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‘Ruler for light’ could enable detailed measurement in personal devices

Amir Safavi-Naeini and Hubert Stokowski

Researchers in Prof. Amir Safavi-Naeini's lab have unveiled a new type of frequency comb, a high-precision measurement device, that is innovatively small, ultra-energy efficient, and exceptionally accurate. With continued development, this breakthrough “microcomb” – which is detailed in a study published March 7 in Nature – could be the basis for mass-market adoption of the devices in everyday electronics.