Photonics Research, 2016, 4 (3): 03000106, Published Online: Sep. 29, 2016  

Optimizing the design of GaAs/AlGaAs thin-film waveguides for integrated mid-infrared sensors Download: 731次

Author Affiliations
Institute of Analytical and Bioanalytical Chemistry, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, Germany
Abstract
Optical simulations of GaAs/AlGaAs thin-film waveguides were performed for investigating the dependence of the modal behavior on waveguide geometry and the resulting analytical sensitivity. Simulations were performed for two distinct mid-infrared wavelengths, thereby demonstrating the necessity of individually designed waveguide structures for each spectral regime of interest. Hence, the modal behavior, sensitivity, and intensity of the evanescent field were investigated via modeling studies at 1600 and 1000 cm?1, thereby confirming the utility of such simulations for designing mid-infrared sensors based on thin-film waveguide technology.

Markus Sieger, Boris Mizaikoff. Optimizing the design of GaAs/AlGaAs thin-film waveguides for integrated mid-infrared sensors[J]. Photonics Research, 2016, 4(3): 03000106.

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