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

Andrew Hunter; Cristian Bolle; Daniel J. Blumenthal; David A. S. Heim; Kaikai Liu; Karl D. Nelson; Kwangwoong Kim; Mark Cappuzzo; Mikael Mazur; Mohamad Hossein Idjadi

arxiv: 2411.00237 · v1 · pith:DEXZPBDS · submitted 2024-10-31 · physics.optics

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

Mohamad Hossein Idjadi , Stefano Grillanda , Nicolas Fontaine , Mikael Mazur , Kwangwoong Kim , Tzu-Yung Huang , Cristian Bolle , Rose Kopf

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Mark Cappuzzo Kaikai Liu David A. S. Heim Andrew Hunter Karl D. Nelson Daniel J. Blumenthal

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classification physics.optics

keywords dual-wavelengthcoilhybrid-integratedintegratedlaserofdrresonatoracoustic

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

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