Metasurfaces, which offer a diverse range of functionalities in a remarkably compact size,
have captured the interest of both scientific and industrial sectors. However, their inherent …

Metasurfaces, a two-dimensional (2D) form of metamaterials constituted by planar meta-
atoms, exhibit exotic abilities to tailor electromagnetic (EM) waves freely. Over the past …

Active metasurfaces with tunable subwavelength-scale nanoscatterers are promising
platforms for high-performance spatial light modulators (SLMs). Among the tuning methods …

Finding an optimal device structure in the vast combinatorial design space of freeform
nanophotonic design has been an enormous challenge. In this study, we propose physics …

We theoretically describe and experimentally demonstrate a graphene-integrated
metasurface structure that enables electrically-tunable directional control of thermal …

The design of wavefront-shaping devices is conventionally approached using real-
frequency modeling. However, since these devices interact with light through radiative …

Optical metasurfaces enable the manipulation of the light–matter interaction in ultrathin
layers. Compared with their metal or dielectric counterparts, hybrid metasurfaces resulting …

The current commercially viable light detection and ranging systems demand continuous,
full-scene, and dynamic two-dimensional point scanning, while featuring large aperture size …

Nanoelectromechanical devices have been used widely in many applications across
photonics, electronics, and acoustics. Their incorporation into metasurface systems could be …

Scattering-type scanning near-field optical microscope (s-SNOM) has become an essential
tool to study polaritons—quasiparticles of light coupled to collective charge oscillations—via …