Parametric metasurfaces for electromagnetic wave amplification
Applied Physics
2024-02-02 v4 Optics
Abstract
We study parametric amplification of electromagnetic waves using metasurfaces. We design a variable capacitor-loaded metasurface that can amplify incident electromagnetic waves. We analyze various regimes of operation of the system and find that we can achieve a significant gain (over 10 dB) in just one layer of such a structure, and this gain can be controlled by parametric modulation. We study the instability threshold for this system and show that a simple theoretical model agrees well with the results of full numerical simulations.
Cite
@article{arxiv.2308.11208,
title = {Parametric metasurfaces for electromagnetic wave amplification},
author = {Fedor V. Kovalev and Ilya V. Shadrivov},
journal= {arXiv preprint arXiv:2308.11208},
year = {2024}
}
Comments
This article was published in Optical Materials Express (https://opg.optica.org/ome)