Low birefringent magneto-optical waveguides fabricated via organic-inorganic sol-gel process F. Choueikani, F. Royer, S. Douadi, A. Skora, D. Jamon, D. Blanc and A. Siblini Eur. Phys. J. Appl. Phys., 47 3 (2009) 30401 Published online: 05 June 2009 DOI: 10.1051/epjap/2009096