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Related Experiment Video

Updated: May 27, 2026

Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters
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Graphene-based plasmonic waveguides for photonic integrated circuits.

Jin Tae Kim1, Sung-Yool Choi

  • 1Creative Research Center for Graphene Electronics, Electronics and Telecommunications Research Institute (ETRI), Daejeon 305-700, South Korea. jintae@etri.re.kr

Optics Express
|November 24, 2011
PubMed
Summary

Graphene plasmonic waveguides were fabricated using a low-loss polymer, demonstrating effective light guiding for high-speed optical data transmission. These waveguides show promise for next-generation photonic integrated circuits.

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Area of Science:

  • Photonics
  • Materials Science
  • Nanotechnology

Background:

  • Photonic integrated circuits (PICs) require efficient light-guiding components.
  • Graphene's unique electronic and optical properties make it a candidate for plasmonic applications.
  • Developing low-loss waveguides is crucial for high-speed optical data transmission.

Purpose of the Study:

  • To investigate the characteristics of graphene-based plasmonic waveguides for PICs.
  • To demonstrate the light signal guiding capabilities of these waveguides for optical data transmission.

Main Methods:

  • Fabrication of graphene plasmonic waveguides by embedding chemical vapor deposited graphene strips in a UV curable perfluorinated acrylate polymer.
  • Characterization of waveguide performance, including TM polarization mode support and extinction ratio.

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  • Experimental demonstration of optical signal transmission through the fabricated waveguides.

    • Main Results:

    • The graphene-based plasmonic waveguide successfully guided light signals.
    • The waveguide supported transverse-magnetic (TM) polarization modes with an average extinction ratio of 19 dB at 1.31 µm wavelength.
    • Successful transmission of 2.5 Gbps optical signals over a 6 mm-long waveguide was achieved.

    Conclusions:

    • Graphene-based plasmonic waveguides are effective light signal guiding media.
    • These waveguides offer potential for high-speed optical data transmission.
    • The developed waveguides can be utilized for next-generation photonic integrated circuits and devices.