Optical properties of erbium and thulium co-doped in tellurite glasses for the S+C band optical amplification

Yasutake Ohishi; Tutomu Fumita; Hiroki Yamauchi; Takenobu Suzuki

doi:10.1117/12.630420

24 October 2005 Optical properties of erbium and thulium co-doped in tellurite glasses for the S+C band optical amplification

Yasutake Ohishi, Tutomu Fumita, Hiroki Yamauchi, Takenobu Suzuki

Author Affiliations +

Proceedings Volume 6014, Active and Passive Optical Components for WDM Communications V; 601417 (2005) https://doi.org/10.1117/12.630420
Event: Optics East 2005, 2005, Boston, MA, United States

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⁺

Citation Download Citation

Yasutake Ohishi, Tutomu Fumita, Hiroki Yamauchi, and Takenobu Suzuki "Optical properties of erbium and thulium co-doped in tellurite glasses for the S+C band optical amplification", Proc. SPIE 6014, Active and Passive Optical Components for WDM Communications V, 601417 (24 October 2005); https://doi.org/10.1117/12.630420

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