Based on the principle of super-symmetric lens with quadratic phase gradient
transformation, combined with the principle of digital coding of metasurface, we propose a …

As a branch of metasurfaces, metalens have demonstrated unparalleled potential in optical
manipulation and imaging shaping. By altering the structure of meta-atoms, metalens can …

Optical materials and devices designed based on traditional materials tend to be
monofunctional and cannot be dynamically changed according to application requirements …

On-chip manipulation of photon emission from quantum emitters (QEs) is crucial for quantum
nanophotonics and advanced optical applications. At the same time, the general design …

Optical sensing is crucial in many applications and has received widespread attention in
recent years. Transmission spectroscopy with narrow linewidth resonances is indispensable …

Vector beams have attracted widespread attention because of their unique optical
properties; in particular, their combination with tight focusing can produce many interesting …

The emergence of metasurface technology has brought innovation to the design of optical
devices, and many optical devices based on metasurface have been proposed. However …

As a two-dimensional artificial composite electromagnetic material, metasurfaces have
achieved complex control of inherent properties such as amplitude, phase, polarization, and …

A 1-bit digital programmable reflective metasurface is proposed for controlling the far-field
radiation pattern of reflected electromagnetic waves. By switching the on/off states of PIN …

Abstract Information security is particularly important in the information age. Traditional
optical encryption devices rely on phase, amplitude, and even polarization modulation, with …