Fig. 4: Simulation and experiment of single-pixel metasurface switching between LSP and P-QBIC.
From: Electrically programmable pixelated coherent mid-infrared thermal emission

a Polarized FTIR spectra of the P-QBIC and LSP modes. b Polarized FDTD spectra of the P-QBIC and LSP modes with different thicknesses of Al2O3 spacer.