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All-polymer monolithic resonant integrated optical gyroscope.

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    This study presents an all-polymer resonant integrated optical gyroscope (RIOG) chip. This on-chip integration of optical components offers a low-cost, high-performance alternative for micro-optical gyroscopes.

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    Area of Science:

    • Photonics
    • Materials Science
    • Microelectromechanical Systems (MEMS)

    Background:

    • Resonant integrated optical gyroscopes (RIOGs) are promising for high-performance micro-gyroscopes but face integration challenges.
    • Current RIOGs utilize discrete components, hindering miniaturization and cost-effectiveness.

    Purpose of the Study:

    • To demonstrate the on-chip integration of optical functional components for an organic-polymer-based RIOG.
    • To develop a low-cost, miniaturized RIOG with reduced size, weight, and power (CSWaP) consumption.

    Main Methods:

    • Fabrication of an electro-optic modulator (EOM) using a self-synthesized electro-optic (EO) polymer.
    • Achieving a high-quality factor resonator using a low-loss fluorinated polymer.
    • Utilizing simple integrated optical processes like spin coating, lithography, and etching.

    Main Results:

    • The fabricated EOM achieved a half-wave voltage of less than 2 V, outperforming lithium niobate modulators.
    • A quality factor of approximately one million was obtained for the polymer resonator.
    • Successful monolithic integration of modulator and resonator components on a single chip.

    Conclusions:

    • The developed all-polymer RIOG chip prototype demonstrates the feasibility of monolithic integration.
    • This work lays the foundation for precision, fully integrated optical gyroscopes.
    • The presented approach offers a low-cost, high-performance solution for micro-optical gyroscopes.