Design, Fabrication, and Measurement of the Low-Loss SOI-Based Dielectric Microstrip Line and its Components

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Detail(s)

Original languageEnglish
Article number7524805
Pages (from-to)696-705
Journal / PublicationIEEE Transactions on Terahertz Science and Technology
Volume6
Issue number5
Publication statusPublished - 1 Sept 2016

Abstract

A low-loss dielectric microstrip line (DML) integrated circuit based on silicon (Si) technology is proposed for THz applications in this paper. Using the DML, a coupler and a crossover are designed. In the proposed technology, all THz passive components are made of high-resistivity silicon on insulator (SOI) wafer. To fabricate the proposed transmission line and its components, we developed a high-precision fabrication process for the SOI wafer. A non-contact measurement technology is used to test the fabricated samples. The measured loss per wavelength of DML ranges from 0.0082 to 0.042 dB/λ over 750-925 GHz. The measured isolation of the crossover is 25.45 ± 5.54 dB, and the measured coupler factor of the coupler is-13.22 ± 3.23 dB.

Research Area(s)

  • Coupler, crossover, dielectric microstrip line (DML), dielectric transmission line, integrated circuit, terahertz (THz)

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