Sakakura, Masaaki Sawano, Tsutomu Shimotsuma, Yasuhiko Miura, Kiyotaka Hirao, Kazuyuki Media 1: Fabrication of three-dimensional 1 × 4 splitter waveguides inside a glass substrate with spatially phase modulated laser beam Originally published in Optics Express on 07 June 2010 (oe-18-12-12136) glass substrate;media;Optics Express;07 June 2010;waveguide;Fabrication;laser beam;phase;splitter;oe 2010-06-07
    https://opticapublishing.figshare.com/articles/media/Media_1_Fabrication_of_three-dimensional_1_4_splitter_waveguides_inside_a_glass_substrate_with_spatially_phase_modulated_laser_beam/4940933
10.1364/OE.18.012136.m001