Title :
Optical gain in Er-Yb doped waveguides fabricated by femtosecond laser pulses
Author :
Osellame, R. ; Taccheo, S. ; Cerullo, G. ; Marangoni, M. ; Polli, D. ; Ramponi, R. ; Laporta, P. ; De Silvestri, S.
Author_Institution :
INFM, Dip. Fisica, Politecnico di Milano, Milan, Italy
fDate :
8/15/2002 12:00:00 AM
Abstract :
Er-Yb doped waveguides at 1.5 μm fabricated by femtosecond laser pulses are reported. Demonstrated is a Gaussian mode-profile, low propagation loss and internal gain in a 25 mm-long waveguide used as the active element in a standard waveguide-amplifier setup
Keywords :
erbium; high-speed optical techniques; laser beams; laser modes; optical fabrication; optical losses; optical waveguides; waveguide lasers; ytterbium; 1.5 micron; 25 mm; Er,Yb-doped waveguides; Gaussian mode-profile; active element; femtosecond laser pulses; internal gain; low propagation loss; standard waveguide-amplifier setup; waveguide;
Journal_Title :
Electronics Letters
DOI :
10.1049/eL:20020649
