Enabling Frequency-hopping Selectivity with Locally Self-tuned Metasurfaces

Owing to their remarkable electromagnetic properties, metasurfaces have revolutionized many aspects of the design of microwave and optical devices. Their scattering responses, however, typically follow classical dispersion theory with unchanged properties in the variation of incident frequency-hopping signals. Here, we show that by introducing locally self-tuned resonances, a metasurface can scatter differently depending on how multifrequency pulses are used in different timeslots.