“…and Er 3+ -doped telluride glass (Berneschi et al, 2007b), achieving unprecedented control over the refractive index changes of the substrate. Moreover, irradiation with swift heavy ions have been also used to produce waveguides in a wide number of materials, like LiNbO 3 (Olivares et al, 2005b(Olivares et al, , 2007bChen, 2009b;Dong et al, 2011a), KGW (García-Navarro et al, 2006), KLTN (Ilan et al, 2006), BGO , Nd:YAG (Ren et al, 2010a(Ren et al, , 2011a, Nd:GdCOB (Ren et al, 2011b), a-SiO 2 (Manzano et al, 2010), c-SiO 2 (Manzano-Santamaría et al, 2012) and chalcogenide glasses , allowing a fast fabrication of high-quality waveguides. In this section we briefly review the fabrication and properties of ion implanted waveguides in various materials, emphasizing the most recent results.…”