Nanophotonics has garnered intensive attention due to its unique capabilities in molding the
flow of light in the subwavelength regime. Metasurfaces (MSs) and photonic integrated …

Optical metasurfaces with subwavelength thickness hold considerable promise for future
advances in fundamental optics and novel optical applications due to their unprecedented …

Phase-change materials (PCMs) offer a compelling platform for active metaoptics, owing to
their large index contrast and fast yet stable phase transition attributes. Despite recent …

Phase-change materials (PCMs) provide a unique combination of properties. On
transformation from the amorphous to crystalline state, their optical properties change …

Low‐loss nanostructured dielectric metasurfaces have emerged as a breakthrough platform
for ultrathin optics and cutting‐edge photonic applications, including beam sha** …

Metasurfaces, two-dimensional equivalents of metamaterials, are engineered surfaces
consisting of deep subwavelength features that have full control of the electromagnetic …

Compact nanophotonic elements exhibiting adaptable properties are essential components
for the miniaturization of powerful optical technologies such as adaptive optics and spatial …

We propose all‐dielectric metasurfaces that can be actively re‐configured using the phase‐
change material Ge2Sb2Te5 (GST) alloy. With selectively controlled phase transitions on …

In contrast to previous absorber designs,[6, 7] we incorporate aluminum instead of gold for
the metal nanostructures and mirror to obtain full compatibility with industry standard …

Engineering nanostructures with exceptionally high-Q resonances mediated by the Fano-
type hybridization between discrete states associated with the periodicity of the structure and …