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

Metamaterials and metasurfaces have inspired worldwide interest in the recent two decades
due to their extraordinary performance in controlling material parameters and …

Beam diffraction management with on‐demand efficiency over compact devices is important
in various applications, such as communications, spectroscopy, wireless power transfer, and …

Exceptional point (EP) is a special degeneracy of non-Hermitian systems. One-dimensional
transmission systems operating at EPs are widely studied and applied to chiral conversion …

The overall size of an optical system is limited by the volume of the components and the
internal optical path length. To reach the limits of miniaturization, it is possible to reduce both …

Multi‐channel modulation of Jones matrix facilitates encoding a variety of different functions
in metasurfaces. However, multiple channels are usually accompanied by a high system …

Circular dichroism (CD) spectroscopy has been extensively utilized for detecting and
distinguishing the chirality of diverse substances and structures. However, CD spectroscopy …

Littrow diffraction, the ability to reflect light back along incident direction, is a key functionality
of retroreflectors, exhibiting wide applications in nanophotonics. However, retroreflectors …

Brain‐inspired optical neural computing (ONC) is the state‐of‐the‐art scheme in modern
computing, offering robust strategies to execute advanced inference with a high throughput …

Optical wavefront engineering is essential for the development of next‐generation integrated
photonic devices. It is used for reflecting terahertz waves in a predesigned nonspecular …