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

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

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

Very fast process between electrically neutral and charged luminescent particles in an ultrathin material.

An automated scheme for optical lens design looks set to enhance mobile phone cameras.

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.