Metasurfaces can modulate light with periodically arranged subwavelength scatterers, and
they can generate arbitrary wavefronts. Therefore, they can be used to realize various …

Wide field-of-view (FOV) optics are essential components in many optical systems, with
applications spanning imaging, display, sensing, and beam steering. Conventional …

Metasurfaces have opened the door to next-generation optical devices due to their ability to
dramatically modulate electromagnetic waves at will using periodically arranged …

Owing to their unique tunable optical properties, chalcogenide phase change materials are
increasingly being investigated for optics and photonics applications. However, in situ …

Metalens, a metasurface with a focusing phase, has been the focus of research due to its
immense potential for use in imaging and display technology. Traditional lens and optical …

Over the past few decades, metasurfaces have revolutionized conventional bulky optics by
providing an effective approach to manipulate optical waves at the subwavelength scale …

Long-wave infrared (LWIR, 8–12 μm wavelengths) spectral spectra are of vital importance to
thermal imaging. Conventional LWIR optics made from single-crystalline Ge and …

Active optical metasurfaces promise compact, lightweight, and energy-efficient optical
systems with unprecedented performance. Chalcogenide phase-change material …

Reconfigurable or programmable photonic devices are rapidly growing and have become
an integral part of many optical systems. The ability to selectively modulate electromagnetic …

Optical zoom is an essential function for many imaging systems including consumer
electronics, biomedical microscopes, telescopes, and projectors. However, most optical …