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New photonic architectures for mid-infrared gas sensors integrated on silicon
[article]
2017
arXiv
pre-print
This work focuses on optical multiplexers for mid-IR broadband source in gas sensing application. The design of multiplexer configurations based on two types of diffraction gratings is discussed. Owing to utility of Gaussian approximation of the field and Fourier Optics, we developed a semi-analytical tool allowing to evaluate the responses of array waveguide grating (AWG) and planar concave grating (PCG). This approach also opened the way to implement numerical phase error analysis by
arXiv:1709.08922v1
fatcat:suhgp4344nh47neut6n6ktigku