Over the last dozen years, the area of accelerating waves has made considerable advances
not only in terms of fundamentals and experimental demonstrations, but also in connection …

Shrinking conventional optical systems to chip-scale dimensions will benefit custom
applications in imaging, displaying, sensing, spectroscopy, and metrology. Towards this …

Dielectric metasurfaces-based planar optical spatial differentiator and edge detection have
recently been proposed to play an important role in the parallel and fast image processing …

The polarization of light is a valuable information channel that has been studied extensively
in optical devices. There has been limited progress in developing low‐refractive index …

Bending light along arbitrary curvatures is a captivating and popular notion, triggering
unprecedented endeavors in achieving diffraction-free propagation along a curved path in …

The recently proposed concept of graphene photodetectors offers remarkable properties
such as unprecedented compactness, ultrabroadband detection, and an ultrafast response …

Nonlinear phononics relies on the resonant optical excitation of infrared-active lattice
vibrations to induce targeted structural deformations in solids. This form of dynamical crystal …

Optimization methods are playing an increasingly important role in all facets of photonics
engineering, from integrated photonics to free space diffractive optics. However, efforts in the …

Airy beams exhibit intriguing properties such as nonspreading, self-bending, and self-
healing and have attracted considerable recent interest because of their many potential …

Chromatic dispersion spatially separates white light into colours, producing rainbows and
similar effects. Detrimental to imaging but essential to spectroscopy, chromatic dispersion is …