Polarization, the path traced by light's electric field vector, appears in all areas of optics. In
recent decades, various technologies have enabled the precise control of light's polarization …

The constituent elements of metasurfaces may be designed with explicit polarization
dependence, making metasurfaces a fascinating platform for new polarization optics. In this …

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

Polarization plays a key role in science; hence its versatile manipulation is crucial. Existing
polarization optics, however, can only manipulate polarization in a single transverse plane …

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 …

Any arbitrary state of polarization of light beam can be decomposed into a linear
superposition of two orthogonal oscillations, each of which has a specific amplitude of the …

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 …

Controlling the polarization of light with efficient and ultra-thin devices is desirable for a
myriad of optical systems. Bianisotropic metasurfaces offer a promising alternative to …

This article reviews recent progress leading to the realization of planar optical components
made of a single layer of phase shifting nanostructures. After introducing the principles of …

A cornerstone equation of optics–Snell's law–relates the angles of incidence and refraction
for light passing through an interface between two media. It is built on two fundamental …