Dual-Wavelength ϕ-OFDR Using a Hybrid-Integrated Laser Stabilized to an Integrated SiN Coil Resonator

2024/10/31 by Mohamad Hossein Idjadi, Stefano Grillanda, Idjadi, Mohamad Hossein +25
Engineering · Physics and Astronomy · #Advanced Fiber Laser Technologies #FOS: Physical sciences #Laser-Matter Interactions and Applications #Optics (physics.optics) #Solid State Laser Technologies

paper · pdf · doi:10.48550/arxiv.2411.00237

openalex publication_date 2024/10/31 · openalex created_date 2024/11/14 · openalex updated_date 2026/07/28

Abstract

We demonstrate dual-wavelength distributed acoustic sensing over 37 km of standard single-mode fiber using ϕ-OFDR, utilizing a scalable hybrid-integrated dual-wavelength laser chip frequency-locked to a high-Q integrated SiN coil resonator.

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