We review the physics and some applications of photonic structures designed for the
realization of strong nonlinear chiroptical response. We pay much attention to the recent …

Active modulation of the polarization states of terahertz light is indispensable for polarization-
sensitive spectroscopy, having important applications such as non-contact Hall …

We discovered that chiral nanoneedles fabricated by vortex laser ablation can be used to
visualize the helicity of an optical vortex. The orbital angular momentum of light determines …

Nonlinear chiral photonics explores the nonlinear response of chiral structures, and it offers
a pathway to novel optical functionalities not accessible through linear or achiral systems …

Ultrathin active chiral metamaterials with dynamically tunable and responsive optical
chirality enable new optical sensors, modulators, and switches. Herein, we develop ultrathin …

We demonstrate circularly polarized light emission from InAs quantum dots embedded in the
waveguide region of a GaAs-based chiral nanostructure. The observed phenomenon …

Engineering the chirality of optical microcavities is a central concept of modern photonics to
gain full control the polarization of the confined electromagnetic mode. Here, we …

The optical activity of fabricated metallic nanostructures is investigated by complete
polarimetry. While lattices decorated with nanoscale gammadia etched in thin metallic films …

Asymmetric transmission of circularly polarized waves is a well-established property of
lossy, anisotropic, two-dimensionally chiral patterns. Here we show that asymmetric …

Much attention has been paid to photonic applications based on periodic media. Meanwhile,
quasi-periodic and disordered media have extended the research domain and provided …