With rapid advances in high-speed communication and computation, augmented reality
(AR) and virtual reality (VR) are emerging as next-generation display platforms for deeper …

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 …

Structured light refers to the arbitrarily tailoring of optical fields in all their degrees of freedom
(DoFs), from spatial to temporal. Although orbital angular momentum (OAM) is perhaps the …

Lightweight, miniaturized optical imaging systems are vastly anticipated in these fields of
aerospace exploration, industrial vision, consumer electronics, and medical imaging …

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 …

INTRODUCTION Polarization describes the path along which light's electric field vector
oscillates. An essential quality of electromagnetic radiation, polarization is often omitted in its …

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

Light detection and ranging (LiDAR) sensors enable precision sensing of an object in 3D.
LiDAR technology is widely used in metrology, environment monitoring, archaeology, and …

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 …

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 …