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Laser frequency combs as Wi-Fi transmitters

In a new paper published in Optica, we propose and demonstrate a novel functionality for a semiconductor laser. Instead of using the optical output (i.e., the light) from the device, we instead investigate the spatiotemporal properties of the internal frequency comb, and in particular, its microwave beatnote.

This work may one day enable integrated and miniaturized high-speed microwave sources and modulators, a critical backbone of the communications infrastructure of the future.

See a press release from Harvard SEAS here!