Applications of bound states in the continuum in photonics
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 …
interesting properties. For example, BICs can effectively confine light in a counterintuitive …
Planar chiral metasurfaces with maximal and tunable chiroptical response driven by bound states in the continuum
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 …
substantially light-matter interaction for various applications of chiral response in ultrathin …
Dynamics of topological polarization singularity in momentum space
The polarization singularity in momentum space has recently been discovered as a new
class of topological signatures of Bloch modes in photonic crystal slabs concerning the far …
class of topological signatures of Bloch modes in photonic crystal slabs concerning the far …
Optical polarization manipulations with anisotropic nanostructures
Over the past few decades, metasurfaces have revolutionized conventional bulky optics by
providing an effective approach to manipulate optical waves at the subwavelength scale …
providing an effective approach to manipulate optical waves at the subwavelength scale …
Observation of perfectly-chiral exceptional point via bound state in the continuum
Chirality is one of the fundamentals of nature with strong ties to asymmetry. In wave physics,
it is conventionally characterized by asymmetric scattering of circularly polarized waves but …
it is conventionally characterized by asymmetric scattering of circularly polarized waves but …
Uncovering maximum chirality in resonant nanostructures
Chiral nanostructures allow engineering of chiroptical responses; however, their design
usually relies on empirical approaches and extensive numerical simulations. It remains …
usually relies on empirical approaches and extensive numerical simulations. It remains …
Realizing tunable evolution of bound states in the continuum and circularly polarized points by symmetry breaking
Bound states in the continuum (BICs) and circularly polarized points (C points), being well-
known momentum-space polarization singularities in photonic crystal (PhC) slabs, have …
known momentum-space polarization singularities in photonic crystal (PhC) slabs, have …
Controllable perfect chiral optical response in planar metasurfaces empowered by quasi-bound states in the continuum
Z Huang, J Wang, W Jia, S Zhang, C Zhou - Optics Express, 2024 - opg.optica.org
Chiral metasurfaces with strong chirality and high quality factors (Q-factors) have become
essential components for achieving strong light-matter interactions and have a wide range of …
essential components for achieving strong light-matter interactions and have a wide range of …
Polarization singularities of photonic quasicrystals in momentum space
We report the observation of polarization singularities in momentum space of 2D photonic
quasicrystal slabs. Supercell approximation and band-unfolding approach are applied to …
quasicrystal slabs. Supercell approximation and band-unfolding approach are applied to …
Steerable chiral optical responses unraveled in planar metasurfaces via bound states in the continuum
QK Liu, Y Li, Z Lu, Y Zhou, WM Liu, XQ Luo, XL Wang - Physical Review B, 2023 - APS
Chiral metasurfaces, with appealing properties for studying light-matter interactions at the
nanoscale, have emerged as a promising platform for the realization of chiral optical …
nanoscale, have emerged as a promising platform for the realization of chiral optical …