Håkansson, Andreas Sánchez-Dehesa, José Media 1: Inverse designed photonic crystal de-multiplex waveguide coupler Originally published in Optics Express on 11 July 2005 (oe-13-14-5440) Inverse;11 July 2005;media;photonic crystal de-multiplex waveguide coupler;Optics Express;oe 2005-07-11
    https://opticapublishing.figshare.com/articles/media/Media_1_Inverse_designed_photonic_crystal_de-multiplex_waveguide_coupler/4932788
10.1364/OPEX.13.005440.m001