Metamaterials, as artificially structured materials composed of subwavelength arrays of
resonant unit cells, can exhibit exotic properties beyond those accessible to natural …

Optical metasurfaces with subwavelength thickness hold considerable promise for future
advances in fundamental optics and novel optical applications due to their unprecedented …

Spatial light modulators (SLM), capable of dynamically and spatially manipulating
electromagnetic waves, have reshaped modern life in projection display and remote …

A quasi-bound state in the continuum (QBIC) has unique attraction in optical switch,
nonlinearity, communication, and sensing due to its ultrahigh radiation quality (Q) factor. The …

Signal conversion plays an important role in many applications such as communication,
sensing, and imaging. Realizing signal conversion between optical and microwave …

Optical logic operations lie at the heart of optical computing, and they enable many
applications such as ultrahigh-speed information processing. However, the reported optical …

Breakthroughs in the field of object recognition facilitate ubiquitous applications in the
modern world, ranging from security and surveillance equipment to accessibility devices for …

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

Bound state in the continuum (BIC) is a mathematical concept with an infinite radiative
quality factor (Q) that exists only in an ideal infinite array of resonators. In photonics, it is …

In past decades, terahertz radiation, which locates between microwave and far‐infrared light
in the electromagnetic spectrum, has attracted more and more attention. Various passive …