BACKGROUND Nanoscale optics is usually associated with plasmonic structures made of
metals such as gold or silver. However, plasmonics suffers from high losses of metals …

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 …

Optical metasurfaces have developed as a breakthrough concept for advanced wave‐front
engineering enabled by subwavelength resonant nanostructures. However, reflection and/or …

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 prospect of creating metamaterials with optical properties greatly exceeding the
parameter space accessible with natural materials has been inspiring intense research …

Flat optical devices thinner than a wavelength promise to replace conventional free-space
components for wavefront and polarization control. Transmissive flat lenses are particularly …

Augmented reality (AR) display, which superimposes virtual images on ambient scene, can
visually blend the physical world and the digital world and thus opens a new vista for human …

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 …

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