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MIT's Breakthrough Could Double Optical Clock Accuracy

10/18/2025

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Summary

Story summary

Researchers at the Massachusetts Institute of Technology (MIT) developed global phase spectroscopy to potentially double optical atomic clock accuracy.
The method reduces quantum noise by sending laser light through a cloud of entangled atoms.
The study, published in Nature, states that improved laser stability is crucial for accurate timekeeping.
The researchers say the method could make optical clocks transportable and usable outside laboratories for detecting dark matter.

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Story summary

Researchers at the Massachusetts Institute of Technology (MIT) developed global phase spectroscopy to potentially double optical atomic clock accuracy.
The method reduces quantum noise by sending laser light through a cloud of entangled atoms.
The study, published in Nature, states that improved laser stability is crucial for accurate timekeeping.
The researchers say the method could make optical clocks transportable and usable outside laboratories for detecting dark matter.