Leila Motamed-Jahromi and  Mohsen Hatami and  Alireza Keshavarz ,  Equations of Pulse Propagation in Three-Layer Structure of As2S3 Chalcogenide Plasmonic Nano-Waveguides.   journal   = {International Journal of Physical and Mathematical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    September 2016, vol. 119(11). 560 - 567
    [viewed 24 October 2021]. Available from: https://publications.waset.org/pdf/10005672.