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Updated: Jun 12, 2026

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source
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Optical manipulation with planar silicon microring resonators.

Shiyun Lin1, Ethan Schonbrun, Kenneth Crozier

  • 1School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, USA.

Nano Letters
|June 16, 2010
PubMed
Summary
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Researchers optically trapped microparticles on silicon microring resonators. This breakthrough enables precise particle confinement and propulsion for advanced nanomanipulation applications.

Area of Science:

  • Photonics
  • Nanotechnology
  • Optical Physics

Background:

  • Optical trapping is crucial for manipulating micro- and nanoparticles.
  • Silicon microring resonators offer unique optical properties for confinement.

Purpose of the Study:

  • To demonstrate optical trapping of microparticles on silicon microring resonators.
  • To investigate particle confinement and propulsion dynamics within the microring structure.

Main Methods:

  • Utilizing silicon microring resonators for optical trapping.
  • Confining microparticles in an optical potential.
  • Propelling trapped particles along the microring circumference.

Main Results:

  • Achieved stable optical trapping of microparticles on silicon microring resonators.

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  • Demonstrated confinement in an optical potential of 25 k(B)T along the entire microring.
  • Propelled particles at speeds of hundreds of micrometers per second, resulting in revolutions at several hertz.

    • Conclusions:

    • Silicon microring resonators provide a robust platform for optical trapping and manipulation.
    • The system offers high force and precise positioning capabilities.
    • Potential for diverse nanomanipulation applications is anticipated.