Fig. 7: THz metasurface-aided point-to-point signal transmission based on real-time beam tracking.
From: Real-time programmable metasurface for terahertz multifunctional wave front engineering
a The diagram and b real photo of the transmission link based on a direct-modulation THz communication system at 0.34 THz. c Vpp of the real-time modulated single-tone signal and d the waveforms in different directions
