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Related Experiment Video

Updated: Jun 22, 2026

Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform
06:25

Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

Published on: February 12, 2014

High resolution optical time domain reflectometer based on 1.55mum up-conversion photon-counting module.

Matthieu Legré, Rob Thew, Hugo Zbinden

    Optics Express
    |June 24, 2009
    PubMed
    Summary
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    We developed a photon-counting Optical Time Domain Reflectometer (OTDR) for high-resolution fiber optic measurements. This new system achieves centimeter-level accuracy over tens of kilometers.

    Area of Science:

    • Photonics and Optical Engineering
    • Fiber Optic Sensing

    Background:

    • Optical Time Domain Reflectometry (OTDR) is crucial for fiber optic network characterization.
    • Existing OTDR systems face limitations in resolution and accuracy for demanding applications.

    Purpose of the Study:

    • To implement a novel photon-counting OTDR system at 1.55µm.
    • To achieve high 2-point resolution and accuracy in optical fiber measurements.

    Main Methods:

    • Utilized a low temporal-jitter photon-counting module operating at 1.55µm.
    • Integrated a periodically poled Lithium niobate (PPLN) waveguide for wavelength conversion.
    • Employed a low-jitter silicon photon-counting detector.

    Main Results:

    • Achieved centimeter-level resolution in OTDR measurements.

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  • Demonstrated high accuracy over a measurement range of tens of kilometers.
  • Successfully implemented a photon-counting detector with a PPLN waveguide.

    • Conclusions:

    • The developed photon-counting OTDR offers superior resolution and accuracy for fiber optic sensing.
    • This technology advances the capabilities of optical time domain reflectometry.
    • Potential applications include high-precision fiber optic network monitoring and characterization.