The past few decades have witnessed growing research interest in developing powerful
nanofabrication technologies for three-dimensional (3D) structures and devices to achieve …

Regarded as a kind of smart surfaces, metasurfaces can arbitrarily tailor the amplitude,
phase, and polarization of light. Metasurfaces usually consist of subwavelength …

Composite vortex beams (CVBs) have attracted considerable interest recently due to the
unique optical properties and potential applications. However, these beams are mainly …

Metasurfaces possess the outstanding ability to tailor phase, amplitude, and even spectral
responses of light with an unprecedented ultrahigh resolution and thus have attracted …

Bound states in the continuum (BIC) have recently attracted great attention in photonics.
Metasurfaces with broken inversion symmetry exhibit high‐Q resonances via quasi‐BIC …

Metasurfaces, as a two-dimensional (2D) version of metamaterials, have drawn
considerable attention for their revolutionary capability in manipulating the amplitude …

In this paper, we review the existing approaches for vortex and vector beam shaping and
generation in the terahertz frequency range. The particular focus of this review is on the …

Nonlinear wavefront control is a crucial requirement in realizing nonlinear optical
applications with metasurfaces. Numerous aspects of nonlinear frequency conversion and …

Metasurfaces, benefiting from the flexibility in engineering the resonance, near-field,
symmetry, and scattering properties of individual building blocks, are promising not only for …

Phase-change materials (PCMs) have been established as prime candidates for nonvolatile
resonance tuning of nanophotonic components based on a large optical contrast between …