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Updated: Feb 10, 2026
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Using microcontrollers for optimal counting of single-photon events
T Murariu1, L M Pioraş-Ţimbolmaş1,2, C Tudoran1
1National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donat, RO-400293 Cluj Napoca, Romania.
The Review of Scientific Instruments
|February 9, 2026
Summary
This study quantifies errors in single-photon detection experiments caused by detector dead time and data acquisition delays. Understanding these factors is crucial for accurate quantum measurements.
Area of Science:
- Quantum optics
- Photonics
- Experimental physics
Background:
- Single-photon detection is fundamental to quantum technologies.
- Detector dead time and electronic delays introduce errors in photon counting.
Purpose of the Study:
- To analyze the impact of detector dead time and data acquisition delays on single-photon measurements.
- To quantify the errors introduced by these factors in down-conversion experiments.
Main Methods:
- Utilized a microcontroller-based setup for data acquisition.
- Employed various time windows for single-photon acquisition.
- Correlated electronic delays with detector dead time to estimate errors.
Main Results:
- Quantified measurement errors as a function of the correlation between electronic delay and detector dead time.
- Demonstrated the influence of these parameters on particle number and detection rates.
Conclusions:
- The study provides a method for error estimation in single-photon experiments.
- Findings are validated through analysis of statistical distributions and photon correlations.
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