The mid-infrared spectral range is critical for bio-sensing and gas detection. Existing
methods for designing wavelength-selective absorbers involve two-dimensional (2D) and …

Graphene-based metasurface nearly perfect absorbers (MPAs) can be used as an efficient
tool for the active control and manipulation of waves in the terahertz (THz) gap. Here, we …

Obtaining functional devices with tunable features is beneficial to advance terahertz (THz)
science and technology. Here, we propose multifunctional gradient metasurfaces that are …

Explorations into the photonic analogs of topological materials have garnered significant
research interest due to their application potential. Particularly in planar systems, the …

A perfect bidirectional dynamic tunable absorber working in the near-infrared based on an
asymmetric Fabry–Pérot resonance in a thin film dielectric–metal multilayer structure is …

Narrowband resonance plays an important role in many optical applications, especially for
the development of wavelength-selective properties and enhanced light–matter interaction …

Metamaterials with sub-wavelength nanostructures refer to a class of synthetic materials that
possess exotic electromagnetic properties which cannot be observed with natural materials …