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 …

BACKGROUND Optical vortices provide one of the promising solutions for enhancing the
capacity of data multiplexing to meet an unprecedented growth in big data and internet traffic …

As one of the most ideal display approaches, holographic 3-dimensional (3D) display has
always been a research hotspot since the holographic images reproduced in such system …

The field of 3D micro‐optics is rapidly expanding, and essential advances in femtosecond
laser direct‐write 3D multi‐photon lithography (MPL, also known as two‐photon or multi …

The term Poincaré beam, which describes the space-variant polarization of a light beam
carrying spin angular momentum (SAM) and orbital angular momentum (OAM), plays an …

The physical basis of a smart city, the wireless channel, plays an important role in
coordinating functions across a variety of systems and disordered environments, with …

Projecting high-quality three-dimensional (3D) scenes via computer-generated holography
is a sought-after goal for virtual and augmented reality, human–computer interaction and …

The three primary colour model, ie, red, green, and blue model, based on the colour
perception of the human eye, has been widely used in colour imaging. The most common …

Tailoring light properties using metasurfaces made of optically thin and subwavelength
structure arrays has led to a variety of innovative optical components with intriguing …

With the explosive growth of mathematical optimization and computing hardware, deep
neural networks (DNN) have become tremendously powerful tools to solve many …