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

In recent years, terahertz waves have attracted significant attention for their promising
applications. Due to a broadband optical response, an ultra-fast relaxation time, a high …

In recent years, the concept of bound states in the continuum (BICs) in metasurfaces has
become a research focus, providing an important physical mechanism for engineering high …

Metasurfaces hold great promise for terahertz (THz) chiral-optical devices. Here, we
proposed a chiral THz metasurface with quasi-bound state in the continuum (BIC) for …

In recent years, bound states in the continuum (BICs) have attracted attention of researchers
because they are located above the light cone without leakage and have infinite lifetimes. In …

In the field of nonlinear optics, graphene has shown astounding nonlinear properties,
including the generation of harmonics across a wide frequency range. Harmonic generation …

Geometrical symmetry plays a significant role in implementing robust, symmetry-protected,
bound states in the continuum (BICs). However, this benefit is only theoretical in many cases …

Optical bound states in the continuum (BICs) have become a unique way to produce the
extreme localization and enhancement of light waves, however, it remains challenging to …

This paper investigates a remarkable second harmonic generation (SHG) conversion
efficiency with high effective nonlinear susceptibility based on metasurface, and the …

Rapid progress in nonlinear plasmonic metasurfaces enabled many novel optical
characteristics for metasurfaces, with potential applications in frequency metrology …