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Related Experiment Video

Updated: Apr 12, 2026

Fabrication of Silica Ultra High Quality Factor Microresonators
07:51

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Topology-optimized multiple-disk resonators obtained using level set expression incorporating surface effects.

Garuda Fujii, Tsuyoshi Ueta, Mamoru Mizuno

    Optics Express
    |May 14, 2015
    PubMed
    Summary
    This summary is machine-generated.

    Topology optimization enhances multiple-disk resonators by incorporating surface effects and total internal reflection. This design approach significantly boosts electric field intensity and Q factor for improved performance.

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    Area of Science:

    • Photonics and optical engineering
    • Materials science and engineering

    Background:

    • Dielectric resonators are crucial components in various optical and photonic devices.
    • Enhancing the performance of multiple-disk resonators is essential for next-generation optical technologies.

    Purpose of the Study:

    • To present topology-optimized designs for multiple-disk resonators.
    • To incorporate surface effects and total internal reflection into the optimization process.
    • To investigate performance improvements in terms of electric field intensity and Q factor.

    Main Methods:

    • Utilized a level-set expression for topology optimization.
    • Incorporated surface effects and total internal reflection modeling.
    • Simulated dielectric boundaries during the optimization process.
    • Investigated wavelength-scale link structures between disks.

    Main Results:

    • Achieved significant increases in electric field intensity (over 4.5 times the initial).
    • Observed substantial Q factor enhancements (up to 3.5 times the initial).
    • Demonstrated performance benefits from wavelength-scale link structures.

    Conclusions:

    • Topology optimization is an effective method for designing high-performance multiple-disk resonators.
    • Surface effects and total internal reflection play a critical role in resonator performance.
    • The proposed designs offer a pathway to advanced photonic devices.