Metasurfaces have recently risen to prominence in optical research, providing unique
functionalities that can be used for imaging, beam forming, holography, polarimetry, and …

Flat optics has emerged as a key player in the area of structured light and its applications,
owing to its subwavelength resolution, ease of integration, and compact footprint. Although …

Metasurfaces have promising potential to revolutionize a variety of photonic and electronic
device technologies. However, metasurfaces that can simultaneously and independently …

The full manipulation of intrinsic properties of electromagnetic waves has become the
central target in various modern optical technologies. Optical metasurfaces have been …

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 …

In this Letter, we demonstrate highly efficient, polarization-insensitive planar lenses
(metalenses) at red, green, and blue wavelengths (λ= 660, 532, and 405 nm). Metalenses …

In this Letter, we experimentally report an achromatic metalens (AML) operating over a
continuous bandwidth in the visible. This is accomplished via dispersion engineering of …

An optical vortex having an isolated point singularity is associated with the spatial structure
of light waves. A polarization vortex (vector beam) with a polarization singularity has …

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 vast majority of biologically active compounds, ranging from amino acids to essential
nutrients such as glucose, possess intrinsic handedness. This in turn gives rise to chiral …