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Updated: Jun 23, 2026

Quasi-light Storage for Optical Data Packets
07:45

Quasi-light Storage for Optical Data Packets

Published on: February 6, 2014

Fast tunable parallel optical delay line.

B Wang, I Glesk, R Runser

    Optics Express
    |May 8, 2009
    PubMed
    Summary
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    A novel tunable optical delay line enables sub-nanosecond switching for Optical Time Division Multiplexing (OTDM) systems. This technology, using parallel fiber delays and a latency algorithm, significantly reduces data latency for higher throughput.

    Area of Science:

    • Optical Communications
    • Telecommunications Engineering
    • Photonics

    Background:

    • Optical Time Division Multiplexing (OTDM) systems require efficient and fast optical delay lines for data routing and synchronization.
    • Existing delay line technologies often face limitations in tuning speed, complexity, or operational bandwidth.

    Purpose of the Study:

    • To develop and demonstrate a new tunable optical delay line with sub-nanosecond tuning capabilities for OTDM applications.
    • To investigate the potential for latency reduction and increased data throughput using the proposed delay line architecture.

    Main Methods:

    • Implementation of a tunable optical delay line utilizing parallel fiber delays.
    • Operation of a single modulator below the baseband data rate.
    • Application of a control algorithm based on a latency diagram for latency optimization.

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    Last Updated: Jun 23, 2026

    Quasi-light Storage for Optical Data Packets
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    Published on: February 6, 2014

    Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy
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    Main Results:

    • Achieved sub-nanosecond tuning time across three time slots spaced 100 picoseconds apart.
    • Demonstrated a 50% reduction in average latency compared to straightforward hardware implementations.
    • Showcased the potential for 160 Gb/s optical data throughput using 10 GHz electronics.

    Conclusions:

    • The developed tunable optical delay line offers a promising solution for high-speed OTDM systems.
    • The parallel fiber delay architecture and latency control algorithm contribute to enhanced performance and efficiency.
    • This technology paves the way for next-generation optical networks with significantly higher data processing capabilities.