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Self-triggered method for characterization of single-photon detectors.

Thiago Ferreira da Silva

|March 15, 2016

Summary

This study introduces a novel self-triggered method for characterizing single-photon avalanche photodiodes (SPADs). The technique accurately measures SPAD dead time and gate width for reliable photon detection applications.

Area of Science:

Photonics and Optoelectronics
Semiconductor Device Physics

Background:

Single-photon avalanche photodiodes (SPADs) are critical for low-light detection.
Accurate characterization of SPAD parameters like dead time and gate width is essential for reliable performance.

Purpose of the Study:

To present a high-resolution, self-triggered method for characterizing SPADs.
To enable precise measurement of detection dead time and temporal gate width.

Main Methods:

Utilizing a self-triggered approach analyzing time intervals between consecutive detection events.
Applying continuous-wave illumination for detector characterization.

Main Results:

Successfully characterized SPAD detection dead time, a key factor limiting counting rates.

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Accurately determined the temporal gate width, crucial for gated-mode operation.

Conclusions:

The presented self-triggered method offers a reliable and validated approach for SPAD characterization.
This technique enhances the usability of SPADs in various sensitive optical applications.