Loss Compensation and Superresolution in Metamaterials with Excitations at Complex Frequencies

Metamaterials, from optics to radio frequencies and acoustics, have attracted significant attention over the last few decades, with promising applications in a wide range of technological areas. However, it has been recognized that their performance is often hindered by ubiquitous material loss and...

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Bibliographic Details
Main Authors: Seunghwi Kim, Yu-Gui Peng, Simon Yves, Andrea Alù
Format: Article
Language:English
Published: American Physical Society 2023-11-01
Series:Physical Review X
Online Access:http://doi.org/10.1103/PhysRevX.13.041024