Afterpulsing in Geiger-mode avalanche photodiodes for 1.06μm wavelength

We consider the phenomenon of afterpulsing in avalanche photodiodes (APDs) operating in gated and free-running Geiger mode. An operational model of afterpulsing and other noise characteristics of APDs predicts the noise behavior observed in the free-running mode. We also use gated-mode data to inves...

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Bibliographic Details
Published in:Applied physics letters 2006-03, Vol.88 (13)
Main Authors: Jensen, K. E., Hopman, P. I., Duerr, E. K., Dauler, E. A., Donnelly, J. P., Groves, S. H., Mahoney, L. J., McIntosh, K. A., Molvar, K. M., Napoleone, A., Oakley, D. C., Verghese, S., Vineis, C. J., Younger, R. D.
Format: Article
Language:English
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Summary:We consider the phenomenon of afterpulsing in avalanche photodiodes (APDs) operating in gated and free-running Geiger mode. An operational model of afterpulsing and other noise characteristics of APDs predicts the noise behavior observed in the free-running mode. We also use gated-mode data to investigate possible sources of afterpulsing in these devices. For 30-μm-diam, 1.06-μm-wavelength InGaAsP∕InP APDs operated at 290K and 4V overbias, we obtained a dominant trap lifetime of τd=0.32μs, a trap energy of 0.11eV, and a baseline dark count rate 245kHz.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.2189187