Solar energy absorption is a very important field in photonics. The successful development
of an efficient, wide-band solar absorber is an extremely powerful driver in this field. We …

A switchable graphene-based terahertz metamaterial absorber is proposed by using
nonstructured graphene loaded with simple dielectric resonators, which can achieve both …

In this paper, we present an active controllable terahertz absorber with dual broadband
characteristics, comprised by two diagonal identical patterns of vanadium dioxide in the top …

In this paper, we have numerically investigated a metasurface based perfect absorber
design, established on the impedance matching phenomena. The paper comprises of two …

Multiple resonance modes in an optical absorber are necessary for nanophotonic devices
and encounter a challenge in the visible range. This article designs a multiple-channel …

Fano resonance with high Q-factor is considered to play an important role in the field of
refractive index sensing. In this paper, we theoretically and experimentally investigate a …

The spectral range of solar radiation observed on the earth is approximately 295 to 2500
nm. How to widen the absorption band of the plasmonic absorber in this range has become …

In this paper, an all-dielectric metasurface consisting of a unit cell containing a nanocube
array and organized periodically on a silicon dioxide substrate is designed and analyzed. By …

Optical absorbers with multiple absorption channels are required in integrated optical
circuits and have always been a challenge in visible and near-infrared (NIR) region. This …

This study proposes a broadband metamaterial absorber that integrates metal and
graphene metasurfaces sandwiched with dielectric spacers to create a cavity resonant …