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Proceedings Paper

Spectroscopic properties of Tm[sup]3+[/sup] ions in Tm[sup]3+[/sup]/Yb[sup]3+[/sup] codoped tellurite glass
Author(s): Qingjie Huang; Qingpu Wang; Jun Chang; Xingyu Zhang; Zejin Liu
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Paper Abstract

Absorption coefficience of Tm3+ ions in Tm 3+ /Yb3+ codoped tellurite glass have been analyzed by using the J-O theory. The J-O parameters are calculated to be Ω2 = 11.11×10-20 cm2, Ω4 = 3.5×10-20 cm2 and Ω6 = 3.6×10-20 cm2. Spontaneous radiative transition probabilities, branching ratios and radiative life time of Tm3+ ions are also calculated, the calculation results indicate that it is difficult to get S-band amplification through single 808 nm laser pump in this glass, this is tested by 808 nm single wavelength pump experiment. The Yb3+ codoping with Tm3+ and energy transfer process between them make 980 nm single wavelength pump scheme possible to get S-band amplification, experiment results indicate that 980 nm pump energy absorbed by Yb3+ is transferred to Tm3+, consequently, the low cost 980 nm pump scheme could make it become promising material for S-band amplification.

Paper Details

Date Published: 2 December 2009
PDF: 8 pages
Proc. SPIE 7630, Passive Components and Fiber-based Devices VI, 76301B (2 December 2009); doi: 10.1117/12.852126
Show Author Affiliations
Qingjie Huang, Shandong Univ. (China)
Qingpu Wang, Shandong Univ. (China)
Jun Chang, Shandong Univ. (China)
Xingyu Zhang, Shandong Univ. (China)
Zejin Liu, National Univ. of Defense Technology (China)

Published in SPIE Proceedings Vol. 7630:
Passive Components and Fiber-based Devices VI
Perry P. Shum, Editor(s)

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