Spectral properties and thermal stability of Er3+-doped oxyfluoride silicate glasses for broadband optical amplifier

被引：118

作者：

Xu, SQ ^{[1
]}

Yang, ZM ^{[1
]}

Dai, SX ^{[1
]}

Yang, JH ^{[1
]}

Hu, LL ^{[1
]}

Jiang, ZH ^{[1
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2003年 / 361卷 / 1-2期

关键词：

rare earth compounds; optical materials; thermal analysis; optical spectroscopy;

D O I：

10.1016/S0925-8388(03)00447-X

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Er3+-doped 50SiO(2)-(50-x)PbO-xPbF(2) glasses were prepared. The effect of PbF2 content on refractive indices, densities, absorption spectra, the Judd-Ofelt parameters Omega(t) (t=2,4,6), fluorescence spectra and the lifetimes of I-4(13/2) level of Er3+ in 50SiO(2)-(50-x)PbO-xPbF(2) glasses were investigated, and the stimulated emission cross-section was calculated from McCumber theory. With increasing PbF2 content in the glass composition, the Omega(6) parameter, fluorescence full width at half maximum (FWHM) and lifetimes of I-4(13/2) level of Er3+ increase, while refractive indices and densities decrease. Compared with other glass hosts, the gain bandwidth properties of Er3+-doped 50SiO(2)-50PbF(2) glass is close to those of tellurite and bismuth glasses, and has an advantage over those of silicate, phosphate and germante glasses. The broad and flat I-4(13/2) --> I-4(15/2) emission of Er3+ around 1.55 mum can be used as host material for potential broadband optical amplifier in the wavelength-division-multiplexing (WDM) network system. (C) 2003 Elsevier B.V. All rights reserved.

引用

页码：313 / 319

页数：7

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