Gao, W.Yu, X.Fujita, M.Nagatsuma, T.Fumeaux, C.Withayachumnankul, W.2023-10-042023-10-042019International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz, 2019, vol.2019-September, pp.1-297815386828522162-20272162-2035https://hdl.handle.net/2440/139632Integrated guiding structures with low loss, low dispersion and broad bandwidth are demanded in high-performance terahertz systems. In this work, an effective-medium-cladded waveguide fabricated on a single high-resistivity silicon wafer is proposed for terahertz operation. The effective medium is realized by regularly perforating a silicon slab with a period in the subwavelength region. The simulated average attenuation coefficient is around 0.05 dB/cm over the operation frequency range from 220 GHz to 330 GHz for the E₁₁× mode.en©2019 IEEEConference paper10.1109/IRMMW-THz.2019.88743232023-10-04506047Gao, W. [0000-0002-6082-6993]Fumeaux, C. [0000-0001-6831-7213]Withayachumnankul, W. [0000-0003-1155-567X]