Metasurface Spatial Processor for Electromagnetic Remote Control
Karim Achouri, Guillaume Lavigne, Mohamed Ahmed Salem, Christophe, Caloz
TL;DR
This paper presents a metasurface-based spatial processor that remotely controls electromagnetic wave transmission through interference, enabling switching and amplification with diverse transformations, akin to a transistor or interferometer.
Contribution
Introduction of a metasurface spatial processor concept that allows remote, coherent control of electromagnetic waves for switching and amplification.
Findings
Demonstrated metasurfaces for electromagnetic switching
Demonstrated metasurfaces for electromagnetic amplification
Device operation analogous to transistor and interferometer
Abstract
We introduce the concept of metasurface spatial processor, whose transmission is remotely and coherently controlled by the superposition of an incident wave and a control wave through the metasurface. The conceptual operation of this device is analogous to both that of a transistor and a Mach-Zehnder interferometer, while offering much more diversity in terms of electromagnetic transformations. We demonstrate two metasurfaces, that perform the operation of electromagnetic switching and amplification.
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