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 …

Artificial neural networks enabled by nanophotonics

Q Zhang, H Yu, M Barbiero, B Wang… - Light: Science & …, 2019 - nature.com
The growing demands of brain science and artificial intelligence create an urgent need for
the development of artificial neural networks (ANNs) that can mimic the structural, functional …

Applications and impacts of nanoscale thermal transport in electronics packaging

RJ Warzoha, AA Wilson… - Journal of …, 2021 - asmedigitalcollection.asme.org
This review introduces relevant nanoscale thermal transport processes that impact thermal
abatement in power electronics applications. Specifically, we highlight the importance of …

Wavelength-tunable infrared chiral metasurfaces with phase-change materials

H Tang, L Stan, DA Czaplewski, X Yang, J Gao - Optics Express, 2023 - opg.optica.org
Optical phase-change materials exhibit tunable permittivity and switching properties during
phase transition, which offers the possibility of dynamic control of optical devices. Here, a …

Switchable active phase modulation and holography encryption based on hybrid metasurfaces

H Zhou, Y Wang, X Li, Q Wang, Q Wei, G Geng… - …, 2020 - degruyter.com
Metasurfaces are planar devices containing delicately designed nanoantenna or resonator
arrays that allow for beam shaping, super resolution imaging, and holography. Hybrid …

Supramolecular azopolymers for dynamic surface microstructures using digital polarization optics

J Strobelt, M Van Soelen, H Abourahma… - Advanced Optical …, 2023 - Wiley Online Library
Thin film supramolecular azopolymers support the all‐optical generation of dynamic surface
microstructures. Using a spatial light modulator (SLM) illuminated at 488 nm, structured …

Low power reconfigurable multilevel nanophotonic devices based on Sn-doped Ge2Sb2Te5 thin films

P Lazarenko, V Kovalyuk, P An, S Kozyukhin, V Takáts… - Acta Materialia, 2022 - Elsevier
In the past years, Ge 2 Sb 2 Te 5 has been considered a promising functional material for a
variety of reconfigurable multilevel devices, including photonic integrated circuits for the post …

Optical wavefront shaping based on functional metasurfaces

Q Wei, L Huang, T Zentgraf, Y Wang - Nanophotonics, 2020 - degruyter.com
Regarded as a kind of smart surfaces, metasurfaces can arbitrarily tailor the amplitude,
phase, and polarization of light. Metasurfaces usually consist of subwavelength …

Direct single-pass writing of two-phase binary diffraction gratings in a Ge2Sb2Te5 thin film by femtosecond laser pulses

MP Smayev, PI Lazarenko, IA Budagovsky… - Optics & Laser …, 2022 - Elsevier
The formation of alternating amorphous-crystalline structures on the surface of Ge 2 Sb 2 Te
5 thin film upon the single-pass direct writing by a femtosecond laser beam was …

Tunable thermochromic graphene metamaterials with iridescent color

J Han, KT Lin, H Lin, KT Lau, B Jia - Nano Letters, 2022 - ACS Publications
Thermochromic materials have been widely applied in energy-efficient buildings,
aerospace, textiles, and sensors. Conventional thermochromic materials rely on material …