Optical metasurfaces with high quality factors (Q-factors) of chiral resonances can boost
substantially light-matter interaction for various applications of chiral response in ultrathin …

We demonstrate that rotationally symmetric chiral metasurfaces can support sharp
resonances with the maximum optical chirality determined by precise shaping of bound …

Metasurfaces without a mirror symmetry may exhibit chiral electromagnetic response that
differs substantially from any type of polarization transformation. A typical design of chiral …

Artificial nanostructures, whose spatial symmetry can be arbitrarily designed, play an ever
more critical role for the realization of giant chiral optical responses. In order to break the …

Chirality, the absence of mirror symmetry, is predominant in nature. The chiral nature of the
electromagnetic field behaves differently with chiral matter for left circularly polarized and …

Chiro-optical effects offer a wide range of potential applications in nanophotonics, such as
advanced imaging and molecular sensing and separation. Flat single-layer metasurfaces …

Bound states in the continuum (BIC) have recently attracted great attention in photonics.
Metasurfaces with broken inversion symmetry exhibit high‐Q resonances via quasi‐BIC …

Optical metasurfaces with high-quality-factor resonances and selective chirality
simultaneously are desired for nanophotonics. Here, an all-dielectric planar chiral …

Chiral metasurfaces with pronounced reflective chiroptical responses have drawn extensive
attention as they can offer great opportunities for various chirality‐related applications …

We propose a Babinet-invertible chiral metasurface for achieving dynamically reversible and
strong circular dichroism (CD). The proposed metasurface is composed of a VO_2–metal …