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Related Experiment Videos

Simple process for fabricating a monolithic polymer optical waveguide.

Takayuki Matsui1, Kyoji Komatsu, Okihiro Sugihara

  • 1Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan. takayuki@mail.tagen.tohoku.ac.jp

Optics Letters
|May 24, 2005
PubMed
Summary
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A novel, cost-effective method creates integrated polymer optical waveguides by serially grafting different materials. This technique achieves low connection loss, enabling advanced photonic device fabrication.

Area of Science:

  • Materials Science
  • Photonics
  • Polymer Chemistry

Background:

  • Polymer optical waveguides are crucial components in photonic integrated circuits.
  • Existing fabrication methods can be complex and costly, limiting widespread adoption.
  • The development of simple, economical fabrication processes is essential for advancing integrated optics.

Purpose of the Study:

  • To propose and demonstrate a simple, economical fabrication process for monolithic polymer optical waveguides.
  • To achieve serial grafting of different materials within a single waveguide structure.
  • To minimize connection loss between dissimilar polymer materials in the waveguide.

Main Methods:

  • Fabrication of a cladding layer with a waveguide core groove using microtransfer molding.

Related Experiment Videos

  • Spin coating of epoxy resin, followed by selective photoexposure to form the waveguide core.
  • Spin coating of an optical functional polymer to create a serially grafted waveguide structure.

    • Main Results:

    • Successful fabrication of a monolithically integrated waveguide using two different polymers filling the groove.
    • Achieved a flat surface by controlling the groove shape during fabrication.
    • Demonstrated a low connection loss between the two polymers, measured at less than 0.01 dB/point.

    Conclusions:

    • The proposed method offers a simple and economical approach for fabricating monolithic polymer optical waveguides.
    • The technique allows for the integration of different functional polymers within a single waveguide.
    • The low connection loss achieved is promising for practical applications in optical communication and sensing.