Palima, D. Bañas, A. R. Vizsnyiczai, G. Kelemen, L. Ormos, P. Glückstad, J. Media 1: Wave-guided optical waveguides Originally published in Optics Express on 30 January 2012 (oe-20-3-2004) 30 January 2012;media;oe;Optics Express;Wave-guided;waveguide 2012-01-30
    https://opticapublishing.figshare.com/articles/media/Media_1_Wave-guided_optical_waveguides/4944869
10.1364/OE.20.002004.m001