Achieving perfect absorption in few-layer two-dimensional (2D) materials plays a crucial role
in applications such as optoelectronics and sensing. However, the underlying mechanisms …

Symmetry-protected bound states in the continuum (SP-BICs) are one of the most intensively
studied BICs. Typically, SP-BICs must be converted into quasi-BICs (QBICs) by breaking the …

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 …

High quality (Q) factor optical resonators are indispensable for many photonic devices.
While very large Q-factors can be obtained theoretically in guided-mode settings, free-space …

Optical metasurfaces have revolutionized analog computing and image processing at
subwavelength scales with faster speed and lower power consumption. They typically …

Metasurfaces have recently emerged as a promising technological platform, offering
unprecedented control over light by structuring materials at the nanoscale using two …

Bound states in the continuum (BIC) have garnered considerable attention recently for their
unique capacity to confine electromagnetic waves within an open or non-Hermitian system …

Bound states in the continuum (BIC) promote strong interaction between light and matter,
which has been introduced into the metasurfaces to achieve ultra‐high Q resonance and …

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 discovery of bound states in the continuum (BIC) of optical nanostructures has garnered
significant research interest and found widespread application in the field of optics, leading …