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Updated: Jun 22, 2026

Fabrication and Testing of Microfluidic Optomechanical Oscillators
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Pulse compression using a tapered microstructure optical fiber.

Jonathan Hu, Brian S Marks, Curtis R Menyuk

    Optics Express
    |June 12, 2009
    PubMed
    Summary
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    Pulse compression in tapered microstructure optical fibers is limited by mode leakage loss. A four-layer fiber achieved a 10x compression factor for a 3 ps pulse, with taper profile having minimal impact.

    Area of Science:

    • Optics and Photonics
    • Materials Science

    Background:

    • Microstructure optical fibers (MOFs) offer unique light-guiding properties.
    • Tapering MOFs can modify their optical characteristics for applications like pulse compression.

    Purpose of the Study:

    • To investigate pulse compression in a tapered four-layer MOF.
    • To identify the primary limitations on achieving high pulse compression factors.

    Main Methods:

    • Numerical calculation of pulse compression in a tapered MOF.
    • Analysis of mode leakage losses as a function of fiber diameter and taper profile.

    Main Results:

    • Mode leakage loss increases significantly as the fiber diameter decreases during tapering.
    • A compression factor of 10 was achieved for a 3 ps pulse in a 28 m long tapered fiber.

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  • Taper profile (linear vs. Gaussian) had a negligible effect on pulse compression.
  • Conclusions:

    • Mode leakage loss is the dominant factor limiting pulse compression in tapered MOFs.
    • Increasing the number of air-hole layers can reduce losses but offers only moderate gains in compression.
    • Careful design of taper geometry is crucial for optimizing pulse compression performance.