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Breakthrough Astro-Combs Revolutionize Exoplanet Detection and Metrology

11/7/2025

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Summary

Story summary

Researchers at Heriot-Watt University in the United Kingdom have developed an advanced astro-comb that controls 10,000 comb lines, improving measurements of stellar motions and Earth-like exoplanet detection.
A team at the California Institute of Technology has created a chip-scale frequency comb using lithium niobate nanophotonics, employing topological solitons for stable generation.
Together, these advancements broaden frequency comb technology with potential benefits across optical communications, precision metrology, and other scientific fields.

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Story summary

Researchers at Heriot-Watt University in the United Kingdom have developed an advanced astro-comb that controls 10,000 comb lines, improving measurements of stellar motions and Earth-like exoplanet detection.
A team at the California Institute of Technology has created a chip-scale frequency comb using lithium niobate nanophotonics, employing topological solitons for stable generation.
Together, these advancements broaden frequency comb technology with potential benefits across optical communications, precision metrology, and other scientific fields.