Structured light has proven useful for numerous photonic applications. However, the current
use of structured light in optical fiber science and technology is severely limited by mode …

Varifocal lenses, conventionally implemented by changing the axial distance between
multiple optical elements, have a wide range of applications in imaging and optical beam …

Evolving from metamaterials, optical metasurfaces not only inherit their unprecedented
flexibility in tailoring light–matter interaction but also the generally fixed response …

Spatial light modulators (SLMs) play essential roles in various free-space optical
technologies, offering spatio-temporal control of amplitude, phase, or polarization of light …

Relative to conventional phase‐modulation optical elements, metasurfaces (ie, 2D versions
of metamaterials) have shown novel optical phenomena and promising functionalities with …

Rapidly developing augmented reality, solid-state light detection and ranging (LIDAR), and
holographic display technologies require spatial light modulators (SLMs) with high …

This review focuses on the control over the degrees of freedom (DOF) in metasurfaces,
which include the input DOF (the polarization, wavelength and incident angle of the input …

With their ultrathin characteristics as well as the powerful and flexible capabilities of
wavefront modulation, optical metasurfaces have brought a new understanding of the …

Metasurfaces are ushering in an era of multifunctional control over optical wavefronts
realized with ultrathin planarized devices. Recent advances have been enabling …

Over the past years, photonic metasurfaces have demonstrated their remarkable and
diverse capabilities in advanced control over light propagation. Here, we demonstrate that …