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Related Experiment Videos

Fabrication of polymer waveguides by a replication method.

Wei-Ching Chuang1, Chi-Ting Ho, Wen-Chung Chang

  • 1Department of Electro-Optics Engineering, National Formosa University, Yulin, Taiwan. eocwc@nfu.edu.tw

Applied Optics
|October 28, 2006
PubMed
Summary

A new soft-lithography technique creates polymer waveguides using a two-step molding process. This method achieves good pattern transfer and low optical propagation loss for telecommunication wavelengths.

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Area of Science:

  • Materials Science
  • Optoelectronics
  • Nanofabrication

Background:

  • Polymer waveguides are crucial components in optical communication systems.
  • Replication methods for fabricating polymer waveguides need to be efficient and cost-effective.

Purpose of the Study:

  • To develop a novel soft-lithography method for replicating polymer waveguides.
  • To evaluate the physical and optical performance of the fabricated waveguides.

Main Methods:

  • A two-step molding process was employed, starting with a master mold on negative-tone photoresist.
  • A polydimethylsiloxane (PDMS) mold was created and used to stamp the waveguide pattern onto UV-cure epoxy.

Main Results:

  • The soft-lithography method successfully transferred the waveguide pattern with good fidelity.

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  • Optical propagation loss was measured at 0.28 dB/cm at 1.3 micrometers and 0.26 dB/cm at 1.55 micrometers.

    • Conclusions:

    • The developed soft-lithography technique is a viable method for fabricating polymer waveguides.
    • The fabricated waveguides exhibit low propagation losses, suitable for optical applications.