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Related Experiment Video

Updated: Dec 16, 2025

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station
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Sensitivity analysis and optimization of optical Y-branch structure parameters.

Yu Zheng, Zhijie Liu, Lianqiong Jiang

    Applied Optics
    |July 2, 2020
    PubMed
    Summary
    This summary is machine-generated.

    This study optimizes optical Y-branch parameters using global sensitivity analysis. The research identifies key parameters to reduce insertion loss, improve uniformity, and minimize wavelength and polarization-dependent losses.

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    Area of Science:

    • Photonics and Optical Engineering
    • Computational Physics

    Background:

    • Optical Y-branches are crucial components in photonic integrated circuits.
    • Understanding parameter sensitivity is vital for device performance optimization.

    Purpose of the Study:

    • To identify and analyze the sensitivity of structural parameters in an optical Y-branch.
    • To enhance the parameter optimization process for improved device performance.

    Main Methods:

    • Global sensitivity analysis using the Morris screening method and Sobol method.
    • Analysis of parameter sensitivity under input optical field offset.

    Main Results:

    • Identified key sensitivity parameters for the optical Y-branch.
    • Sensitivity analysis results informed the parameter optimization process.

    Conclusions:

    • Optimized optical Y-branch achieves low insertion loss.
    • Achieved good uniformity and reduced wavelength-dependent loss.
    • Minimized polarization-dependent loss in the optimized device.