Metamaterials are composed of periodic subwavelength metal/dielectric structures that
resonantly couple to the electric and/or magnetic components of the incident …

The ideal material for nanophotonic applications will have a large refractive index at optical
frequencies, respond to both the electric and magnetic fields of light, support large optical …

Metalenses consist of an array of optical nanoantennas on a surface capable of
manipulating the properties of an incoming light wavefront. Various flat optical components …

Control over the dispersion of the refractive index is essential to the performance of most
modern optical systems. These range from laboratory microscopes to optical fibres and even …

Subwavelength resolution imaging requires high numerical aperture (NA) lenses, which are
bulky and expensive. Metasurfaces allow the miniaturization of conventional refractive optics …

Among various flat optical devices, metasurfaces have presented their great ability in
efficient manipulation of light fields and have been proposed for variety of devices with …

We review the basic physics and applications of a special class of planar metamaterials,
often called metasurfaces, which are composed of optically thin and densely packed planar …

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 …

BACKGROUND Future high-performance portable and wearable optical devices and
systems with small footprints and low weights will require components with small form …

Metamaterials are composed of periodic subwavelength metallic/dielectric structures that
resonantly couple to the electric and magnetic fields of the incident electromagnetic waves …