Quantum Cascade Laser Frequency Comb for Comb-Calibrated Spectroscopy in the Long-Wave Infrared

K. N. Komagata, M. Gianella, P. Jouy,F. Kapsalidis,M. Shahmohammadi, M. Beck, R. Matthey,V. J. Wittwer,A. Hugi,J. Faist,L. Emmenegger,T. Südmeyer, S. Schilt

Optica High-brightness Sources and Light-driven Interactions Congress 2022（2022）

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摘要

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 $7.7\ \mu \mathrm{m}$ ‘ © 2022 The Author(s)

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关键词

Frequency Comb,Quantum Cascade Lasers,Phase-locked,Printed Circuit Board,Error Signal,Transition Frequency,Molecular Transition,Zero-crossing Point,Fundamental Band,Nonlinear Conversion

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