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Related Experiment Video

Updated: Jun 17, 2026

Fabrication and Testing of Microfluidic Optomechanical Oscillators
09:10

Fabrication and Testing of Microfluidic Optomechanical Oscillators

Published on: May 29, 2014

High-Q double-disk microcavities for cavity optomechanics.

Xiaoshun Jiang1, Qiang Lin, Jessie Rosenberg

  • 1Department of Applied Physic, California Institute of Technology, Pasadena, California 91125, USA.

Optics Express
|December 10, 2009
PubMed
Summary

We developed a novel double-disk microcavity for cavity optomechanics. This photonic structure offers a significantly larger gradient force per photon compared to scattering-force designs, enabling independent optical and mechanical tuning.

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Area of Science:

  • Photonics
  • Optomechanics
  • Nanotechnology

Background:

  • Cavity optomechanics relies on the interaction between light and mechanical motion within optical cavities.
  • Existing photonic structures often face trade-offs between optical and mechanical property optimization.

Purpose of the Study:

  • To design and characterize a novel double-disk microcavity for enhanced cavity optomechanics.
  • To investigate the gradient force properties of this new photonic structure.
  • To demonstrate the potential for independent optimization of optical and mechanical parameters.

Main Methods:

  • Design of a double-disk microcavity structure with a nanoscale gap on a silicon chip.
  • Theoretical analysis of gradient force in the designed microcavity.

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Last Updated: Jun 17, 2026

Fabrication and Testing of Microfluidic Optomechanical Oscillators
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Published on: May 29, 2014

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Implementation of a Reference Interferometer for Nanodetection
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  • Fabrication of the microcavity devices.
  • Characterization of optical and mechanical properties.

    • Main Results:

    • The double-disk microcavity exhibits a per-photon gradient force magnitude substantially larger than scattering-force-based structures.
    • The proposed device allows for nearly independent optimization of optical and mechanical properties.
    • Successful fabrication of the designed microcavity devices was achieved.

    Conclusions:

    • The double-disk microcavity represents a promising platform for advanced cavity optomechanics.
    • This design overcomes limitations of previous structures by decoupling optical and mechanical tuning.
    • The enhanced gradient force opens new avenues for sensitive force detection and manipulation.