Characterisation of a single photon event camera for quantum imaging

From National Research Council Canada

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DOI	Resolve DOI: https://doi.org/10.1038/s41598-023-27842-7
Author	Search for: Vidyapin, Victor¹; Search for: Zhang, Yingwen¹; Search for: England, Duncan¹; Search for: Sussman, Benjamin¹
Name affiliation	National Research Council of Canada. Security and Disruptive Technologies
Funder	Search for: National Research Council of Canada; Search for: Defence Research and Development Canada
Format	Text, Article
Abstract	We show a simple yet effective method that can be used to characterize the per pixel quantum efficiency and temporal resolution of a single photon event camera for quantum imaging applications. Utilizing photon pairs generated through spontaneous parametric down-conversion, the detection efficiency of each pixel, and the temporal resolution of the system, are extracted through coincidence measurements. We use this method to evaluate the TPX3CAM, with appended image intensifier, and measure an average efficiency of 7.4±2% and a temporal resolution of 7.3 ns. Furthermore, this technique reveals important error mechanisms that can occur in post-processing. We expect that this technique, and elements therein, will be useful to characterise other quantum imaging systems.
Publication date	2023-01-18
Publisher	Nature Research
Licence	Creative Commons, Attribution 4.0 International (CC BY 4.0) https://creativecommons.org/licenses/by/4.0/
In	Scientific Reports 13, no. 1, 1009 (18 January 2023).
Language	English
Peer reviewed	Yes
Identifier	27842
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Record identifier	8c7a0b98-17a1-48d7-95bc-4c22580a55fa
Record created	2023-01-27
Record modified	2023-03-16

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Date modified:: 2023-09-25