Bound states in the continuum (BICs) have attracted attention in photonics owing to their
interesting properties. For example, BICs can effectively confine light in a counterintuitive …

Artificial chiral nanostructures have been subjected to extensive research for their unique
chiroptical activities. Planarized chiral films of ultrathin thicknesses are in particular demand …

Photons with spin angular momentum possess intrinsic chirality, which underpins many
phenomena including nonlinear optics, quantum optics, topological photonics and …

The topological properties of an object, associated with an integer called the topological
invariant, are global features that cannot change continuously but only through abrupt …

Harnessing the power of symmetry‐protected bound states in the continuum (SP BICs) has
become a focal point in scientific exploration, promising many interesting applications in …

The low performance of sensors based on an all-dielectric metasurface limits their
application compared to metallic counterparts. Here, for the first time, an all-dielectric BIC …

Sorting orbital angular momentum (OAM) and spin angular momentum (SAM) of photons is
crucial for optical communications, optical storage, and quantum information processing …

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

Terahertz (THz) chirality pursues customizable manipulation from narrowband to
broadband. While conventional THz chirality is restricted by non-negligible linewidth and …

Recent advancements in photonic bound states in the continuum (BICs) have opened up
exciting new possibilities for the design of optoelectronic devices with improved …