Artificial intelligence in meta-optics

MK Chen, X Liu, Y Sun, DP Tsai - Chemical Reviews, 2022 - ACS Publications
Recent years have witnessed promising artificial intelligence (AI) applications in many
disciplines, including optics, engineering, medicine, economics, and education. In particular …

Flat optics with dispersion-engineered metasurfaces

WT Chen, AY Zhu, F Capasso - Nature Reviews Materials, 2020 - nature.com
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 …

Electrically reconfigurable non-volatile metasurface using low-loss optical phase-change material

Y Zhang, C Fowler, J Liang, B Azhar… - Nature …, 2021 - nature.com
Active metasurfaces promise reconfigurable optics with drastically improved compactness,
ruggedness, manufacturability and functionality compared to their traditional bulk …

Empowering metasurfaces with inverse design: principles and applications

Z Li, R Pestourie, Z Lin, SG Johnson, F Capasso - Acs Photonics, 2022 - ACS Publications
Conventional human-driven methods face limitations in designing complex functional
metasurfaces. Inverse design is poised to empower metasurface research by embracing fast …

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 …

Spatiotemporal light control with active metasurfaces

AM Shaltout, VM Shalaev, ML Brongersma - Science, 2019 - science.org
BACKGROUND Metasurfaces have opened up a number of remarkable new approaches to
manipulate light. These flat optical elements are constructed from a dense array of strongly …

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 …

[PDF][PDF] Graphene-empowered dynamic metasurfaces and metadevices

C Zeng, H Lu, D Mao, Y Du, H Hua, W Zhao… - Opto-Electron …, 2022 - researching.cn
Metasurfaces, with extremely exotic capabilities to manipulate electromagnetic (EM) waves,
have derived a plethora of advanced metadevices with intriguing functionalities …

Recent advances in tunable metasurfaces: materials, design, and applications

OAM Abdelraouf, Z Wang, H Liu, Z Dong, Q Wang… - ACS …, 2022 - ACS Publications
Metasurfaces, a two-dimensional (2D) form of metamaterials constituted by planar meta-
atoms, exhibit exotic abilities to tailor electromagnetic (EM) waves freely. Over the past …

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 …