Metamaterials are an artificial electromagnetic material composed of periodic/non-periodic
subwavelength micro-/nanostructures, ie meta-atoms. The meta-atom interacts with the …

The combination of graphene and a metasurface holds great promise for dynamic
manipulation of the electromagnetic wave from low terahertz to mid-infrared. The optical …

In this work, we present an efficient polarization conversion device via using a hollow
graphene metasurface. The platform can simultaneously realize a series of excellent …

Actively switchable metasurfaces are extremely useful for achieving a multifunctional
integrated platform. The proposed design enables functional switching through the …

In this study, an ultra-thin reflective metasurface is proposed for polarization conversion in
the terahertz band. Each unit cell of metasurface is composed of graphene ribbons lying …

Active manipulation of the polarization states at terahertz frequencies is crucially helpful for
polarization-sensitive spectroscopy, having significant applications such as non-contact Hall …

Using dual bias for a single graphene layer a multi-layer THz absorber is proposed. An
exclusive circuit representation is derived and a two-layer structure is investigated as a …

We present an ultrathin graphene metascreen that possesses dispersive optical activity in
the early terahertz spectrum. The metascreen design consists of periodically etched L …

This paper reports an elaborated study of a graphene-based transmittive-type triple-band
linear to circular polarization converter (TTLCPC) within the lower mid infrared (MIR) region …

A wideband nanoribbon graphene-based antenna with double rectangular rings for
terahertz (THz) applications is presented. The wideband and efficient graphene-based …