Femtosecond laser written optical waveguide amplifier in phospho-tellurite glass
- T. Toney Fernandez
- S. M. Eaton
- MARTINEZ VAZQUEZ, REBECA
- M. Irannejad
- G. Jose
- A. Jha
- DELLA VALLE, GIUSEPPE
- CERULLO, GIULIO NICOLA
- OSELLAME, ROBERTO
- LAPORTA, PAOLO
DOIAbstract
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
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