Compact High-Gain Si-Imprinted THz Antenna for Ultrahigh Speed Wireless Communications

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Abstract
A low profile and high gain Gaussian beam antenna operating at one THz is demonstrated for the first time. Imprint and dry etching technologies in silicon are employed. A complementary antenna feed based on the magneto-electric dipole is proposed for enhancing the radiation characteristics of the antenna. The microfabrication technologies are compatible with the Si-based integrated circuit manufacturing process. The THz antenna is realized with over 20 dBi in antenna gain. With high precision fabrication technologies, a highly efficient THz Gaussian beam antenna with smooth morphology and much lower profile than conventional horn and lens antennas is developed. Moreover, the antenna has the characteristic of low side lobe levels which is advantageous in many wireless applications.
Funding Information
  • Center for Biosystems, Neuroscience, and Nanotechnology (CBNN), City University of Hong Kong (9360148, 9380062)
  • City University of Hong Kong Strategic Research Grant (11214517)
  • University Grants Council of Hong Kong GRF Projects (11247716, 11218017, 11213018, 11212519, 11219619)
  • CRF Project (C1013-15G)

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