Single- and double energy N+ ion irradiated planar optical waveguides in Er: Tungsten–tellurite oxide glass and sillenite type Bismuth Germanate crystals working up to telecommunications wavelengths
Keywords: بیضه سنجی طیف سنجی; Planar optical waveguides; Ion implantation; Two-energy irradiation; Er-doped tungsten–tellurite glass; Sillenite type BGO; M-line spectroscopy; Spectroscopic ellipsometry