Tunable nanophotonics enabled by chalcogenide phase-change materials

S Abdollahramezani, O Hemmatyar, H Taghinejad… - …, 2020 - degruyter.com
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 …

Active optical metasurfaces: comprehensive review on physics, mechanisms, and prospective applications

J Yang, S Gurung, S Bej, P Ni… - Reports on Progress in …, 2022 - iopscience.iop.org
Optical metasurfaces with subwavelength thickness hold considerable promise for future
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 …

Phase-change materials for non-volatile photonic applications

M Wuttig, H Bhaskaran, T Taubner - Nature photonics, 2017 - nature.com
Phase-change materials (PCMs) provide a unique combination of properties. On
transformation from the amorphous to crystalline state, their optical properties change …

[HTML][HTML] Collective lattice resonances: Plasmonics and beyond

AD Utyushev, VI Zakomirnyi, IL Rasskazov - Reviews in Physics, 2021 - Elsevier
Engineering nanostructures with exceptionally high-Q resonances mediated by the Fano-
type hybridization between discrete states associated with the periodicity of the structure and …

Tunable and reconfigurable metasurfaces and metadevices

A Nemati, Q Wang, M Hong, J Teng - Opto-Electronic Advances, 2018 - researching.cn
Metasurfaces, two-dimensional equivalents of metamaterials, are engineered surfaces
consisting of deep subwavelength features that have full control of the electromagnetic …

All‐dielectric programmable Huygens' metasurfaces

A Leitis, A Heßler, S Wahl, M Wuttig… - Advanced Functional …, 2020 - Wiley Online Library
Low‐loss nanostructured dielectric metasurfaces have emerged as a breakthrough platform
for ultrathin optics and cutting‐edge photonic applications, including beam shaping …

Beam switching and bifocal zoom lensing using active plasmonic metasurfaces

X Yin, T Steinle, L Huang, T Taubner, M Wuttig… - Light: Science & …, 2017 - nature.com
Compact nanophotonic elements exhibiting adaptable properties are essential components
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

A Tittl, AKU Michel, M Schäferling, X Yin… - Advanced …, 2015 - researchgate.net
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 …

Active dielectric metasurface based on phase‐change medium

CH Chu, ML Tseng, J Chen, PC Wu… - Laser & Photonics …, 2016 - Wiley Online Library
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 …