Mode-resolved, shot noise limited, dual-comb spectroscopy with independent free running lasers

Mathieu Walsh; Mathieu Walsh; Peter Chang; Florian Emaury; Gregory Rieker; Nathan Newbury; Fabrizio Giorgetta; Fabrizio Giorgetta; Scott Diddams; Jérôme Genest; Jérôme Genest

doi:10.1364/AIS.2023.JTh1A.1

Optica Sensing Congress 2023 (AIS, FTS, HISE, Sensors, ES)
Technical Digest Series (Optica Publishing Group, 2023),
paper JTh1A.1
•https://doi.org/10.1364/AIS.2023.JTh1A.1

Mode-resolved, shot noise limited, dual-comb spectroscopy with independent free running lasers

Mathieu Walsh, Peter Chang, Florian Emaury, Gregory Rieker, Nathan Newbury, Fabrizio Giorgetta, Scott Diddams, and Jérôme Genest

Applied Industrial Spectroscopy 2023

Munich Germany
30 July–3 August 2023
ISBN: 978-1-957171-24-1

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Joint Postdeadline Paper Session (JTh1A)

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M. Walsh, P. Chang, F. Emaury, G. Rieker, N. Newbury, F. Giorgetta, S. Diddams, and J. Genest, "Mode-resolved, shot noise limited, dual-comb spectroscopy with independent free running lasers," in Optica Sensing Congress 2023 (AIS, FTS, HISE, Sensors, ES), Technical Digest Series (Optica Publishing Group, 2023), paper JTh1A.1.

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Abstract

We report comb-tooth resolved dual comb spectroscopy using independent free running mode-locked lasers. No locking electronics or auxiliary referencing setup are used. We also demonstrate that shot noise dominates all acquired interferogram samples, with a detected power level of several milliwatts. Work of the US Government and not subject to copyright.

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