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 …

Recent progress on plasmonic and dielectric chiral metasurfaces: fundamentals, design strategies, and implementation

HS Khaliq, A Nauman, JW Lee… - Advanced Optical …, 2023 - Wiley Online Library
Over the years, researchers have been exploring ways to artificially design chiral structures
and materials, namely metamaterials and metasurfaces. They exhibit unique optical …

Optical sensing by metamaterials and metasurfaces: from physics to biomolecule detection

SA Khan, NZ Khan, Y **e, MT Abbas… - Advanced Optical …, 2022 - Wiley Online Library
Metasurfaces are planar or 2D forms of metamaterials made up of arrays of antennas with a
subwavelength thickness. They have been rapidly developed in the recent years due to their …

Automatically aligned and environment-friendly twisted stacking terahertz chiral metasurface with giant circular dichroism for rapid biosensing

Z Wang, J Huang, W Liu, C **ong… - ACS Applied Materials & …, 2024 - ACS Publications
Chiral metasurfaces are capable of generating a huge superchiral field, which has great
potential in optoelectronics and biosensing. However, the conventional fabrication process …

Near‐Field Coupling Induced Less Chiral Responses in Chiral Metamaterials for Surface‐Enhanced Vibrational Circular Dichroism

C Xu, Z Ren, H Zhou, J Zhou, D Li… - Advanced Functional …, 2024 - Wiley Online Library
Chiral metamaterials play vital roles in manipulating the circular polarization of
electromagnetic waves. Although planar chiral metamaterials are believed to have no …

Dielectric dual-dimer metasurface for enhanced mid-infrared chiral sensing under both excitation modes

J Li, L Ye - Nanophotonics, 2023 - degruyter.com
Chirality (C) is a fundamental symmetry property of objects. Detecting and distinguishing
molecular chirality in the infrared spectrum is important in life sciences, biology, and …

Dielectric optical nanoantennas

MR Hasan, OG Hellesø - Nanotechnology, 2021 - iopscience.iop.org
Nanophotonics allows the manipulation of light on the subwavelength scale. Optical
nanoantennas are nanoscale elements that enable increased resolution in bioimaging …

Magnetochiroptical nanocavities in hyperbolic metamaterials enable sensing down to the few-molecule level

WOF Carvalho, ON Oliveira… - The Journal of Chemical …, 2024 - pubs.aip.org
In this work, we combine the concepts of magnetic circular dichroism, nanocavities, and
magneto-optical hyperbolic metamaterials (MO-HMMs) to demonstrate an approach for …

Nanoparticle manipulation based on chiral plasmon effects

H Li, Y Ren, M He, H Qi - Physical Chemistry Chemical Physics, 2024 - pubs.rsc.org
Chiral plasmonic structures have garnered increasing attention owing to their distinctive
chiroptical response. Localized surface plasmon resonance can significantly enhance the …

[HTML][HTML] Amplified linear and nonlinear chiral sensing assisted by anapole modes in hybrid metasurfaces

G Serrera, J González-Colsa, P Albella - Applied Physics Letters, 2024 - pubs.aip.org
The interaction between chiral molecules and circularly polarized light is largely influenced
by the local optical chirality density. This interaction prompts substantial demand of the …