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

Optical metalenses—two-dimensional arrays of submicrometre scatterers that collectively
focus light—have experienced growing research interest in recent years as they can realize …

Metalenses are attractive alternatives to conventional bulky refractive lenses owing to their
superior light-modulating performance and sub-micrometre-scale thicknesses; however …

Optical encryption is a promising approach to protecting secret information owing to the
advantages of low-power consumption, parallel, high-speed, and multi-dimensional …

Recent years have witnessed promising artificial intelligence (AI) applications in many
disciplines, including optics, engineering, medicine, economics, and education. In particular …

It is a grand challenge for an imaging system to simultaneously obtain multi-dimensional
light field information, such as depth and polarization, of a scene for the accurate perception …

Over the past years, broadband achromatic metalenses have been intensively studied due
to their great potential for applications in consumer and industry products. Even though …

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 …

Control over the dispersion of the refractive index is essential to the performance of most
modern optical systems. These range from laboratory microscopes to optical fibres and even …

Diffractive liquid-crystal optics is a promising optical element for virtual reality (VR) and
mixed reality as it provides an ultrathin formfactor and lightweight for human factors and …