Acoustic resonances in open systems, which are usually associated with resonant modes
characterized by complex eigenfrequencies, play a fundamental role in manipulating …

Electrochromic devices (ECDs) have attracted substantial attention on account of their
unique characteristics and prosperous applications. However, their monotonous color …

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 …

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 …

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 …

Terahertz modulators play a critical role in high-speed wireless communication, non-
destructive imaging, and so on, which have attracted a large amount of research interest …

We present nonlinear optical four-wave mixing in a silicon nanodisk dimer metasurface.
Under the oblique incident plane waves, the designed metasurface exhibits a multiresonant …

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 …