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 **ao, 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 …

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 …

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 …

Neural network assisted high-spatial-resolution polarimetry with non-interleaved chiral metasurfaces

C Chen, X **ao, X Ye, J Sun, J Ji, R Yu… - Light: Science & …, 2023‏ - nature.com
Polarimetry plays an indispensable role in modern optics. Nevertheless, the current
strategies generally suffer from bulky system volume or spatial multiplexing scheme …

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 …

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

Y Huang, T **ao, S Chen, Z **e, 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 …

All‐optical multiplexed meta‐differentiator for tri‐mode surface morphology observation

X Liang, Z Zhou, Z Li, J Li, C Peng, H Cui… - Advanced …, 2023‏ - Wiley Online Library
Current optical differentiators are generally limited to realizing a single differential function
once fabricated. Herein, a minimalist strategy in designing multiplexed differentiators (1st …