Comparing a radiation damage model for avalanche photodiodes through in-situ observation of CubeSat based devices

• URL: http://arxiv.org/abs/2209.00408v2
• Date: Wed, 12 Mar 2025 12:51:38 GMT
• Title: Comparing a radiation damage model for avalanche photodiodes through in-situ observation of CubeSat based devices
• Authors: Arpad Lenart, Tanvirul Islam, Srihari Sivasankaran, Peter Neilson, Bernhard Hidding, Daniel K. L. Oi, Alexander Ling,
• Abstract summary: We present a model that accounts for differences in radiation shielding and can predict the trends for dark count rates of space-based silicon Geiger-mode avalanche photodiodes (GM-APD)<n>We find that the predicted trends are correlated with in-situ observations from GM-APDs on-board the SQy-1 CubeSat mission.
• Score: 36.136619420474766
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Space-based quantum technologies are essential building blocks for global quantum networks. However, the optoelectronic components used can be susceptible to radiation damage. Predicting long-term instrument performance in the presence of radiation remains a challenging part of space missions. We present a model that accounts for differences in radiation shielding and can predict the trends for dark count rates of space-based silicon Geiger-mode avalanche photodiodes (GM-APD). We find that the predicted trends are correlated with in-situ observations from GM-APDs on-board the SpooQy-1 CubeSat mission.

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