Multidimensional phase singularities in nanophotonics

J Ni, C Huang, LM Zhou, M Gu, Q Song, Y Kivshar… - Science, 2021 - science.org
BACKGROUND Optical vortices provide one of the promising solutions for enhancing the
capacity of data multiplexing to meet an unprecedented growth in big data and internet traffic …

Nanophotonic approaches for chirality sensing

LA Warning, AR Miandashti, LA McCarthy, Q Zhang… - ACS …, 2021 - ACS Publications
Chiral nanophotonic materials are promising candidates for biosensing applications
because they focus light into nanometer dimensions, increasing their sensitivity to the …

[HTML][HTML] Miniature optoelectronic compound eye camera

ZY Hu, YL Zhang, C Pan, JY Dou, ZZ Li, ZN Tian… - Nature …, 2022 - nature.com
Inspired by insect compound eyes (CEs) that feature unique optical schemes for imaging,
there has recently been growing interest in developing optoelectronic CE cameras with …

[HTML][HTML] Optical spatiotemporal vortices

C Wan, A Chong, Q Zhan - eLight, 2023 - Springer
Spatiotemporal vortices of light, featuring transverse orbital angular momentum (OAM) and
energy circulation in the spatiotemporal domain, have received increasing attention recently …

[HTML][HTML] Orbital angular momentum of twisted light: chirality and optical activity

KA Forbes, DL Andrews - Journal of Physics: Photonics, 2021 - iopscience.iop.org
Optical activity is conventionally understood as a natural difference in the optical responses
of chiral materials with opposite handedness. It stems from the quantised spin angular …

Observation of perfectly-chiral exceptional point via bound state in the continuum

Z Zhou, B Jia, N Wang, X Wang, Y Li - Physical Review Letters, 2023 - APS
Chirality is one of the fundamentals of nature with strong ties to asymmetry. In wave physics,
it is conventionally characterized by asymmetric scattering of circularly polarized waves but …

Giant helical dichroism of single chiral nanostructures with photonic orbital angular momentum

J Ni, S Liu, G Hu, Y Hu, Z Lao, J Li, Q Zhang, D Wu… - ACS …, 2021 - ACS Publications
Optical activity, demonstrating the chiral light-matter interaction, has attracted tremendous
attention in both fundamental theoretical research and advanced applications of high …

Light–matter interaction empowered by orbital angular momentum: Control of matter at the micro-and nanoscale

A Porfirev, S Khonina, A Kuchmizhak - Progress in Quantum Electronics, 2023 - Elsevier
Orbital angular momentum (OAM) of light is an important feature of structured
electromagnetic fields exhibiting non-uniform spatial distribution. In contrast to a spin …

[HTML][HTML] Dynamical and topological properties of the spin angular momenta in general electromagnetic fields

P Shi, L Du, A Yang, X Yin, X Lei, X Yuan - Communications Physics, 2023 - nature.com
Spin angular momenta play important roles in light–matter interactions, leading to the
emergence of the spin Hall effect and topological quasiparticles in modern optics. The …

[HTML][HTML] Polarization-directed growth of spiral nanostructures by laser direct writing with vector beams

X Lu, X Wang, S Wang, T Ding - Nature Communications, 2023 - nature.com
Chirality is pivotal in nature which attracts wide research interests from all disciplines and
creating chiral matter is one of the central themes for chemists and material scientists …