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Columbia's Mini Chip Revolutionizes Laser Light for Faster Data

10/23/2025

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Summary

Story summary

Columbia University researchers have developed a chip-sized frequency comb that splits laser light into multiple colors, enabling faster data transmission, as detailed in a recent study.
The discovery occurred while exploring improvements in Light Detection and Ranging (LiDAR).
The breakthrough allows replacing expensive, powerful lasers with a compact device.
It could boost efficiency in AI data centers and other technologies such as spectrometers and LiDAR systems.

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Story summary

Columbia University researchers have developed a chip-sized frequency comb that splits laser light into multiple colors, enabling faster data transmission, as detailed in a recent study.
The discovery occurred while exploring improvements in Light Detection and Ranging (LiDAR).
The breakthrough allows replacing expensive, powerful lasers with a compact device.
It could boost efficiency in AI data centers and other technologies such as spectrometers and LiDAR systems.