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Related Experiment Video

Updated: May 9, 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

Ultra storage-efficient time digitizer for pseudorandom single photon counter implemented on a field-programmable

Haiting Tian, S Fernando, Hock Wei Soon

    IEEE Transactions on Biomedical Circuits and Systems
    |July 16, 2013
    PubMed
    Summary
    This summary is machine-generated.

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    This study introduces an ultra storage-efficient time digitizer for pseudorandom single photon counting, improving data acquisition speed and reducing system costs. The novel design achieves high photon rates with excellent time accuracy using minimal memory.

    Area of Science:

    • Photonics and Optical Measurement
    • Digital Signal Processing
    • High-Speed Electronics

    Background:

    • Pseudorandom single photon counting offers advantages in speed and cost over conventional methods.
    • Photon arriving time digitizers are crucial for high photon counting rates and time accuracy.
    • Existing digitizers face challenges with storage efficiency at high data rates.

    Purpose of the Study:

    • To develop an ultra storage-efficient time digitizer for pseudorandom single photon counters.
    • To enhance data acquisition speed and maintain high time accuracy.
    • To enable efficient storage of photon arrival times at high counting rates.

    Main Methods:

    • Implementation of an ultra storage-efficient time digitizer based on asynchronous serial communication.

    Related Experiment Videos

    Last Updated: May 9, 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

  • Design of a novel comb-wave modulator for achieving DC balance in serial communication.
  • Prototyping on field-programmable gate arrays (FPGAs).

    • Main Results:

    • The developed digitizer achieves a time resolution of 400 ps.
    • It enables storage of photon arrival times in 1-bit memory space per photon.
    • The prototype can register up to 4.2 Giga photon arrival time tags using 1024 × 32-b memory.

    Conclusions:

    • The proposed time digitizer significantly improves storage efficiency for pseudorandom single photon counters.
    • This advancement supports high photon counting rates with excellent time accuracy.
    • The technology offers a cost-effective and high-performance solution for time-resolved optical measurements.