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 …

Metasurfaces are planar photonic elements composed of subwavelength nanostructures,
which can deeply interact with light and exploit new degrees of freedom (DOF) to manipulate …

Wide field-of-view (FOV) optical functionality is crucial for implementation of advanced
imaging and image projection devices. Conventionally, wide FOV operation is attained with …

Advances in polarization optics and integrated photonics require fundamentally new
polarization‐managing strategies allowing for efficient generation and complete control over …

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

By coding meta-atom with discrete phase, electromagnetic wavefront can be flexibly
manipulated with the pre-designed coding sequence. In this work, transmissive …

Recent rapid progress in metasurfaces is underpinned by the physics of local and nonlocal
resonances and the modes coupling among them, leading to tremendous applications such …

The achievable functionalities of metasurfaces are mainly determined by the capability of
their unit cells to control the local electromagnetic responses. To realize full control over …

Recent advances in artificial subwavelength structures promise the realization of ultrathin,
lightweight, and flat metalens, providing a potential candidate for traditional bulky and …

In the past centuries, the scale of engineering optics has evolved toward two opposite
directions: one is represented by giant telescopes with apertures larger than tens of meters …