Metasurfaces have shown their great capability to manipulate electromagnetic waves. As a
new concept, reconfigurable metasurfaces attract researchers' attention. There are many …

Metasurfaces, the planar version of artificial structured media at sub-wavelength scale,
provide the ability to manipulate light wave in a naturally unavailable way. They offer an …

Information metasurface has shown great potential in wireless communications owing to its
ability to flexibly control electromagnetic waves. However, it is still a big challenge to achieve …

Non-Hermitian wave engineering has attracted a surge of interest in photonics in recent
years. Prominent non-Hermitian phenomena include coherent perfect absorption and its …

Programmable radio environments parametrized by reconfigurable intelligent surfaces
(RISs) are emerging as a new wireless communications paradigm, but currently used …

We present wave-based signal differentiation with unprecedented fidelity and flexibility by
purposefully perturbing overmoded random scattering systems such that zeros of their …

A thorough understanding of the topological classifications of non-Hermitian energy bands
is essential for advancing non-Hermitian band theory and its applications. As evidenced in …

We demonstrate experimentally that reflectionless scattering modes (RSMs), a generalized
version of coherent perfect absorption, can be functionalized to perform reflectionless …

Leveraging topological properties in the response of electromagnetic systems can greatly
enhance their potential. Although the investigation of singularity‐based electromagnetics …

The development of metamaterial absorbers has become attractive for various fields of
application, such as sensing, detectors, wireless communication, antenna design, emitters …