All-dielectric metamaterials and metasurfaces have been demonstrated as ideal platforms to
manipulate electromagnetic waves and enhance light–matter interaction. Analogous to …

Lightweight, miniaturized optical imaging systems are vastly anticipated in these fields of
aerospace exploration, industrial vision, consumer electronics, and medical imaging …

Augmented reality (AR) displays, as the next generation platform for spatial computing and
digital twins, enable users to view digital images superimposed on real-world environment …

Optical metalenses—two-dimensional arrays of submicrometre scatterers that collectively
focus light—have experienced growing research interest in recent years as they can realize …

Optical metasurfaces—subwavelength-patterned surfaces that interact strongly with light—
have been an active area of research for more than a decade. The field has been driven by …

Over the last two decades, the capabilities of metasurfaces in light modulation with
subwavelength thickness have been proven, and metasurfaces are expected to miniaturize …

Control over the dispersion of the refractive index is essential to the performance of most
modern optical systems. These range from laboratory microscopes to optical fibres and even …

Metasurfaces are ushering in an era of multifunctional control over optical wavefronts
realized with ultrathin planarized devices. Recent advances have been enabling …

As 2D metamaterials, metasurfaces provide an unprecedented means to manipulate light
with the ability to multiplex different functionalities in a single planar device. Currently, most …

Active metasurfaces promise reconfigurable optics with drastically improved compactness,
ruggedness, manufacturability and functionality compared to their traditional bulk …