Engineering strongly chiral plasmonic lattices with achiral unit cells for sensing and photodetection

A Movsesyan, LV Besteiro, XT Kong… - Advanced Optical …, 2022 - Wiley Online Library
Although the concept of chirality has its origin in chemistry, the field of photonics is actively
exploring and utilizing it. A new family of 2D chiral lattices constructed from fully achiral unit …

Chiral lattice resonances in 2.5-dimensional periodic arrays with achiral unit cells

L Cerdán, L Zundel, A Manjavacas - ACS photonics, 2023 - ACS Publications
Lattice resonances are collective electromagnetic modes supported by periodic arrays of
metallic nanostructures. These excitations arise from the coherent multiple scattering …

Nanostructured materials for circular dichroism and chirality at the nanoscale: towards unconventional characterization

E Petronijevic, A Belardini, G Leahu, R Li Voti… - Optical Materials …, 2022 - opg.optica.org
In this work, we review the last attempts to use nanostructured materials for the
enhancement of the chiro-optical effects at the nanoscale. Starting from the numerical …

[HTML][HTML] Applications of electromagnetic metasurfaces in Three-Dimensional Imaging: A review

H Duan, Z Li, Q Gao, X Liu - Materials & Design, 2024 - Elsevier
Abstract Three-dimensional (3D) imaging technology has demonstrated its ability to capture
spatial information beyond the capabilities of two-dimensional (2D) imaging, drawing …

Demonstration of extrinsic chirality in self-assembled asymmetric plasmonic metasurfaces and nanohole arrays

E Petronijevic, T Cesca, C Scian, G Mattei, RL Voti… - Scientific Reports, 2024 - nature.com
Chirality, the lack of mirror symmetry, can be mimicked in nanophotonics and plasmonics by
breaking the symmetry in light-nanostructure interaction. Here we report on versatile use of …

Extrinsic Chirality and Circular Dichroism at Visible Frequencies Enabled by Birefringent α-MoO3 Nanoscale-Thick Films: Implications for Chiro-Optical Control

E Petronijevic, SA Dereshgi… - ACS Applied Nano …, 2022 - ACS Publications
Nanophotonics community has shown great interest in 2D materials because of their unique
properties of electromagnetic field manipulation. Many of these materials exhibit strong …

[HTML][HTML] Flexible engineering of circular dichroism enabled by chiral surface lattice resonances

S Qiao, Q Liang, X Zhang, X Liu, S Feng, CY Ji, H Guo… - APL Photonics, 2022 - pubs.aip.org
Engineering the chiroptical responses of artificial nanostructures is vital for realizing
applications in the fields of optical devices, enantioselective separation, and bio-sensing …

Tailoring directional chiral emission from molecules coupled to extrinsic chiral quasi-bound states in the continuum

M Liang, LC Andreani, AM Berghuis, JL Pura… - Photonics …, 2024 - opg.optica.org
We investigate the chiral emission from non-chiral molecules coupled to metasurfaces with a
unit cell formed by dimers of detuned and displaced Si nanodisks. The detuning and …

Wide-angle high-performance polarizers based on all-elliptical-metamaterial one-dimensional photonic crystals

Y She, Z Cheng, H Li, S Hu, Y Zheng, F Wu - Physica Scripta, 2023 - iopscience.iop.org
As a class of all-dielectric metamaterials, elliptical metamaterials (EMMs) with elliptical iso-
frequency curves provide a lossless platform to manipulate light with unity efficiency. Herein …

Extrinsic chirality tailors Stokes parameters in simple asymmetric metasurfaces

E Petronijevic, T Cesca, C Scian, G Mattei, RL Voti… - Nanoscale, 2024 - pubs.rsc.org
Metasurfaces tailor electromagnetic confinement at the nanoscale and can be appropriately
designed for polarization-dependent light–matter interactions. Adding the asymmetry degree …