Harvard engineers unveiled the world's first visible-spectrum metasurfaces—ultra-thin, flat devices patterned with nanoscale ...

But, what if you want your camera to take photos of the full light spectrum? This is particularly useful for astrophotography, where infrared light dramatically adds to the effect. Generally ...

Called a Cascaded-mode interferometer, it is a single waveguide on a silicon-on-insulator platform that can create multiple ...