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Structural and optical characterization of Er3+/Yb3+-doped LiNbO3

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Abstract

We report the dependence of the unit-cell parameters and the extraordinary and ordinary refractive indices of Er3+/Yb3+-codoped LiNbO3 crystals. Both properties depend in a non-monotonic manner on the Er3+/Yb3+ content. A singularity was observed at concentrations of 1.1-1.2 mol. % in the crystal (0.6-0.7 mol. % in the melt). In the same way the Er and Yb concentration influences the periodically poled lithium niobate formation. The observed behavior of refractive indices and unit-cell parameters of Er3+/Yb3+-codoped LiNbO3 crystals could be explained in terms of the RE3+-ion concentration affecting the Li-vacancy concentration and the RE3+-ion positions in the crystal.

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Authors and Affiliations

  1. Moscow Institute of Electronic Technology, Department of Materials and Technology of Solid-State Electronics, 103 498 Moscow, Zelenograd, Russia, RU

    V.A. Fedorov & Yu.N. Korkishko

  2. Departamento de Física de Materiales, C-IV, Universidad Autónoma de Madrid, 28 049 Madrid, Spain, ES

    J.A. Sanz-García, E. Cantelar, R. Nevado, G. Lifante & F. Cussó

Authors
  1. V.A. Fedorov
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  2. Yu.N. Korkishko
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  3. J.A. Sanz-García
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  4. E. Cantelar
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  5. R. Nevado
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  6. G. Lifante
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  7. F. Cussó
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Received: 21 May 2001 / Revised version: 22 August 2001 / Published online: 23 October 2001

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Fedorov, V., Korkishko, Y., Sanz-García, J. et al. Structural and optical characterization of Er3+/Yb3+-doped LiNbO3. Appl Phys B 73, 449–451 (2001). https://doi.org/10.1007/s003400100694

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  • DOI: https://doi.org/10.1007/s003400100694

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