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Design of a wideband continuous-wave photomixer antenna for terahertz wireless communication systems

Author

Listed:
  • Truong Khang Nguyen
  • Sangin Kim
  • Fabien Rotermund
  • Ikmo Park

Abstract

We propose a bandwidth-enhanced four-leaf-clover-shaped photomixer antenna for use in terahertz wireless communication systems. The antenna was designed with a highly resonant radiation element, a stable DC feed element with photonic bandgap structure, and two symmetrical parasitic elements electromagnetically coupled with the main radiator for bandwidth enhancement. The antenna was optimized to have a maximum antenna-efficiency bandwidth and maximum directivity on an extended hemispherical lens. The half-maximum antenna-efficiency bandwidth of this structure was approximately 16%, and it completely covered the 275–320 GHz band. The antenna produced a maximum antenna-efficiency of 18% and a maximum directivity of 25 dBi, with a 2.4 dBi variation within the frequency band of interest, thus promising for efficient and stable operation.

Suggested Citation

  • Truong Khang Nguyen & Sangin Kim & Fabien Rotermund & Ikmo Park, 2014. "Design of a wideband continuous-wave photomixer antenna for terahertz wireless communication systems," Journal of Electromagnetic Waves and Applications, Taylor & Francis Journals, vol. 28(8), pages 976-988, May.
    • Handle: RePEc:taf:tewaxx:v:28:y:2014:i:8:p:976-988
    DOI: 10.1080/09205071.2014.899169
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