A review of the last attempts to use nanostructured materials for the enhancement of the chiro-optical effects at the nanoscale is presented. It can be noted a separate branch of nanophotonic design which focuses on near-field chirality for sensing applications.
E. Petronijevic, et al. Nanostructured materials for circular dichroism and chirality at the nanoscale: towards unconventional characterization [invited]. Opt. Mater. Express 12, 2724-2746 (2022).