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 …

Optical metasurfaces are thin‐layer subwavelength‐patterned structures that interact
strongly with light. Metasurfaces have become the subject of several rapidly growing areas …

However, the nonlinear behavior of chiral metamaterials with intensity-sensitive optical
properties or wave mixing characteristics, has thus far received rather scant attention. Of the …

Because of its high surface and interface sensitivity, the nonlinear optical technique of
second harmonic generation (SHG) is a designated method for investigating nanostructured …

Chiral plasmonic nanostructures, those lacking mirror symmetry, can be designed to
manipulate the polarization of incident light resulting in chiroptical (chiral optical) effects …

Plasmonics is the study of the collective oscillations of free electrons in metals that can be
resonantly excited at optical frequencies. These oscillations exhibit unique optical properties …

Nanostructures with chiral features have a wide range of applications in circular polarizers,
optical modulators, and optoelectronic devices. In this study, we designed a three …

Circular dichroism in optical second harmonic generation (CD-SHG) is studied in planar
symmetrical arrays of G-shaped and mirror-G-shaped nanostructures. Anisotropic CD-SHG …

Chiral planar metamaterials are known for their possibility to show strong nonlinear optical
effects such as second harmonic generation (SHG) circular dichroism or asymmetric SHG …

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 …