We have investigated the spreading of the avalanche process over the area of reach‐through avalanche photodiodes operated in Geiger mode. A comparison between the measurements and the results of a computer simulation suggests that photons emitted from hot carrier relaxations play the dominant role in the avalanche dynamics. It is the randomness of the photon‐assisted process which impairs the performance of these detectors in timing measurements.

Photon-assisted avalanche spreading in reach-through photodiodes

LACAITA, ANDREA LEONARDO;COVA, SERGIO;SOTTOCORNOLA SPINELLI, ALESSANDRO;ZAPPA, FRANCO
1993

Abstract

We have investigated the spreading of the avalanche process over the area of reach‐through avalanche photodiodes operated in Geiger mode. A comparison between the measurements and the results of a computer simulation suggests that photons emitted from hot carrier relaxations play the dominant role in the avalanche dynamics. It is the randomness of the photon‐assisted process which impairs the performance of these detectors in timing measurements.
APPLIED PHYSICS LETTERS
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11311/559644
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