Here, a simple four-band terahertz tunable narrowband absorber is proposed, which can
achieve multimodal perfect absorption within 1–9 THz. We analyzed the physical …

This paper presents a novel graphene-based proportional structure for a tunable wideband
absorber in the terahertz (THz) frequency range. In order to achieve the ideal design …

This article proposes a temperature-controlled absorber based on VO2, which consists of
five layers: a disk-shaped VO2 layer array, a dielectric layer, a circular hole VO2 array, a …

This paper presents a new theoretical proposal for a surface plasmon resonance (SPR)
terahertz metamaterial absorber with five narrow absorption peaks. The overall structure …

All-optical modulation yields the promise of high-speed information processing. In this field,
metasurfaces are rapidly gaining traction as ultrathin multifunctional platforms for light …

The terahertz perfect absorber can be applied in the control, sensing and modulation of
optical fields in micro-and nanostructures. However, they are only single function, complex …

Metasurfaces, composed of artificial meta-atoms of subwavelength size, can support strong
light–matter interaction based on multipolar resonances and plasmonics, hence offering the …

Structural symmetry plays a pivotal role in the emergence of symmetry-protected bound
states in the continuum (BICs), often observed at the Γ-point within the first Brillouin zone …

Nonlinear dielectric metasurfaces provide a promising approach to control and manipulate
frequency conversion optical processes at the nanoscale, thus facilitating both advances in …

Infrared band occupies a very important position in the electromagnetic wave band.
Traditional infrared devices use the inherent properties of natural materials to achieve the …