Dual-Wavelength $\phi$-OFDR Using a Hybrid-Integrated Laser Stabilized
  to an Integrated SiN Coil Resonator

Idjadi, Mohamad Hossein; Grillanda, Stefano; Fontaine, Nicolas; Mazur, Mikael; Kim, Kwangwoong; Huang, Tzu-Yung; Bolle, Cristian; Kopf, Rose; Cappuzzo, Mark; Liu, Kaikai; Heim, David A. S.; Hunter, Andrew; Nelson, Karl D.; Blumenthal, Daniel J.

doi:10.48550/arXiv.2411.00237

Dual-Wavelength $\phi$-OFDR Using a Hybrid-Integrated Laser Stabilized to an Integrated SiN Coil Resonator

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posted on 2024-11-05, 17:00 authored by Mohamad Hossein Idjadi, Stefano Grillanda, Nicolas Fontaine, Mikael Mazur, Kwangwoong Kim, Tzu-Yung Huang, Cristian Bolle, Rose Kopf, Mark Cappuzzo, Kaikai Liu, David A. S. Heim, Andrew Hunter, Karl D. Nelson, Daniel J. Blumenthal

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

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Dual-Wavelength $\phi$-OFDR Using a Hybrid-Integrated Laser Stabilized to an Integrated SiN Coil Resonator

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