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Proceedings Paper

Optical properties of erbium and thulium co-doped in tellurite glasses for the S+C band optical amplification
Author(s): Yasutake Ohishi; Tutomu Fumita; Hiroki Yamauchi; Takenobu Suzuki
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Paper Abstract

Optical spectroscopic properties of Er3+ and Tm3+ ions in new niobium tellurite glasses, Te02-Ba0-Sr0-Nb205 (TBSN), were investigated for (S+C)-band optical amplifications. On the basis of consideration for cross-relaxation among Tm3+ions and multi-phonon relaxation, it was shown that the presence of Nb205, which was source of the highest energy phonon, contributed to relaxation processes in TBSN glasses. The C-band amplification transition for Er3+ and the S-band amplification transition for Tm3+ are both sufficiently efficient in TBSN glasses and the Er3+-Tm3+ co-doped TBSN fibers could be efficient seamless (S+C)-band amplification media by selecting the concentrations of Er3+ and Tm3+

Paper Details

Date Published: 25 October 2005
PDF: 9 pages
Proc. SPIE 6014, Active and Passive Optical Components for WDM Communications V, 601417 (25 October 2005); doi: 10.1117/12.630420
Show Author Affiliations
Yasutake Ohishi, Toyota Technological Institute (Japan)
Tutomu Fumita, Toyota Technological Institute (Japan)
Hiroki Yamauchi, Toyota Technological Institute (Japan)
Takenobu Suzuki, Toyota Technological Institute (Japan)


Published in SPIE Proceedings Vol. 6014:
Active and Passive Optical Components for WDM Communications V
Achyut K. Dutta; Yasutake Ohishi; Niloy K. Dutta; Jesper Moerk, Editor(s)

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