Zn-diffused LiNbO3:Er3+/Yb3+ as a waveguide laser material

被引：33
|
作者：
Lifante, G [1 ]
Cantelar, E [1 ]
Muñoz, JA [1 ]
Nevado, R [1 ]
Sanz-García, J [1 ]
Cussó, F [1 ]
机构：
[1] Univ Autonoma Madrid, Dept Fis Mat, E-28049 Madrid, Spain
来源：
OPTICAL MATERIALS | 1999年 / 13卷 / 01期
关键词：
lithium niobate; erbium; ytterbium; energy transfer; luminescence; waveguide;
D O I：
10.1016/S0925-3467(99)00028-2
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this work we present the preparation and optical studies of waveguides in LiNbO3:Er/Yb formed by Zn-diffusion. In relation to crystal growth it is found that both impurities incorporate to the crystal, with a segregation coefficient of K-eff = 1.5. Spectroscopic measurements have shown an effective energy transfer from Yb3+ to Er3+, increasing the absorption cross section in the InGaAs-diode laser pump region. Waveguides prepared by Zn diffusion show the possibility of Er3+ pumping via Yb3+ absorption within in the waveguide, without degrading the optical characteristics of the 1.5 mu m emission of the Er3+ ions. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：181 / 186
页数：6
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