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Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters
Published on: July 8, 2013
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Terahertz Spoof Surface Plasmon Polariton Waveguides: A Comprehensive Model with Experimental Verification
Muhammed Abdullah Unutmaz1, Mehmet Unlu2
1Ankara Yildirim Beyazit University, Ankara, 06010, Turkey.
Scientific Reports
|May 22, 2019
Summary
We developed a new model for effective dielectric constants in terahertz spoof surface plasmon polariton waveguides. This model significantly improves the accuracy of designing terahertz integrated systems.
Area of Science:
- Physics
- Electrical Engineering
- Materials Science
Background:
- Spoof surface plasmon polariton (SSPP) waveguides are crucial for developing miniaturized terahertz (THz) integrated systems.
- These systems are vital for advancing ultra-wideband communications, high-resolution imaging, and spectroscopy.
Purpose of the Study:
- To introduce a novel model for the effective dielectric constant of THz SSPP waveguides.
- To provide a fundamental design parameter for accurate THz component design.
Main Methods:
- Development of a theoretical model for the effective dielectric constant of THz SSPP waveguides.
- Fabrication and measurement of several waveguide prototypes across the 0.25–0.3 THz band.
- Comparison of experimental results with simulations based on the proposed model.
Main Results:
- The proposed model demonstrates high accuracy in predicting the effective dielectric constant.
- Measurement results show excellent agreement with simulations, with average and maximum errors of 2.6% and 8.8%, respectively.
- Achieved 10-to-30 times greater accuracy compared to existing methods.
Conclusions:
- This study presents the first investigation into the effective dielectric constant of THz SSPP waveguides.
- The validated model enables precise design of passive components for THz applications.
- This advancement is key to realizing next-generation THz integrated systems.
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