News tagged with frequency comb

A dash of gold improves microlasers

Gold. The word brings to mind wedding rings, buried treasure and California in the 1840's. But when gold is reduced to 1/100,000 the size of a human hair, it takes on an entirely new personality.

dateOct 06, 2017 in Optics & Photonics
shares213 comments 2

One laser is enough

Gases in the environment can be spectroscopically probed fast and precisely using so-called dual frequency combs. Researchers at ETH have now developed a method by which such frequency combs can be created much more simply ...

dateMay 12, 2017 in Optics & Photonics
shares21 comments 0