Nanophotonics has garnered intensive attention due to its unique capabilities in molding the
flow of light in the subwavelength regime. Metasurfaces (MSs) and photonic integrated …

The spin Hall effect (SHE) of light, as an analogue of the SHE in electronic systems, is a
promising candidate for investigating the SHE in semiconductor spintronics/valleytronics …

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

Optical analog signal processing has been gaining significant attention as a way to
overcome the speed and energy limitations of digital techniques. Metasurfaces offer a …

Graded metasurfaces exploit the local momentum imparted by an impedance gradient to
mold the impinging wave front. This approach suffers from fundamental limits on the overall …

Metasurfaces are two-dimensional structures enabling complete control on light amplitude,
phase, and polarization. Unlike plasmonic metasurfaces, silicon structures facilitate high …

The research and development of optical metasurfaces has been primarily driven by the
curiosity for novel optical phenomena that are unattainable from materials that exist in nature …

Metasurfaces are artificially structured thin films with unusual properties on demand.
Different from metamaterials, the metasurfaces change the electromagnetic waves mainly by …

Metasurfaces offer significant potential to control far-field light propagation through the
engineering of the amplitude, polarization, and phase at an interface. We report here the …

Worldwide research in microrobotics has exploded in the past two decades, leading to the
development of microrobots propelled in various manners. Despite significant advances in …