Quantum cascade laser-based dual-comb spectroscopy in the mid-infrared

Jonas Westberg, Lukasz A. Sterczewski, Filippos Kapsalidis, Yves Bidaux, Johanna Wolf, Mattias Beck, Je´roˆme Faist, Gerard Wysocki

Research output: Chapter in Book/Report/Conference proceedingConference contribution


We demonstrate sub-millisecond response time dual-comb spectroscopy using quantum cascade lasers by measurements of Bromomethane and Freon 134a around 7.7 μm. The system achieves a noise-equivalent absorption of < 1×10-3 Hz-1/2 and an optical bandwidth of ~25 cm-1.

Original languageEnglish (US)
Title of host publicationCLEO
Subtitle of host publicationScience and Innovations, CLEO_SI 2018
PublisherOptica Publishing Group (formerly OSA)
ISBN (Print)9781943580422
StatePublished - 2018
EventCLEO: Science and Innovations, CLEO_SI 2018 - San Jose, United States
Duration: May 13 2018May 18 2018

Publication series

NameOptics InfoBase Conference Papers
VolumePart F94-CLEO_SI 2018
ISSN (Electronic)2162-2701


OtherCLEO: Science and Innovations, CLEO_SI 2018
Country/TerritoryUnited States
CitySan Jose

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Mechanics of Materials


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