New bilayer device of titanium dioxide can control many forms of polarized light.

Optical effect is possible without the need for artificially manufactured metamaterials.

Fresnel zone plates have a high potential for astronomy, health care and consumer electronics.

New microscopy method visualizes nanostructures and their optical properties.

Infrared imaging by nonlinear up-conversion to the visible in an ultracompact lithium niobate resonant metasurface.

K-space translation strategy lets metasurfaces project multiple images without crosstalk.

New approach shows a huge potential to facilitate the miniaturization of quantum photonic devices.

New approach is using optoelectronic metasurfaces to induce local directional charge flows.