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Optical gain in Er-Yb doped waveguides fabricated by femtosecond laser pulses

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8 Author(s)
Osellame, R. ; INFM, Dip. Fisica, Politecnico di Milano, Milan, Italy ; Taccheo, S. ; Cerullo, G. ; Marangoni, M.
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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

Published in:

Electronics Letters  (Volume:38 ,  Issue: 17 )