The terahertz (THz) wave is at the intersection between photonics and electronics in the
electromagnetic spectrum. Since the vibration mode of many biomedical molecules and the …

The geometric phase concept has profound implications in many branches of physics, from
condensed matter physics to quantum systems. Although geometric phase has a long …

Chiral enantiomers have different pharmacological and pharmacokinetic characteristics. It is
important to strictly detect chiral component for avoiding being harmful to the human body …

Metasurfaces, which are the two-dimensional counterparts of metamaterials, have
demonstrated unprecedented capabilities to manipulate the wavefront of electromagnetic …

In this paper, an actively tunable and switchable multi-functional terahertz metamaterial
device based on a hybrid vanadium dioxide (VO2)–graphene integrated configuration is …

Polarimetry plays an indispensable role in modern optics. Nevertheless, the current
strategies generally suffer from bulky system volume or spatial multiplexing scheme …

Metalenses as miniature flat lenses exhibit a substantial potential in replacing traditional
optical component. Although the metalenses have been intensively explored, their functions …

Terahertz modulators play a critical role in high-speed wireless communication, non-
destructive imaging, and so on, which have attracted a large amount of research interest …

Dielectric metasurfaces, composed of planar arrays of subwavelength dielectric structures
that collectively mimic the operation of conventional bulk optical elements, have …

Structured light–electromagnetic waves with a strong spatial inhomogeneity of amplitude,
phase, and polarization–has occupied far-reaching positions in both optical research and …