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Dy3+-doped Selenide Glasses for 1.3-μm Optical Fiber Amplifiers

Published online by Cambridge University Press:  03 March 2011

Zhiyong Yang ,
Wei Chen  and
Lan Luo
Zhiyong Yang*
Affiliation:
Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, People’s Republic of China; and Graduate School of the Chinese Academy of Sciences, Beijing 100039, People’s Republic of China
Wei Chen
Affiliation:
Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, People’s Republic of China
Lan Luo
Affiliation:
Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, People’s Republic of China
*
a) Address all correspondence to this author. e-mail: yangzhiyong@mail.sic.ac.cn
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Abstract

The GexGa5Se(95−x) glasses, where x = 20, 22.5, 25, 27.5, 29.17, 30, 32.5, and 35, all doped with 0.05 mol% Dy3+ were prepared and studied. Thermal stabilities, optical properties, and 1.3 μm emission properties of the glasses were investigated. Strong fluorescence centered at 1.34 μm with a bandwidth of 92 nm was observed. Three phenomenological intensity parameters were obtained: Ω2 =12.64 × 10−20, Ω4 =2.94 × 10−20, and Ω6 =1.48 × 10−20 cm2 by Judd–Ofelt analysis. A new method estimating lifetime of overlapping energy level was introduced. Lifetimes of 520 μs were measured for the 1.3 μm transition, and the quantum efficiency was 36.8% according to the new method.

Keywords

GlassLuminescenceOptical spectroscopy
Type
Articles
Information
Journal of Materials Research , Volume 20 , Issue 9 , September 2005 , pp. 2597 - 2602
Copyright
Copyright © Materials Research Society 2005

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