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Related Experiment Video

Updated: Dec 7, 2025

Fabrication and Testing of Microfluidic Optomechanical Oscillators
09:10

Fabrication and Testing of Microfluidic Optomechanical Oscillators

Published on: May 29, 2014

12.5K

Monolithically integrated membrane-in-the-middle cavity optomechanical systems.

G J Hornig, S Al-Sumaidae, J Maldaner

    Optics Express
    |September 29, 2020
    PubMed
    Summary
    This summary is machine-generated.

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    We developed novel curved-mirror Fabry-Perot cavities with silicon nitride membranes for enhanced sensing and quantum information applications. These microcavities offer high finesse and large optomechanical coupling for advanced optical and quantum technologies.

    Area of Science:

    • Optics and Photonics
    • Micro-electromechanical Systems (MEMS)

    Background:

    • Fabry-Perot cavities are crucial optical resonators.
    • Integrating MEMS with optical cavities presents fabrication challenges.

    Purpose of the Study:

    • To develop and characterize novel curved-mirror Fabry-Perot cavities with embedded silicon nitride membranes.
    • To investigate the optomechanical properties of these microcavities for sensing and quantum information applications.

    Main Methods:

    • Monolithic surface-micromachining fabrication process.
    • Confocal microscopy for membrane presence confirmation.
    • Optical studies and thermomechanical calibration for property verification.

    Main Results:

    • Successfully fabricated curved-mirror Fabry-Perot cavities with suspended silicon nitride membranes.

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    Last Updated: Dec 7, 2025

    Fabrication and Testing of Microfluidic Optomechanical Oscillators
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    Fabrication and Testing of Microfluidic Optomechanical Oscillators

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    12.5K
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  • Achieved reflectance-limited finesse (F ~ 10^3) and wavelength-scale mode volumes (VM ~ 10λ^3).
  • Demonstrated large optomechanical coupling due to short cavity length (L ~ 2λ).

    • Conclusions:

    • The developed microcavities are suitable for advanced optical sensing and quantum information processing.
    • The monolithic fabrication approach enables scalable production of these optomechanical devices.
    • The demonstrated large optomechanical coupling is a key enabler for future quantum technologies.