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dc.contributor.authorGuay, Philippe
dc.contributor.authorHébert, Nicolas Bourbeau
dc.contributor.authorTourigny-Plante, and Alex
dc.contributor.authorMichaud-Belleau, Vincent
dc.contributor.authorGenest, Jérôme
dc.date.accessioned2021-07-12T06:34:32Z
dc.date.available2021-07-12T06:34:32Z
dc.date.issued2021-08-25
dc.identifier.citationGuay, P., Hébert, N. B., Tourigny-Plante, A., Michaud-Belleau, V., & Genest, J. (2021). Correcting photodetector nonlinearity in dual-comb interferometry. Optics Express, 29(18), 29165. doi:10.1364/oe.435701
dc.identifier.doi10.1364/OE.435701
dc.identifier.urihttp://hdl.handle.net/10754/670130
dc.description.abstractPhotodetector nonlinearity, the main limiting factor in terms of optical power in the detection chain, is corrected to improve the signal-to-noise ratio of a short-time measurement in dual-comb spectroscopy. An iterative correction algorithm minimizing out-of-band spectral artifacts based on nonlinearity correction methods used in classical Fourier-transform spectrometers is presented. The exactitude of the nonlinearity correction is validated using a low power linear measurement. Spectroscopic lines of H$^{12}$CN are provided and the error caused by the saturation of the detector is corrected yielding residuals limited by the measurement noise.
dc.description.sponsorshipThe authors thank Ian Coddington at NIST for providing the dual-comb system
dc.description.sponsorshipFunding. This work was supported by Natural Sciences and Engineering Research Council of Canada (NSERC), Fonds de Recherche du Québec - Nature et Technologies (FRQNT) and the Office of Sponsored Research (OSR) at King Abdullah University of Science and Technology (KAUST) via the Competitive Research Grant (CRG) program with grant # OSR-CRG2019-4046
dc.publisherarXiv
dc.relation.urlhttps://arxiv.org/pdf/2107.02138.pdf
dc.rightsArchived with thanks to arXiv
dc.titleCorrecting photodetector nonlinearity in dual-comb interferometry
dc.typePreprint
dc.eprint.versionPre-print
dc.contributor.institutionCentre d’optique, photonique et laser, Université Laval, Québec, Québec G1V 0A6, Canada
dc.contributor.institutionInstitute for Photonics and Advanced Sensing (IPAS) and School of Physical Sciences
dc.contributor.institutionUniversity of Adelaide, Adelaide, SA 5005, Australia
dc.identifier.arxivid2107.02138
kaust.grant.numberOSR-CRG2019-4046
dc.date.published-online2021-08-25
dc.date.published-print2021-08-30
dc.date.posted2021-07-05


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