A. Mobini and  K. Saghafi and  V. Ahmadi,  Increasing Directional Intensity of Output Light Beam from Photonic Crystal Slab Outlet Including Micro Cavity Resonators.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2009, vol. 34(10). 1807 - 1809
    [viewed 06 July 2020]. Available from: https://publications.waset.org/pdf/14691.