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 …

Optical metasurfaces—subwavelength-patterned surfaces that interact strongly with light—
have been an active area of research for more than a decade. The field has been driven by …

Structured light (SL)-based depth-sensing technology illuminates the objects with an array of
dots, and backscattered light is monitored to extract three-dimensional information …

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 …

Optical metasurfaces with subwavelength thickness hold considerable promise for future
advances in fundamental optics and novel optical applications due to their unprecedented …

Here we present a roadmap on Photonic metasurfaces. This document consists of a number
of perspective articles on different applications, challenge areas or technologies underlying …

Dispersion results from the variation of index of refraction as well as electric field
confinement in sub-wavelength structures. It usually results in efficiency decrease in …

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

Spatiotemporal sculpturing of light pulse with ultimately sophisticated structures represents a
major goal of the everlasting pursue of ultra-fast information transmission and processing as …

As the two most representative operation modes in an optical imaging system, bright-field
imaging and phase contrast imaging can extract different morphological information on an …