Recent advances in ultrathin chiral metasurfaces by twisted stacking

Z Han, F Wang, J Sun, X Wang, Z Tang - Advanced Materials, 2023 - Wiley Online Library
Artificial chiral nanostructures have been subjected to extensive research for their unique
chiroptical activities. Planarized chiral films of ultrathin thicknesses are in particular demand …

Multidimensional nanoscopic chiroptics

Y Chen, W Du, Q Zhang, O Ávalos-Ovando… - Nature Reviews …, 2022 - nature.com
Nanoscopic chiroptics studies the spin-dependent asymmetric light–matter interactions at
the nanoscale, where the asymmetry can stem from the intrinsic properties of materials …

Observation of intrinsic chiral bound states in the continuum

Y Chen, H Deng, X Sha, W Chen, R Wang, YH Chen… - Nature, 2023 - nature.com
Photons with spin angular momentum possess intrinsic chirality, which underpins many
phenomena including nonlinear optics, quantum optics, topological photonics and …

Planar chiral metasurfaces with maximal and tunable chiroptical response driven by bound states in the continuum

T Shi, ZL Deng, G Geng, X Zeng, Y Zeng, G Hu… - Nature …, 2022 - nature.com
Optical metasurfaces with high quality factors (Q-factors) of chiral resonances can boost
substantially light-matter interaction for various applications of chiral response in ultrathin …

Chiral bound states in the continuum in plasmonic metasurfaces

Y Tang, Y Liang, J Yao, MK Chen, S Lin… - Laser & Photonics …, 2023 - Wiley Online Library
Bound states in the continuum (BICs) offer novel mechanisms to boost the quality factor (Q‐
factor) of resonances. Unfortunately, current studies on chiral BICs metasurfaces suffer from …

Chirality in light–matter interaction

A Lininger, G Palermo, A Guglielmelli… - Advanced …, 2023 - Wiley Online Library
The scientific effort to control the interaction between light and matter has grown
exponentially in the last 2 decades. This growth has been aided by the development of …

Electromagnetic metasurfaces: physics and applications

S Sun, Q He, J Hao, S Xiao, L Zhou - Advances in Optics and …, 2019 - opg.optica.org
Metasurfaces are ultrathin metamaterials consisting of planar electromagnetic (EM)
microstructures (eg, meta-atoms) with pre-determined EM responses arranged in specific …

Multispectral chiral imaging with a metalens

M Khorasaninejad, WT Chen, AY Zhu, J Oh… - Nano …, 2016 - ACS Publications
The vast majority of biologically active compounds, ranging from amino acids to essential
nutrients such as glucose, possess intrinsic handedness. This in turn gives rise to chiral …

Nanophotonics: shrinking light-based technology

AF Koenderink, A Alù, A Polman - Science, 2015 - science.org
The study of light at the nanoscale has become a vibrant field of research, as researchers
now master the flow of light at length scales far below the optical wavelength, largely …

Chirality and chiroptical effects in metal nanostructures: fundamentals and current trends

JT Collins, C Kuppe, DC Hooper… - Advanced Optical …, 2017 - Wiley Online Library
Throughout the 19th and 20th century, chirality has mostly been associated with chemistry.
However, while chirality can be very useful for understanding molecules, molecules are not …