• Corpus ID: 248562667

High-Resolution Quantum Cascade Laser Dual-Comb Spectroscopy in the Mid-Infrared with Absolute Frequency Referencing

@inproceedings{Komagata2022HighResolutionQC,
  title={High-Resolution Quantum Cascade Laser Dual-Comb Spectroscopy in the Mid-Infrared with Absolute Frequency Referencing},
  author={K. Komagata and Valentin Johannes Wittwer and Thomas Sudmeyer and Lukas Emmenegger and Michele Gianella},
  year={2022}
}
Quantum cascade laser (QCL) frequency combs [1] have revolutionized mid-infrared (MIR) spectroscopy by their high brightness and fast temporal resolution [2], and are a promising tech-nology for fully-integrated and cost-effective sensors [3]. As for other integrated comb sources such as micro-combs [4] and interband cascade laser [5], QCLs have a comb spacing of several GHz, which is adequate for measurements of wide absorbing structures, typically found in liquid or solid samples [2]. However… 

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