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Hybrid-Integrated Dual-Wavelength Laser Frequency Locked to an Integrated Coil-Resonator for Optical Fiber Sensing

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posted on 2024-10-12, 16:00 authored by Mohamad Hossein Idjadi, Stefano Grillanda, Nicolas Fontaine, Kaikai Liu, Kwangwoong Kim, Tzu-Yung Huang, Cristian Bolle, Rose Kopf, Mark Cappuzzo, Daniel J. Blumenthal
We demonstrate dual-frequency stabilization of a hybrid-integrated multi-channel laser to an integrated high Q-factor silicon nitride (SiN) coil resonator with more than 40 dB frequency noise suppression. The frequency locked channels are utilized for a proof-of-concept fiber sensing experiment.

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