Fibers 2013, 1(2), 11-20; doi:10.3390/fib1020011

Er3+/Ho3+-Codoped Fluorotellurite Glasses for 2.7 µm Fiber Laser Materials

1,2email, 1,2,†email, 1,†email and 1,* email
1 Key Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China 2 Graduate School of Chinese Academy of Sciences, Beijing 100039, China These authors contributed equally to this work.
* Author to whom correspondence should be addressed.
Received: 10 July 2013; in revised form: 6 August 2013 / Accepted: 12 August 2013 / Published: 16 August 2013
(This article belongs to the Special Issue Advances on Optical Fibers)
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Abstract: This work reports the enhanced emission at 2.7 µm in Er3+/Ho3+-codoped fluorotellurite glass upon a conventional 980 nm laser diode. The significantly reduced green upconversion and 1.5 µm emission intensity in Er3+/Ho3+-codoped samples are observed. The results suggest that the Er3+: 4I13/2 state can be efficiently depopulated via energy transfer from Er3+ to Ho3+ and the detailed energy transfer mechanisms are discussed qualitatively. The energy transfer efficiency from Er3+: 4I13/2 to Ho3+: 5I7 is calculated to be as high as 67.33%. The calculated emission cross-section in Er3+/Ho3+-codoped fluorotellurite glass is 1.82 × 1020 cm2. This suggests that Er3+/Ho3+-codoped fluorotellurite glass is a potential material for 2.7 µm fiber laser.
Keywords: 2.7 µm; Er3+/Ho3+-codoped; fluorotellurite glass; energy transfer mechanism

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MDPI and ACS Style

Ma, Y.; Huang, F.; Hu, L.; Zhang, J. Er3+/Ho3+-Codoped Fluorotellurite Glasses for 2.7 µm Fiber Laser Materials. Fibers 2013, 1, 11-20.

AMA Style

Ma Y, Huang F, Hu L, Zhang J. Er3+/Ho3+-Codoped Fluorotellurite Glasses for 2.7 µm Fiber Laser Materials. Fibers. 2013; 1(2):11-20.

Chicago/Turabian Style

Ma, Yaoyao; Huang, Feifei; Hu, Lili; Zhang, Junjie. 2013. "Er3+/Ho3+-Codoped Fluorotellurite Glasses for 2.7 µm Fiber Laser Materials." Fibers 1, no. 2: 11-20.

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