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Updated: Jun 10, 2026

Quasi-light Storage for Optical Data Packets
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Quasi-light Storage for Optical Data Packets

Published on: February 6, 2014

Implementation of a fiber-optic delay-line memory.

T J Soukup, R J Feuerstein, V P Heuring

    Applied Optics
    |August 21, 2010
    PubMed
    Summary
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    This study details a 50-MHz fiber-optic delay-line memory, a key component for optical computers. Reliability testing confirms its feasibility for higher-speed applications.

    Area of Science:

    • Optical Computing
    • Photonics
    • Data Storage

    Background:

    • Fiber-optic delay-line memory is crucial for high-speed optical computing.
    • Previous designs faced limitations in speed and stability.

    Purpose of the Study:

    • To construct and evaluate a 50-MHz fiber-optic bit-serial delay-line memory.
    • To assess its reliability and potential for future optical computer subsystems.

    Main Methods:

    • Utilized Lithium Niobate (LiNbO3) directional coupler switches and fused-fiber couplers.
    • Implemented a 4.17-km fiber loop for data delay.
    • Conducted reliability testing and analyzed temperature dependence for stability.

    Main Results:

    • Demonstrated the successful construction and operation of the 50-MHz memory subsystem.

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    Quasi-light Storage for Optical Data Packets
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  • Investigated data degradation due to phase error tolerance.
  • Confirmed memory loop stability across temperature variations.

    • Conclusions:

    • The experimental results support the feasibility of scaling to a 100-MHz 128 x 16 bit memory.
    • The developed memory subsystem is a viable component for bit-serial optical computers.