Metasurfaces, composed of artificial meta-atoms of subwavelength size, can support strong
light–matter interaction based on multipolar resonances and plasmonics, hence offering the …

Here we present a roadmap on Photonic metasurfaces. This document consists of a number
of perspective articles on different applications, challenge areas or technologies underlying …

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 …

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 …

Here we demonstrate the efficient photon-pair generation via spontaneous parametric down
conversion from a semiconductor metasurface supporting dual quasibound states in the …

Lithium niobate (LiNbO3) is a material that has drawn great interest in nonlinear optics
because of its large nonlinear susceptibility and wide transparency window. However, for …

Intense electromagnetic fields localized within resonant photonic nanostructures provide
versatile opportunities for engineering nonlinear optical effects on a subwavelength scale …

The emerging all-dielectric platform exhibits high-quality (Q) resonances governed by the
physics of bound states in the continuum (BIC) that drives highly efficient nonlinear optical …

Here we employ the quasibound state in the continuum (quasi-BIC) resonance in all-
dielectric metasurfaces for efficient nonlinear processes in consideration of the backward …

The study of electromagnetic scattering in optics and nanophotonics is crucial for
understanding complex nanostructures and optical devices. However, numerical analysis of …