Noise effects in avalanche photodiodes

The usual formula for the excess noise produced in a simple avalanche photodiode may be introduced in a particularly simple manner by taking advantage of the fact that the ionization coefficients usually encountered in practice are often regarded as constant throughout the device for any specific ap...

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Bibliographic Details
Published in:IEEE transactions on education 2000-08, Vol.43 (3), p.321-323
Main Author: Woods, R.C.
Format: Article
Language:English
Subjects:
Avalanche photodiodes
Avalanches
Education
Electric potential
Exact solutions
Mathematical analysis
Noise
Photodiodes
Voltage
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Summary:The usual formula for the excess noise produced in a simple avalanche photodiode may be introduced in a particularly simple manner by taking advantage of the fact that the ionization coefficients usually encountered in practice are often regarded as constant throughout the device for any specific applied bias voltage. An analytic expression for the hole current as a function of position, along with a novel interpretation of the minimum-noise condition, are also given.
ISSN:0018-9359
1557-9638
DOI:10.1109/13.865208