Infrared metasurface, especially that having a working range covering wavelengths from
0.75 to 25 μm, has been exploited as a revolutionary tool to manipulate the properties of …

In this paper, we review the generation of vortex beams carrying orbital angular momentum
in the microwave domain. We firstly present the theory of Laguerre–Gaussian beams where …

Geometric-phase metasurfaces, recently utilized for controlling wavefronts of circular
polarized (CP) electromagnetic waves, are drastically limited to the cross-polarization …

Meta-holographic encryption is a potentially important technique for information security.
Despite rapid progresses in multi-tasked meta-holograms, the number of information …

If a metalens integrates the circular polarization (CP) conversion function, the focusing lens
together with circular-polarizing lens (CPL) in traditional cameras may be replaced by a …

Electromagnetic metasurface cloaks provide an alternative paradigm toward rendering
arbitrarily shaped scatterers invisible. Most transformation-optics (TO) cloaks intrinsically …

Geometric metasurfaces primarily follow the physical mechanism of Pancharatnam–Berry
(PB) phases, empowering wavefront control of cross‐polarized reflective/transmissive light …

Recent advances in twistronics of low-dimensional materials, such as bilayer graphene and
transition-metal dichalcogenides, have enabled a plethora of unusual phenomena …

In this paper, a novel optical logic operator based on the multifunctional metasurface driven
by all‐optical diffractive neural network is reported, which can perform four principal …

The fruitful progress toward light manipulation in reflective (R) or transmissive (T) geometry
(half‐space) has facilitated strong aspiration towards full‐space wave control. Although R–T …