Optical frequency combs consist of a series of equally spaced spectral lines whose coherence and stability have revolutionised precision measurement, spectroscopy, telecommunications and navigation.

In the world of modern optics, frequency combs are invaluable tools. These devices act as rulers for measuring light, enabling breakthroughs in telecommunications, environmental monitoring, and even ...

Optical frequency combs are coherent light sources whose spectra consist of equally spaced lines, providing a ruler in the frequency domain. Semiconductor lasers have emerged as versatile platforms ...

Thin-film lithium niobate microresonator Raman lasing suppression methods and octave-spanning frequency combs. a, Thin-film lithium niobate microresonator Raman lasing suppression methods, including ...

Scientists on the hunt for compact and robust sources of multicolored laser light have generated the first topological frequency comb. Their result, which relies on a small silicon nitride chip ...

Researchers developed a frequency-comb-referenced terahertz Fabry-Pérot interferometry platform that measures lithium-ion battery electrode thickness with nanometer-scale precision. The method also ...

Optical frequency combs are specially designed lasers that act like rulers to accurately and rapidly measure specific frequencies of light. They can be used to detect and identify chemicals and ...

How it works: the top frequency comb is passed through a sample of interest and then into a beamsplitter. The bottom frequency comb operates at a slightly different pulse repetition frequency and is ...

The hybrid-integrated electro-optic frequency comb generator. More than 2000 comb lines covering 450nm spectrum can be generated within a footprint smaller than 1cm 2. In the world of modern optics, ...

The ultrabroadband infrared frequency comb could be used for chemical detection in portable spectrometers or high-resolution remote sensors. (Nanowerk News) Optical frequency combs are specially ...