As technology advances, electrical devices such as smartphones have become more and
more compact, leading to a demand for the continuous miniaturization of optical …

Metalens, a two-dimensional planar system composed of strategically engineered
subwavelength structures, facilitates precise manipulation in the process of both light and …

We report a one-step additive manufacturing process to fabricate metalenses for visible
wavelengths. Nanostructures with aspect ratios larger than eight and critical dimensions …

Optical metasurfaces are planar arrangements of subwavelength meta-atoms that
implement a wide range of transformations on incident light. The design of efficient …

The high refractive indexes and low optical losses of dielectrics are preferred for designing
highly efficient metasurfaces with unprecedented wavefront control such as near-unity …

Varifocal lenses are essential components of dynamic optical systems with applications in
photography, mixed reality, and microscopy. Metasurface optics has strong potential for …

The inverse design of optical metasurfaces is a rapidly emerging field that has already
shown great promise in miniaturizing conventional optics as well as develo** completely …

Sub-wavelength diffractive optics, commonly known as meta-optics, present a complex
numerical simulation challenge, due to their multi-scale nature. The behavior of constituent …

Increasing the refractive index available for optical and nanophotonic systems opens new
vistas for design, for applications ranging from broadband metalenses to ultrathin …

Solar energy is an inexhaustible renewable energy resource, which is a potential solution to
global warming and aids sustainable development. The use of solar-thermal collectors to …