Fig. 3From: Enhanced Confinement of Terahertz Surface Plasmon Polaritons in Bulk Dirac Semimetal-Insulator-Metal WaveguidesNumerical calculations of the transmission spectra (a) and magnetic field (Hz) distributions (b, c) of BIM (red curve) and monolayer (blue curve) waveguides, where EF = 70 meV, g = 50 μm, and incident frequency of 1.56 THzBack to article page