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Programmable wave-based analog computing machine: a metastructure that designs metastructures
Dimitrios C. Tzarouchis, Brian Edwards, Nader Engheta
The ability to perform mathematical computations using metastructures is an emergent paradigm that carries the potential of wave-based analog computing to the realm of near-speed-o…
Multiple actions of time-resolved short-pulsed metamaterials
Giuseppe Castaldi, Carlo Rizza, Nader Engheta +1
Recently, it has been shown that temporal metamaterials based on impulsive modulations of the constitutive parameters (of duration much smaller than a characteristic electromagneti…
Reconfigurable nonlinear optical element using tunable couplers and inverse-designed structure
Vahid Nikkhah, Mario Junior Mencagli, Nader Engheta
In recent years, wave-based analog computing has been at the center of attention for providing ultra-fast and power-efficient signal processing enabled by wave propagation through…
Inverse-designed Metastructures Together with Reconfigurable Couplers to Compute Forward Scattering
Vahid Nikkhah, Dimitrios C. Tzarouchis, Ahmad Hoorfar +1
Wave-based analog computing in the forms of inverse-designed metastructures and the meshes of Mach-Zehnder interferometers (MZI) have recently received considerable attention due t…
Electrically switchable Casimir forces using transparent conductive oxides
Tao Gong, Benjamin Spreng, Miguel Camacho +3
Casimir forces between charge-neutral bodies originate from quantum vacuum fluctuations of electromagnetic fields, which exhibit a critical dependence on material's electromagnetic…
Mathematical Operations and Equation Solving with Reconfigurable Metadevices
Dimitrios Tzarouchis, Mario Junior Mencagli, Brian Edwards +1
Performing analog computations with metastructures is an emerging wave-based paradigm for solving mathematical problems. For such devices, one major challenge is their reconfigurab…