[CTuP6B] MIR and THz Comb

[CTuP6B-02] Quantum Cascade Laser Frequency Comb for Comb-Calibrated Spectroscopy in the Long-Wave Infrared

*Kenichi N. Komagata¹, Michele Gianella², Pierre Jouy³, Filippos Kapsalidis⁴, Mehran Shahmohammadi⁴, Mattias Beck⁴, Renaud Matthey¹, Valentin J. Wittwer¹, Andreas Hugi³, Jérôme Faist⁴, Lukas Emmenegger², Thomas Südmeyer¹, Stéphane Schilt¹ (1. Lab. Temps-Fréquence, Univ. de Neuchâtel (Switzerland), 2. Lab. for Air Pollution / Environmental Tech., Empa (Switzerland), 3. IRsweep AG (Switzerland), 4. Inst. for Quantum Electronics, ETH Zurich (Switzerland))

[Presentation Style] Onsite

We demonstrate the suitability of mid-infrared quantum cascade laser frequency combs as highly-accurate frequency references. We exploit a fully-stabilized quantum cascade laser frequency comb to perform spectroscopy with 100-kHz frequency accuracy at 7.7 μm.