Optical gain in Er-Yb doped waveguides fabricated by femtosecond laser pulses
- 1 January 2002
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 38 (17), 964-965
- https://doi.org/10.1049/el:20020649
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
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