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

页码：181 / 186

页数：6

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