Tagkoudi, EiriniGrassani, DavideYang, FanBrès, Camille Sophie2021-01-112021-01-112021-01-112021-01-11https://infoscience.epfl.ch/handle/20.500.14299/174570We demonstrate simultaneous detection of acetylene, methane and ethane using milliwatt-level dispersive-wave generated in a Si3N4 waveguide covering 2900 cm-1-3380 cm-1 spectral region. This simple mid-IR absorption spectroscopy scheme achieves hundreds of ppm detection limit.nonlinear Optics-Integrated Opticssupercontinuum generationabsorption spectroscopyMulti-gas spectroscopy using tailored mid-IR dispersive wave generated in Si3N4 waveguidetext::conference output::conference proceedings::conference paper