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Proceedings Paper

Erbium doping of lithium niobate by the ion exchange process for high-gain optical amplifiers
Author(s): Frederico Caccavale; Vyacheslav A. Fedorov; Yuri N. Korkishko; Tamara V. Morozova; Cinzia Sada; Francesco Segato
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Paper Abstract

The erbium-lithium ion exchange is presented as a method for the erbium local doping of lithium niobate crystals. Ion exchange process is performed immersing the LiNbO3 substrates in a liquid melt, containing erbium ions; due to their high mobility, the lithium ions migrate from the crystal to the melt, and are replaced by erbium ions. A systematic analysis of the doping process is performed, and the influence of the process parameters is investigated: exchange time and temperature, crystal cut direction, composition and chemical reactivity of the Er ions liquid source. By structural (X-Ray Diffraction and Rutherford Backscattering Spectrometry), compositional (Secondary Ion Mass Spectrometry) and spectroscopic techniques (optical spectroscopy and micro-luminescence), the formation of lithium deficient phases and the incorporation of the Er ions into the LiNbO3 matrix is studied.

Paper Details

Date Published: 13 April 2000
PDF: 10 pages
Proc. SPIE 3942, Rare-Earth-Doped Materials and Devices IV, (13 April 2000); doi: 10.1117/12.382852
Show Author Affiliations
Frederico Caccavale, INFM (Italy) and Univ. degli Studi di Milano (Italy)
Vyacheslav A. Fedorov, Moscow Institute of Electronic Technology (Russia)
Yuri N. Korkishko, Moscow Institute of Electronic Technology (Russia)
Tamara V. Morozova, Moscow Institute of Electronic Technology (Russia)
Cinzia Sada, INFM (Italy) and Univ. degli Studi di Padova (Italy)
Francesco Segato, INFM (Italy) and Univ. degli Studi di Padova (Italy)

Published in SPIE Proceedings Vol. 3942:
Rare-Earth-Doped Materials and Devices IV
Shibin Jiang, Editor(s)

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