All-dielectric metamaterials and metasurfaces have been demonstrated as ideal platforms to
manipulate electromagnetic waves and enhance light–matter interaction. Analogous to …

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 …

Bound states in the continuum (BICs) offer novel mechanisms to boost the quality factor (Q‐
factor) of resonances. Unfortunately, current studies on chiral BICs metasurfaces suffer from …

Circularly polarized light sources with free-space directional emission play a key role in
chiroptics, spintronics, valleytronics and asymmetric photocatalysis. However, conventional …

Optical bound states in the continuum (BICs) are exotic topological defects in photonic
crystal slabs, carrying polarization topological vortices in momentum space. The topological …

Structural symmetry plays a pivotal role in the emergence of symmetry-protected bound
states in the continuum (BICs), often observed at the Γ-point within the first Brillouin zone …

Exciton–polaritons derived from the strong light–matter interaction of an optical bound state
in the continuum with an excitonic resonance can inherit an ultralong radiative lifetime and …

Metasurfaces have recently risen to prominence in optical research, providing unique
functionalities that can be used for imaging, beam forming, holography, polarimetry, and …

Bound states in the continuum (BICs), which are confined optical modes exhibiting infinite
quality factors and carrying topological polarization configurations in momentum space …

The quest for realizing novel fundamental physical effects and practical applications in
ambient conditions has led to tremendous interest in microcavity exciton polaritons working …