Infrared metasurface, especially that having a working range covering wavelengths from
0.75 to 25 μm, has been exploited as a revolutionary tool to manipulate the properties of …

Edge-enhanced imaging and bright-field imaging extract different morphological information
from an object, and hence a system capable of switching dynamically between them is of …

Characterizing the amplitude, phase profile, and polarization of optical beams is critical in
modern optics. With a series of cascaded optical components, one can accurately resolve …

Tunable terahertz optical dual-functional slow light reflector based on gold-graphene
metamaterials has been designed and the proposed structure can achieve a good optical …

Broadband achromatic metalenses are highly desirable for realistic applications in focusing
and imaging. In this paper, a group of dielectric double-strip meta-atoms of high-index are …

A dynamically tunable reconfigurable metasurface in the terahertz (THz) band combined
with the phase-change material vanadium dioxide (VO _2) is proposed. Through theoretical …

Dielectric metasurfaces have opened promising possibilities to enable a versatile platform in
the miniaturization of optical elements at visible and infrared frequencies. Due to high …

Multi-dimensional multiplexing based on the broadband metasurface is a promising
candidate for the next generation terahertz (THz) communication system, which has become …

In this article, we propose a metasurface element with a simple structure and diverse
functions. Then, the polarization properties of metasurface elements were looked at, and …

Vortex beams are believed to be an effective way to extend communication capacity for its
infinite mode in theory, but the available efforts suffer from the issues of single operating …