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We present a terahertz-carrier frequency comb based on Kerr-Induced Synchronization (KIS) of an Optical Frequency Comb (OFC), wherein a commercially available C-band laser harnesses an OFC tooth and captures the repetition rate (frep) of the OFC. The linear relationship between the C-band laser modulation and the OFC frep modulation enables direct transfer of the C-band laser frequency to the OFC frep. In addition, the large KIS effect bandwidth facilitates frep tuning over a wide range of frequencies. This work addresses the THz gap by providing a direct path for millimeter wave generation, utilizing CMOS-compatible fabrication techniques and off-the-shelf components.
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Michal Chojnacky, Usman Javid, Gregory Moille, Kartik Srinivasan, "Terahertz frequency comb generation from Kerr-induced synchronization," Proc. SPIE PC12871, Laser Resonators, Microresonators, and Beam Control XXVI, PC1287103 (13 March 2024); https://doi.org/10.1117/12.3002545