Gas spectroscopy using low threshold mid-infrared radiation generated in Si3N4 waveguides

Tobias Kippenberg, Camille Sophie Brès, Davide Grassani, Hairun Guo, Eirini Tagkoudi, Fan Yang
2019
Conference paper

Abstract

We report trace-gas absorption spectroscopy based on the efficient generation of a 3.05μm dispersive wave in a Si3N4 waveguide pumped by a 2.09 μm femtosecond mode-locked fiber laser

Official source

https://infoscience.epfl.ch/record/265778?ln=en

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Gas spectroscopy using low threshold mid-infrared radiation generated in Si3N4 waveguides

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