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Femtosecond laser written optical waveguide amplifier in phospho-tellurite glass
T Toney Fernandez1, S M Eaton, G Della Valle
1Instituto di Fotonica e Nanotecnologie del CNR, Dipartimento di Fisica del Politecnico di Milano, Milano, Italy.
Optics Express
|October 14, 2010
Abstract:
We report on the first demonstration of an optical waveguide amplifier in phospho-tellurite glass providing net gain at 1.5 μm. The device was fabricated using a high repetition rate femtosecond laser and exhibited internal gain across 100-nm bandwidth covering the entire C + L telecom bands.

