Williams, Matthew O. Nathan Kutz, J. Media 2: Spatial Mode-Locking of Light Bullets in PlanarWaveguide Arrays Originally published in Optics Express on 28 September 2009 (oe-17-20-18320) 28 September 2009;Mode-Locking;media;Light Bullets;Optics Express;oe;PlanarWaveguide Arrays 2009-09-28
    https://opticapublishing.figshare.com/articles/media/Media_2_Spatial_Mode-Locking_of_Light_Bullets_in_PlanarWaveguide_Arrays/4939931
10.1364/OE.17.018320.m002