Tunable nanophotonics enabled by chalcogenide phase-change materials
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 …
flow of light in the subwavelength regime. Metasurfaces (MSs) and photonic integrated …
Active optical metasurfaces: comprehensive review on physics, mechanisms, and prospective applications
Optical metasurfaces with subwavelength thickness hold considerable promise for future
advances in fundamental optics and novel optical applications due to their unprecedented …
advances in fundamental optics and novel optical applications due to their unprecedented …
Electrically driven reprogrammable phase-change metasurface reaching 80% efficiency
S Abdollahramezani, O Hemmatyar… - Nature …, 2022 - nature.com
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 …
their large index contrast and fast yet stable phase transition attributes. Despite recent …
Phase-change materials for non-volatile photonic applications
Phase-change materials (PCMs) provide a unique combination of properties. On
transformation from the amorphous to crystalline state, their optical properties change …
transformation from the amorphous to crystalline state, their optical properties change …
[HTML][HTML] Collective lattice resonances: Plasmonics and beyond
Engineering nanostructures with exceptionally high-Q resonances mediated by the Fano-
type hybridization between discrete states associated with the periodicity of the structure and …
type hybridization between discrete states associated with the periodicity of the structure and …
Tunable and reconfigurable metasurfaces and metadevices
Metasurfaces, two-dimensional equivalents of metamaterials, are engineered surfaces
consisting of deep subwavelength features that have full control of the electromagnetic …
consisting of deep subwavelength features that have full control of the electromagnetic …
All‐dielectric programmable Huygens' metasurfaces
Low‐loss nanostructured dielectric metasurfaces have emerged as a breakthrough platform
for ultrathin optics and cutting‐edge photonic applications, including beam shaping …
for ultrathin optics and cutting‐edge photonic applications, including beam shaping …
Beam switching and bifocal zoom lensing using active plasmonic metasurfaces
Compact nanophotonic elements exhibiting adaptable properties are essential components
for the miniaturization of powerful optical technologies such as adaptive optics and spatial …
for the miniaturization of powerful optical technologies such as adaptive optics and spatial …
[PDF][PDF] A switchable mid‐infrared plasmonic perfect absorber with multispectral thermal imaging capability
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 …
the metal nanostructures and mirror to obtain full compatibility with industry standard …
Active dielectric metasurface based on phase‐change medium
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 …
change material Ge2Sb2Te5 (GST) alloy. With selectively controlled phase transitions on …