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 …

Optically variable devices (OVDs) are in tremendous demand as optical indicators against
the increasing threat of counterfeiting. Conventional OVDs are exposed to the danger of …

Metasurfaces are ushering in an era of multifunctional control over optical wavefronts
realized with ultrathin planarized devices. Recent advances have been enabling …

Artificial intelligence has gained significant attention for exploiting optical scattering for
optical encryption. Conventional scattering media are inevitably influenced by instability or …

Dynamic manipulation of electromagnetic (EM) waves with multiple degrees of freedom
plays an essential role in enhancing information processing. Currently, an enormous …

Computational meta-optics brings a twist on the accelerating hardware with the benefits of
ultrafast speed, ultra-low power consumption, and parallel information processing in …

Abstract Information security is of great importance in every aspect of life, spawning
numerous modern cryptographic strategies to protect data from stealing and deciphering …

Quasi-bound states in the continuum (QBICs) are Fano resonant states with long optical
lifetimes controlled by symmetry-breaking perturbations. While conventional Fano …

Holography has attracted tremendous interest due to its capability of storing both the
amplitude and phase of light field and reproducing vivid three-dimensional scenes …

Optical logic gates play important roles in all-optical logic circuits, which lie at the heart of the
next-generation optical computing technology. However, the intrinsic contradiction between …