Rare-earth-doped fluoride-glass channel waveguides for optical amplification

被引：4

作者：

Adam, JL ^{[1
]}

Lebrasseur, E ^{[1
]}

Boulard, B ^{[1
]}

Jacquier, B ^{[1
]}

Fonteneau, G ^{[1
]}

Gao, Y ^{[1
]}

Sramek, R ^{[1
]}

Legein, C ^{[1
]}

Guy, S ^{[1
]}

机构：

[1] Univ Rennes 1, CNRS, UMR 6512, Lab Verres & Ceram, F-35042 Rennes, France

来源：

RARE-EARTH-DOPED MATERIALS AND DEVICES IV | 2000年 / 3942卷

关键词：

glass; channel waveguide; ionic exchange; physical vapor deposition; amplification; neodymium; erbium;

D O I：

10.1117/12.382850

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper focuses on the preparation and optical characterization of rare-earth-doped fluoride glass channel waveguides. Fluoride glasses are materials with unique optical properties. Because of low phonon energies of the host, emissions of rare-earth ions show higher quantum efficiencies in fluoride glasses as compared to silicates. Waveguides can be prepared by two methods. First, fluorine - chlorine anionic exchange at the surface of fluorozirconate glass, which results in gradient-index waveguides. Second, physical vapor deposition of Pb-Zn-Ga fluoride glass, which allows the preparation of step-index waveguides. Both systems can be doped with rare-earth ions. The spectroscopy of Nd3+ and Er3+ ions in both waveguide configurations is investigated and the most recent results on optical amplification around 1.05 mu m and 1.54 mu m are presented.

引用

页码：130 / 138

页数：9

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