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 …

Metasurfaces are one of the most promising devices to break through the limitations of bulky
optical components. By offering a new method of light manipulation based on the light …

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 …

Metasurfaces, composed of two-dimensional nanostructures, exhibit remarkable capabilities
in shaping wavefronts, encompassing phase, amplitude, and polarization. This unique …

Enhancing light–matter interaction is a key requisite in the realm of optical sensors. Bound
states in the continuum (BICs), possessing high quality factors (Q factors), have shown great …

The miniaturization of nonlinear light sources is central to the integrated photonic platform,
driving a quest for high-efficiency frequency generation and mixing at the nanoscale. In this …

High quality (Q) factor toroidal dipole (TD) resonances have played an increasingly
important role in enhancing light–matter interactions. Interestingly, TDs share a similar far …

The support of high-Q resonances in all-dielectric nanostructures are necessary for the
enhancement of light-matter interactions. By introducing some perturbations into periodic …

Nonlocal effects originating from interactions between neighboring meta-atoms introduce
additional degrees of freedom for peculiar characteristics of metadevices, such as …

Researchers have paid great attention to pursuing metal‐free nanostructures as alternatives
to metallic counterparts in the field of surface‐enhanced Raman scattering (SERS) for label …