiode in the wide rang...
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15 صفحه اولOn the analytical formulation of excess noise in avalanche photodiodes with dead space.
Simple, approximate formulas are developed to calculate the mean gain and excess noise factor for avalanche photodiodes using the dead-space multiplication theory in the regime of small multiplication width and high applied electric field. The accuracy of the approximation is investigated by comparing it to the exact numerical method using recursive coupled integral equations and it is found th...
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The nonlocal enhancement in the velocities of charge carriers to ionization is shown to outweigh the opposing effects of dead space, increasing the avalanche speed of short avalanche photodiodes (APDs) over the predictions of a conventional local model which ignores both of these effects. The trends in the measured gain–bandwidth product of two short InAlAs APDs reported in the literature suppo...
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ژورنال
عنوان ژورنال: IEEE Transactions on Electron Devices
سال: 2002
ISSN: 0018-9383
DOI: 10.1109/16.992860