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MetaOptics: opensource software for designing metasurface optical element GDSII layouts.

Raghu Dharmavarapu, Soon Hock Ng, Fatima Eftekhari

    Optics Express
    |March 4, 2020
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces MetaOptics, an open-source Python software simplifying metasurface design. It automates the conversion of optical element phase profiles into fabrication-ready GDSII layouts, reducing design time and cost.

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    Area of Science:

    • Optics and Photonics
    • Materials Science
    • Computational Physics

    Background:

    • Metasurfaces offer ultra-thin, flat optical elements for light manipulation.
    • Traditional metasurface design involves time-consuming FDTD simulations and GDSII layout generation.
    • Existing design tools are often expensive and complex.

    Purpose of the Study:

    • To develop an accessible, open-source software tool for metasurface optical element design.
    • To streamline the conversion of optical phase profiles into GDSII fabrication layouts.
    • To reduce the complexity and cost associated with metasurface design.

    Main Methods:

    • Developed MetaOptics, an open-source Python software.
    • Integrated Finite Difference Time Domain (FDTD) simulated phase response data for meta-atoms.
    • Implemented functionality to convert optical element phase profiles into GDSII layouts.
    • Included pre-loaded FDTD data for visible and infrared wavelengths, with options for user-defined data.

    Main Results:

    • MetaOptics successfully converts optical element phase profiles into GDSII metasurface layouts.
    • The software simplifies the design workflow, making it more accessible.
    • Provides built-in and user-uploadable phase response data for various wavelengths.

    Conclusions:

    • MetaOptics offers a user-friendly and efficient solution for metasurface design.
    • The open-source nature promotes wider adoption and further development in the field.
    • Facilitates the fabrication of advanced optical elements through simplified GDSII layout generation.