A widely tunable 10-µm quantum cascade laser phase-locked to a state-of-the-art mid-infrared reference for precision molecular spectroscopy

Abstract : We report the coherent phase-locking of a quantum cascade laser (QCL) at 10-µm to the secondary frequency standard of this spectral region, a CO2 laser stabilized on a saturated absorption line of OsO4. The stability and accuracy of the standard are transferred to the QCL resulting in a line width of the order of 10 Hz, and leading to our knowledge to the narrowest QCL to date. The locked QCL is then used to perform absorption spectroscopy spanning 6 GHz of NH3 and methyltrioxorhenium, two species of interest for applications in precision measurements.
Type de document :
Article dans une revue
Applied Physics Letters, American Institute of Physics, 2014, 104, pp.264101
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https://hal.archives-ouvertes.fr/hal-00973136
Contributeur : Anne Amy-Klein <>
Soumis le : vendredi 4 avril 2014 - 01:05:22
Dernière modification le : jeudi 11 janvier 2018 - 06:18:11
Document(s) archivé(s) le : vendredi 4 juillet 2014 - 10:42:20

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  • HAL Id : hal-00973136, version 1
  • ARXIV : 1404.1162

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Papa Sow, Sinda Mejri, Sean Tokunaga, Olivier Lopez, Andrey Goncharov, et al.. A widely tunable 10-µm quantum cascade laser phase-locked to a state-of-the-art mid-infrared reference for precision molecular spectroscopy. Applied Physics Letters, American Institute of Physics, 2014, 104, pp.264101. 〈hal-00973136〉

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