The achievable functionalities of metasurfaces are mainly determined by the capability of
their unit cells to control the local electromagnetic responses. To realize full control over …

During the past few years, metasurfaces have been used to demonstrate optical elements
and systems with capabilities that surpass those of conventional diffractive optics. Here, we …

Metasurfaces, composed of specifically designed subwavelength units in a two-dimensional
plane, offer a new paradigm to design ultracompact optical elements that show great …

Shared-aperture technology for multifunctional planar systems, performing several
simultaneous tasks, was first introduced in the field of radar antennas. In photonics, effective …

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

Metasurfaces exhibit promising capacities in the manipulation of electromagnetic (EM)
waves, as to diverse dimensions like amplitude, phase, and polarization; even multiple …

Advances in polarization optics and integrated photonics require fundamentally new
polarization‐managing strategies allowing for efficient generation and complete control over …

Metasurfaces are nanopatterned structures of sub-wavelength thickness. Their effective
refractive index and spectral characteristic can be tailored by material composition, intrinsic …

Metasurfaces are planar metamaterials exhibiting certain inhomogeneous phase
distributions for transmitted or reflected waves, which can efficiently reshape the wave‐fronts …

Metasurfaces are planar structures that locally modify the polarization, phase and amplitude
of light in reflection or transmission, thus enabling lithographically patterned flat optical …