OPTICAL-PROPERTIES OF PECVD ERBIUM-DOPED SILICON-RICH SILICA - EVIDENCE FOR ENERGY-TRANSFER BETWEEN SILICON MICROCLUSTERS AND ERBIUM IONS

被引：233

作者：

KENYON, AJ

TRWOGA, PF

FEDERIGHI, M

PITT, CW

机构：

[1] Dept. of Electron. and Electr. Eng., Univ. Coll. London

来源：

JOURNAL OF PHYSICS-CONDENSED MATTER | 1994年 / 6卷 / 21期

关键词：

D O I：

10.1088/0953-8984/6/21/007

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We report the fabrication by PECVD of silicon-rich erbium-doped silica films that exhibit both 1535 nm fluorescence and visible photoluminescence. Fluorescence spectra are presented along with absorption spectra that display a strong band edge in die blue, which we ascribe to the presence of Si microclusters. We are unable to observe characteristic Er3+ absorption bands and propose that excitation of the rare earth is via an energy transfer process from Si microclusters.

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页码：L319 / L324

页数：6

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