title: Active waveguides written by femtosecond laser irradiation in an erbium-doped phospho-tellurite glass.
abstract: We report on fs-laser micromachining of active waveguides in a new erbium-doped phospho-tellurite glass by means of a compact cavity-dumped Yb-based writing system. The spectroscopic properties of the glass were investigated, and the fs-laser written waveguides were characterized in terms of passive as well as active performance. In particular, internal gain was demonstrated in the whole C+L band of optical communications (1530- 1610 nm).
authors.affiliation: Dipartimento di Fisica, Politecnico di Milano, Piazza L da Vinci 32, 20133 Milano, Italy.
authors.forename: T Toney
authors.initials: TT
authors.lastname: Fernandez
authors.forename: G
authors.initials: G
authors.lastname: Della Valle
authors.forename: R
authors.initials: R
authors.lastname: Osellame
authors.forename: G
authors.initials: G
authors.lastname: Jose
authors.forename: N
authors.initials: N
authors.lastname: Chiodo
authors.forename: A
authors.initials: A
authors.lastname: Jha
authors.forename: P
authors.initials: P
authors.lastname: Laporta
mesh_terms: D000669:Amplifiers, Electronic; D003198:Computer Simulation; D017076:Computer-Aided Design; D004867:Equipment Design; D019544:Equipment Failure Analysis; D004871:Erbium / Q000737:chemistry* / Q000528:radiation effects; D005898:Glass / Q000737:chemistry* / Q000528:radiation effects; D007834:Lasers; D008962:Models, Theoretical; D055095:Optics and Photonics / Q000295:instrumentation*; D010758:Phosphorus / Q000737:chemistry* / Q000528:radiation effects; D013691:Tellurium / Q000737:chemistry*
chemical_list: D010758:Phosphorus; D004871:Erbium; C026660:tellurous acid; D013691:Tellurium