15/10/2026
📏 What if a ruler could measure light?
Researchers from the University of Auckland have helped develop a new approach to creating miniature optical frequency combs, often described as "light rulers". The research was led by Professor Miro Erkintalo, Head of our Department of Physics.
Like the markings on a school ruler, optical frequency combs create evenly spaced reference points. Instead of measuring distance, they measure the frequencies, or colours, of light with extraordinary precision. That precision underpins technologies including atomic clocks and quantum computing.
The team's breakthrough could help shrink optical frequency combs to chip scale, overcoming a key barrier to their use in everyday technologies. The research has been published in 'Nature'.
Read more: https://www.auckland.ac.nz/en/news/2026/10/08/laser-research-ultraprecise-measuring.html