Thanks to modern LED bulbs, light is cheaper than ever to make—except for one particular kind. Three University of Chicago scientists have announced an innovative way to create infrared light, which ...

Mid-infrared light sources serve as a key to accessing the “invisible world.” A broad range of applications, including gas detection, molecular spectroscopy, medical diagnostics, and free-space ...

Light emitters operating in the visible and near-infrared are mature, low-cost, and highly efficient, enabling their widespread use in today’s displays, communications, and smartphones. By contrast, ...

A rendering of the metasurface chip in action. When hit with an infrared laser, the microscopic chip converts the incoming light to a higher frequency and sends it out as a narrow beam that can be ...