Metasurface-empowered optical cryptography

H Yang, K Ou, H Wan, Y Hu, Z Wei, H Jia, X Cheng… - Materials Today, 2023 - Elsevier
Abstract Information security is of great importance in every aspect of life, spawning
numerous modern cryptographic strategies to protect data from stealing and deciphering …

Map** information and light: trends of AI-enabled metaphotonics

S Lee, C Park, J Rho - Current Opinion in Solid State and Materials …, 2024 - Elsevier
A dynamic convergence between metaphotonics and artificial intelligence (AI) is underway.
In this review, AI is conceptualized as a tool for map** input and output data. From this …

Nanoimprint lithography for high-throughput fabrication of metasurfaces

DK Oh, T Lee, B Ko, T Badloe, JG Ok, J Rho - Frontiers of Optoelectronics, 2021 - Springer
Metasurfaces are composed of periodic sub-wavelength nanostructures and exhibit optical
properties that are not found in nature. They have been widely investigated for optical …

Tunable metasurfaces: the path to fully active nanophotonics

T Badloe, J Lee, J Seong, J Rho - Advanced Photonics …, 2021 - Wiley Online Library
In the field of nanophotonics, metasurfaces have come to the forefront in real‐world
applications, owing to their accessible exotic optical properties that can be readily designed …

Self‐powered humidity sensor using chitosan‐based plasmonic metal–hydrogel–metal filters

J Jang, K Kang, N Raeis‐Hosseini… - Advanced Optical …, 2020 - Wiley Online Library
A tunable Fabry–Pérot resonator is realized using metal–insulator–metal structure, in which
the insulator is chitosan hydrogel. The chitosan swells in response to changes in relative …

Geometric and physical configurations of meta‐atoms for advanced metasurface holography

J Kim, Y Yang, T Badloe, I Kim, G Yoon, J Rho - InfoMat, 2021 - Wiley Online Library
Metasurfaces consisting of subwavelength structures, so‐called meta‐atoms, have steadily
attracted considerable attention for advanced holography due to their advantages in terms of …

Ultra‐adaptable and wearable photonic skin based on a shape‐memory, responsive cellulose derivative

H Yi, SH Lee, H Ko, D Lee, WG Bae… - Advanced Functional …, 2019 - Wiley Online Library
Photonic skins enable a direct and intuitive visualization of various physical and mechanical
stimuli with eye‐readable colorations by intimately laminating to target substrates. Their …

Nearly perfect transmissive subtractive coloration through the spectral amplification of Mie scattering and lattice resonance

T Lee, J Kim, I Koirala, Y Yang, T Badloe… - … Applied Materials & …, 2021 - ACS Publications
Silicon has been utilized in metasurfaces to produce structural color filters due to its
compatibility with mature and cost-effective methods for complementary metal oxide …

Outfitting next generation displays with optical metasurfaces

I Kim, G Yoon, J Jang, P Genevet, KT Nam… - ACS photonics, 2018 - ACS Publications
Optical metasurfaces, composed of ultrathin subwavelength meta-atoms, have enabled flat-
optics and corresponding flat optical components such as ultrathin lenses, color filters, and …

[HTML][HTML] Chiroptical metasurfaces: principles, classification, and applications

J Kim, AS Rana, Y Kim, I Kim, T Badloe, M Zubair… - Sensors, 2021 - mdpi.com
Chiral materials, which show different optical behaviors when illuminated by left or right
circularly polarized light due to broken mirror symmetry, have greatly impacted the field of …