Advances in optical metalenses

A Arbabi, A Faraon - Nature Photonics, 2023 - nature.com
Optical metalenses—two-dimensional arrays of submicrometre scatterers that collectively
focus light—have experienced growing research interest in recent years as they can realize …

Revolutionary meta-imaging: from superlens to metalens

T Li, C Chen, X Xiao, J Chen, S Hu, S Zhu - Photonics Insights, 2023 - spiedigitallibrary.org
The refractive-lens technique has been well developed over a long period of evolution,
offering powerful imaging functionalities, such as microscopes, telescopes, and …

High-resolution metalens imaging polarimetry

Z Huang, Y Zheng, J Li, Y Cheng, J Wang, ZK Zhou… - Nano …, 2023 - ACS Publications
Imaging polarimeters find many critical applications in applications ranging from remote
sensing to biological detection. Metasurfaces have been proposed as a compact approach …

Metasurface-empowered snapshot hyperspectral imaging with convex/deep (CODE) small-data learning theory

CH Lin, SH Huang, TH Lin, PC Wu - Nature communications, 2023 - nature.com
Hyperspectral imaging is vital for material identification but traditional systems are bulky,
hindering the development of compact systems. While previous metasurfaces address …

Disordered metasurface enabled single-shot full-Stokes polarization imaging leveraging weak dichroism

Q Fan, W Xu, X Hu, W Zhu, T Yue, F Yan, P Lin… - Nature …, 2023 - nature.com
Polarization, one of the fundamental properties of light, is critical for certain imaging
applications because it captures information from the scene that cannot directly be recorded …

Directional terahertz holography with thermally active Janus metasurface

B Chen, S Yang, J Chen, J Wu, K Chen, W Li… - Light: Science & …, 2023 - nature.com
Dynamic manipulation of electromagnetic (EM) waves with multiple degrees of freedom
plays an essential role in enhancing information processing. Currently, an enormous …

Toward high‐efficiency ultrahigh numerical aperture freeform metalens: from vector diffraction theory to topology optimization

D Sang, M Xu, M Pu, F Zhang, Y Guo… - Laser & Photonics …, 2022 - Wiley Online Library
Optical metasurface is a 2D array of subwavelength meta‐atoms that arbitrarily manipulates
amplitude, polarization, and wavefront of incident light, offering great advantages in …

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 …

Optical reflective metasurfaces enable spin-decoupled OAM and focusing

J Xin, Z Du, Z Zhou, Z Song - Physical Chemistry Chemical Physics, 2023 - pubs.rsc.org
Due to the physically unrestricted set of orthogonally helical modes of orbital angular
momentum (OAM), it has contributed significantly to wireless communication and information …

[PDF][PDF] All-optical controlled-NOT logic gate achieving directional asymmetric transmission based on metasurface doublet

Y Huang, T Xiao, S Chen, Z Xie, J Zheng… - Opto-Electronic …, 2023 - researching.cn
Optical logic gates play important roles in all-optical logic circuits, which lie at the heart of the
next-generation optical computing technology. However, the intrinsic contradiction between …