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Area of Science:

  • Physics
  • Materials Science
  • Computer Engineering

Background:

  • Analog computing using wave interactions with metamaterials is a promising low-energy, ultrafast data processing platform.
  • Current approaches require large footprints and precise, large-area fabrication, limiting practical applications.

Purpose of the Study:

  • To demonstrate that compact scatterers can perform mathematical operations on impinging waves.
  • To show that these engineered microstructures can solve integro-differential equations.

Main Methods:

  • Engineering the nonlocal response of compact scatterers.
  • Analyzing wave interactions with these engineered microstructures.
  • Observing solutions in the scattered fields.

Main Results:

  • Demonstrated that compact scatterers can impart desired mathematical operations on arbitrary waves.
  • Showcased the ability to solve integro-differential equations through wave scattering.
  • Highlighted the robustness of the response due to the lack of strong resonance.

Conclusions:

  • Compact scatterers offer a viable route to efficient, compact analog computers.
  • The scalability and cascading of these processes are enabled by the compact nature.
  • Engineered microstructures provide a novel platform for advanced computation.