Fig. 3 | Nature Communications

Fig. 3

From: Programmable terahertz chip-scale sensing interface with direct digital reconfiguration at sub-wavelength scales

Fig. 3

Direct digital programming of the interface against spectrum and polarization. a Detector configurations, power distributions and surface current configurations for optimized reception at 0.3 and 0.75 THz at the broadside. The figure also shows the mapping of (x, y) position to location of the detectors on the antenna. The figure demonstrates that the reprogramming the surface for optimal reception at 0.75 THz can enhance responsivity by 12 times. b Simulated polarization responsivity and beam patterns when the surface is actuated against the two polarization. Programming the sensor response can enhance the reception by 16 times through polarization rotation of the surface currents

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