Microcombs Simplify Optical Atomic Clocks

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atomic clocks

Phys Org

•

Science

Microcomb chips show potential for centimeter-level GPS precision

Summary

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88% Informative

Optical atomic clocks can increase the precision of time and geographic position a thousandfold in our mobile phones, computers, and GPS systems.

They are currently too large and complex to be widely used in society.

Researchers from Purdue University , U.S. , and Chalmers University of Technology , Sweden , have developed a technology that could make ultra-precise optical atomic clocks significantly smaller and more accessible.

The research is published in the journal Nature Photonics .

"We hope that future advances in materials and manufacturing techniques can further streamline the technology, bringing us closer to a world where ultra-precise timekeeping is a standard feature in our mobile phones and computers," says Victor Torres Company . More information: Kaiyi Wu et al, Vernier microcombs for integrated optical atomic clocks, Nature Photonics ( 2025 ). DOI: 10.1038 /s41566-025-01617-0 Provided by Chalmers University of TechnologyThis story was originally published on Phys.org . Subscribe to our newsletter for the latest sci-tech news updates..

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English

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