Hu, Jonathan Menyuk, Curtis R. Media 2: Understanding leaky modes: slab waveguide revisited Originally published in Advances in Optics and Photonics on 30 January 2009 (aop-1-1-58) Advance;aop;media;Optics;30 January 2009;Photonics;slab waveguide;mode 2009-01-30
    https://opticapublishing.figshare.com/articles/media/Media_2_Understanding_leaky_modes_slab_waveguide_revisited/4910753
10.1364/AOP.1.000058.m002