Photon detection efficiency of Geiger-mode avalanche photodiodes
Simonetta Gentile, Ekaterina Kuznetsova, Franco Meddi
TL;DR
This paper introduces a new method for estimating the photon detection efficiency of Geiger-mode avalanche photodiodes, accounting for after-pulse and cross-talk effects, and compares efficiencies across different manufacturers.
Contribution
A novel fit method for response spectra that accurately estimates initial photon numbers considering after-pulse and cross-talk effects.
Findings
Photon detection efficiencies vary among manufacturers.
The new fit method improves accuracy of efficiency estimation.
Calibration with a reference detector validates the approach.
Abstract
The photon detection efficiencies of multi-pixel Geiger-mode avalanche photodiodes manufactured by different produ cers are estimated. A new fit method of the response spectra to low-intensity light, taking into ac count after-pulse and cross-talk effects is proposed to yield the initial number of photons. The value of photon detection efficiency is calculated using a calibrated photodetector as a reference.
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Taxonomy
TopicsAdvanced Optical Sensing Technologies · CCD and CMOS Imaging Sensors · Infrared Target Detection Methodologies