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Related Experiment Videos

Replica-molded high-Q polymer microresonators.

Andrea L Martin1, Deniz K Armani, Lan Yang

  • 1Department of Applied Physics, California Institute of Technology, 1200 East California Boulevard, M/C 128-95, Pasadena, California 91125, USA.

Optics Letters
|March 24, 2004
PubMed
Summary
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High-Q microresonators are replicated using master microtoroids, achieving Q factors up to 5x10^6. This nondestructive process preserves high optical quality and allows for reusable molds and stored resonators.

Area of Science:

  • Optics
  • Materials Science
  • Nanotechnology

Background:

  • High-Q microresonators are crucial for various photonic applications.
  • Previous replication methods often degraded the quality factor (Q factor).
  • Achieving high Q factors in replicated devices has been a significant challenge.

Purpose of the Study:

  • To demonstrate replica-molded high-Q microresonator arrays using ultrahigh-Q microtoroids as masters.
  • To evaluate the Q factors of the replicated microresonators.
  • To establish a robust and reusable replication process for high-Q microresonators.

Main Methods:

  • Utilized ultrahigh-Q microtoroids on a chip as replication masters.
  • Employed a novel optical polymer (Vicast) for replica molding.

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  • Investigated the nondestructive nature of the molding process and storage capabilities.

    • Main Results:

    • Achieved replica Q factors nearly material loss limited, reaching as high as 5 x 10^6.
    • Demonstrated a factor of 40 improvement in Q factor compared to previous polymer-based devices.
    • Confirmed that both the master and molds are reusable and that high-Q resonators can be stored in the mold for weeks without degradation.

    Conclusions:

    • The replication process successfully preserves the high Q factor of the master microtoroids.
    • This technique offers a scalable and cost-effective method for producing high-Q microresonator arrays.
    • The ability to store resonators in molds provides a practical pathway for preserving optical performance.