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Related Experiment Video

Updated: Jun 22, 2026

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
07:56

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

Published on: September 5, 2019

SiPM for fast Photon-Counting and Multiphoton Detection.

P Eraerds, M Legré, A Rochas

    Optics Express
    |June 25, 2009
    PubMed
    Summary

    This study showcases the fast counting and multiphoton detection capabilities of Silicon Photo Multipliers (SiPMs). SiPMs can detect photons separated by 2.3 ns and distinguish multiple simultaneous photons.

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    Area of Science:

    • Photon detection
    • Semiconductor devices

    Background:

    • Silicon Photo Multipliers (SiPMs) are advanced photodetectors.
    • High-speed photon counting is crucial for various scientific applications.

    Purpose of the Study:

    • To evaluate the fast counting performance of SiPMs.
    • To assess the multiphoton detection capabilities of SiPMs.

    Main Methods:

    • Operating the SiPM in fast counting mode to measure temporal resolution.
    • Utilizing the SiPM in multiphoton detection mode to analyze signal discrimination.
    • Characterizing counting efficiency and dark count rate at specific wavelengths and temperatures.

    Main Results:

    • Achieved detection of consecutive photons separated by 2.3 ns (430 MHz).
    • Demonstrated a counting efficiency of approximately 16% for low optical intensities at 532 nm.
    • Recorded a dark count rate of 52 kHz at -5°C.
    • Showcased good signal discrimination for varying numbers of simultaneously detected photons.

    Conclusions:

    • SiPMs exhibit excellent fast counting capabilities.
    • SiPMs are effective for multiphoton detection with good signal resolution.
    • The characterized performance metrics highlight SiPM suitability for demanding photon detection tasks.

    Related Experiment Videos

    Last Updated: Jun 22, 2026

    A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
    07:56

    A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

    Published on: September 5, 2019