Abstract
The methods of mathematical simulation are used to study the dynamics of the local microbreak-down in silicon avalanche photodiode structures. The model takes into account the locality of the region of the avalanche multiplication and the delay of the spreading of the avalanche current over the area of the back electrode of the diode. The calculations yield two transient phases of the voltage build-up across the diode: fast (due to the current spreading) and slow (related to the conventional RC recharging). The load resistances needed for the pulsed operation of the avalanche photodiodes are calculated for a series of practically important diode capacitances and spreading resistances of the back electrode.
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Original Russian Text © A.V. Verkhovtseva, V.A. Gergel’, A.P. Zelenyi, V.A. Zimoglyad, Yu.I. Tishin, 2009, published in Radiotekhnika i Elektronika, 2009, Vol. 54, No. 3, pp. 371–376.
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Verkhovtseva, A.V., Gergel’, V.A., Zelenyi, A.P. et al. Analysis of the dynamics of the local microbreakdown in silicon avalanche photodiode structures. J. Commun. Technol. Electron. 54, 355–359 (2009). https://doi.org/10.1134/S1064226909030152
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DOI: https://doi.org/10.1134/S1064226909030152