A Method to Correct the Temporal Drift of Single-Photon Detectors Based on Asynchronous Quantum Ghost Imaging

Area of Science:

• Quantum optics
• Photonics
• Quantum information science

Background:

• Single-photon detection and timing are crucial for quantum sensing and low-level light imaging.
• Implementing in-pixel timing circuitry in 2D imagers remains a research challenge.
• Voltage-controlled ring resonators are a promising approach but suffer from supply voltage variations causing timing drift.

Purpose of the Study:

• To present a novel method for identifying and correcting temporal drifts in single-photon detectors.
• To address the limitations of voltage-controlled ring resonators in 2D imaging detectors.
• To improve the reliability of timing information in quantum imaging systems.

Main Methods:

• Utilizing asynchronous quantum ghost imaging (QGI) to detect timing drifts.
• Implementing a correction method based on the QGI measurements.
• Analyzing the impact of the correction on QGI data.

Main Results:

• Successfully identified and quantified temporal drifts in single-photon detector timing.
• Demonstrated the effectiveness of the proposed correction method.
• Showcased the improved performance of QGI measurements after drift correction.

Conclusions:

• The developed method effectively corrects temporal drifts in single-photon detectors.
• This advancement is vital for the practical application of advanced quantum imaging technologies.
• The findings contribute to the development of more robust and accurate quantum sensing devices.