Three-dimensional artificial chirality towards low-cost and ultra-sensitive enantioselective sensing

Y Kim, H Kim, Y Yang, T Badloe, N Jeon, J Rho - Nanoscale, 2022 - pubs.rsc.org
Artificial chiral structures have potential applications in the field of enantioselective signal
sensing. Advanced nanofabrication methods enable a large diversity in geometric structures …

Enantiospecific optical enhancement of chiral sensing and separation with dielectric metasurfaces

ML Solomon, J Hu, M Lawrence, A García-Etxarri… - ACS …, 2018 - ACS Publications
Circularly polarized light (CPL) exhibits an enantioselective interaction with chiral
molecules, providing a pathway toward all-optical chiral resolution. High index dielectric …

Enhanced chiral sensing with dielectric nanoresonators

J Garcia-Guirado, M Svedendahl, J Puigdollers… - Nano …, 2019 - ACS Publications
Chiro-sensitive molecular detection is highly relevant as many biochemical compounds, the
building blocks of life, are chiral. Optical chirality is conventionally detected through circular …

High quality factor dielectric metasurfaces for ultraviolet circular dichroism spectroscopy

J Hu, M Lawrence, JA Dionne - ACS Photonics, 2019 - ACS Publications
Chiral-optical spectroscopies, such as circular dichroism, are critical in the biomedical,
pharmaceutical, and agrochemical industries for revealing structural information about …

Fluorescence-detected circular dichroism of a chiral molecular monolayer with dielectric metasurfaces

ML Solomon, JM Abendroth… - Journal of the …, 2020 - ACS Publications
Strong enhancement of molecular circular dichroism (CD) has the potential to enable
efficient asymmetric photolysis, a method of chiral separation that has conventionally been …

Dielectric nanoantennas to manipulate solid-state light emission

S Bidault, M Mivelle, N Bonod - Journal of Applied Physics, 2019 - pubs.aip.org
Thanks to their enhanced and confined optical near-fields, broadband subwavelength
resonators have the ability to enhance the spontaneous emission rate and brightness of …

Circular dichroism-like response of terahertz wave caused by phase manipulation via all-silicon metasurface

J Li, C Zheng, G Wang, J Li, H Zhao, Y Yang… - Photonics …, 2021 - opg.optica.org
Chiral metasurfaces based on asymmetric meta-atoms have achieved artificial circular
dichroism (CD), spin-dependent wavefront control, near-field imaging, and other spin …

Optimally chiral light: Upper bound of helicity density of structured light for chirality detection of matter at nanoscale

M Hanifeh, M Albooyeh, F Capolino - ACS Photonics, 2020 - ACS Publications
We introduce the universal upper bound of helicity density, which is the maximum helicity
light can have at a given light energy density. Helicity maximization as discussed here is …

Reconfigurable chirality with achiral excitonic materials in the strong-coupling regime

PE Stamatopoulou, S Droulias, GP Acuna… - Nanoscale, 2022 - pubs.rsc.org
We introduce and theoretically analyze the concept of manipulating optical chirality via
strong coupling of the optical modes of chiral nanostructures with excitonic transitions in …

Switchable chiroptical hot-spots in silicon nanodisk dimers

X Zhao, BM Reinhard - ACS Photonics, 2019 - ACS Publications
We demonstrate uniform sign optical chirality generation in dimers of silicon (Si) nanodisks
under linear light polarization through combination of experimental spectroscopy and …