Silicon photonics-based laser system for high performance fiber sensing

S. Ayotte; D. Faucher; A. Babin; F. Costin; C. Latrasse; M. Poulin; É. G.-Deschênes; F. Pelletier; M. Laliberté

doi:10.1117/12.2191728

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28 September 2015 Silicon photonics-based laser system for high performance fiber sensing

S. Ayotte, D. Faucher, A. Babin, F. Costin, C. Latrasse, M. Poulin, É. G.-Deschênes, F. Pelletier, M. Laliberté

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Proceedings Volume 9634, 24th International Conference on Optical Fibre Sensors; 963413 (2015) https://doi.org/10.1117/12.2191728
Event: International Conference on Optical Fibre Sensors (OFS24), 2015, Curitiba, Brazil

Abstract

We present a compact four-laser source based on low-noise, high-bandwidth Pound-Drever-Hall method and optical phase-locked loops for sensing narrow spectral features. Four semiconductor external cavity lasers in butterfly packages are mounted on a shared electronics control board and all other optical functions are integrated on a single silicon photonics chip. This high performance source is compact, automated, robust, operates over a wide temperature range and remains locked for days. A laser to resonance frequency noise of 0.25 Hz/rt-Hz is demonstrated.

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S. Ayotte, D. Faucher, A. Babin, F. Costin, C. Latrasse, M. Poulin, É. G.-Deschênes, F. Pelletier, and M. Laliberté "Silicon photonics-based laser system for high performance fiber sensing ", Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 963413 (28 September 2015); https://doi.org/10.1117/12.2191728

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