Optical atomic clocks have the potential to improve timekeeping and GPS accuracy by a factor of 1,000, enhancing the precision of mobile phones, computers, and navigation systems. However, their large size and complexity have prevented widespread use outside of research labs.
Now, scientists from Purdue University (USA) and Chalmers University of Technology (Sweden) have developed a breakthrough technology using on-chip microcombs. This innovation could dramatically shrink optical atomic clock systems, making them more practical and accessible. The result? Major advancements in navigation, autonomous vehicles, and geospatial monitoring.
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