Photodetector nonlinearity in dual-comb interferometry

Philippe Guay; Nicolas Bourbeau Hébert; Alex Tourigny-Plante; Vincent Michaud-Belleau; Jérôme Genest

doi:10.1364/AIS.2021.JW4E.7

OSA Optical Sensors and Sensing Congress 2021 (AIS, FTS, HISE, SENSORS, ES)
OSA Technical Digest (Optica Publishing Group, 2021),
paper JW4E.7
•https://doi.org/10.1364/AIS.2021.JW4E.7

Photodetector nonlinearity in dual-comb interferometry

Philippe Guay, Nicolas Bourbeau Hébert, Alex Tourigny-Plante, Vincent Michaud-Belleau, and Jérôme Genest

Optics and Photonics for Sensing the Environment 2021

Washington, DC United States
19–23 July 2021
ISBN: 978-1-943580-90-3

From the session
Joint Frequency Comb Sensing IV (Joint ES, FTS, Sensors) (JW4E)

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P. Guay, N. B. Hébert, A. Tourigny-Plante, V. Michaud-Belleau, and J. Genest, "Photodetector nonlinearity in dual-comb interferometry," in OSA Optical Sensors and Sensing Congress 2021 (AIS, FTS, HISE, SENSORS, ES), S. Buckley, F. Vanier, S. Shi, K. Walker, I. Coddington, S. Paine, K. Lok Chan, W. Moses, S. Qian, P. Pellegrino, F. Vollmer, G. , J. Jágerská, R. Menzies, L. Emmenegger, and J. Westberg, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper JW4E.7.

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Abstract

Nonlinearity of a commercial balanced photodetector is explained and corrected for dual-comb interferograms to yield high signal-to-noise ratio for short time measurements even in the case of a fully saturated detector.

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