A few years ago, researchers in Michal Lipson's lab noticed something remarkable. They were working on a project to improve ...

While developing LiDAR technology, scientists unexpectedly discovered how to generate multiple laser colors from a single ...

Columbia University engineers have created a chip that transforms a single high-power laser into dozens of stable light ...

Scientists in Michal Lipson’s lab have achieved a breakthrough in silicon photonics frequency combs, creating high-power frequency combs on a single chip — a feat that could dramatically improve data ...

Researchers at Columbia have created a chip that turns a single laser into a “frequency comb,” producing dozens of powerful light channels at once. Using a special locking mechanism to clean messy ...

Cornell researchers have built a programmable optical chip that can change the color of light by merging photons, without ...

Size is important, but the correct size for the TV-frequency band is most important. The simplest antenna is a half-wave ...

Hypergap materials reveal a second transparent region above the bandgap, overturning assumptions about optical limits and ...

Purple brings out the most focused and enthusiastic devotion of all the colors. What is it about purple and purple lovers ...

In a stunning leap for quantum optics, scientists have generated ultrafast light pulses whose quantum uncertainty can be ...

The new method relies on a femtosecond laser tuned to the resonant mid-IR wavelength of collagen, the protein known to be a ...