Lithium-niobate-based narrow-linewidth frequency agile integrated lasers with petahertz frequency tuning rate

Viacheslav Snigirev, Annina Riedhauser,Grigory Lihachev,Johann Riemensberger,Rui Ning Wang,Charles Mohl,Mikhail Churaev,Anat Siddharth,Guanhao Huang,Youri Popoff,Ute Drechsler,Daniele Caimi,Simon Honl,Junqiu Liu,Paul Seidler,Tobias J. Kippenberg

2023 OPTICAL FIBER COMMUNICATIONS CONFERENCE AND EXHIBITION, OFC（2023）

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摘要

We demonstrate an electro-optically tunable hybrid integrated laser self-injection locked to a mode of a heterogeneously integrated lithium-niobate-on-Damascene-silicon-nitride microresonator. An intrinsic linewidth of 3 kHz and a frequency tuning rate of 12 x 10(15) Hz/s were observed. Proof-of-principle coherent LiDAR experiments were performed. (c) 2022 The Author(s)

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