What question did this study set out to answer?

This research explores the generation of Kerr soliton microcombs for terahertz communications.

February 16, 2026

Self-Injection-Locked Kerr Soliton Microcombs With Photonic Wire Bonds For Use in Terahertz Communications

YCYung Chen HPHuanfa Peng DFDengyang FangKarlsruhe Institute of Technology

Key Points

This research explores the generation of Kerr soliton microcombs for terahertz communications.
Demonstrated single-soliton Kerr-comb generators.
Utilized photonic wire bonds to connect Si3N4 resonators and InP pump lasers.
Generated a carrier frequency of 0.302 THz for transmission.
Achieved wireless transmission at a rate of 160 Gbit/s.
Successfully transmitted over a distance of 55 m.

Abstract

We demonstrate single-soliton Kerr-comb generators, exploiting photonic wire bonds to connect Si3N4 resonators and self-injection-locked InP pump lasers. The assembly is used to generate a 0.302 THz carrier for 160 Gbit/s wireless transmission over 55 m.

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