Here, a non-volatile optically controllable metasurface is theoretically investigated at the
operating wavelength of 1.55 μm by utilizing low loss phase-change Ge_2Sb_2Se_4Te_1 …

With the progress of science and technology, optical structure materials and devices
developed based on subwavelength artificial micro-nanostructures, such as metamaterials …

Novel Fabry-Pérot resonator-based compound Huygens' structure with two all-dielectric
metasurface layers is proposed and experimentally demonstrated. This design consists of …

Resonant optical phased arrays are a promising way to reach fully reconfigurable
metasurfaces in the optical and near-infrared (NIR) regimes with low energy consumption …

An all-dielectric Huygens' transmit-array is proposed and experimentally demonstrated in
the 120-GHz-band. The proposed transmit-array is fabricated using a high-precision laser …

The dynamic steering of a beam reflected from a photonic structure supporting Tamm
plasmon polariton is demonstrated. The phase and amplitude of the reflected wave are …

Materials of which the refractive indices can be thermally tuned or switched, such as in
chalcogenide phase-change alloys, offer a promising path towards the development of …

The control of a lens's numerical aperture has potential applications in areas such as
photography and imaging, displays, sensing, laser processing and even laser-implosion …

Metasurfaces based on chalcogenide phase-change materials offer a highly promising route
towards the realization of non-volatile reconfigurable metasurfaces. However, since their …

Optical phased array (OPA) has emerged as a promising technology for a wide range of
applications ranging from LIDAR for autonomous vehicles, space communication, laser …