THERMAL-PROPERTIES OF AN ERBIUM-DOPED FIBER AMPLIFIER

被引：14

作者：

MILLAR, CA ^{[1
]}

WHITLEY, TJ ^{[1
]}

FLEMING, SC ^{[1
]}

机构：

[1] UNIV LEEDS,DEPT ELECTR & ELECT ENGN,LEEDS LS2 9JT,W YORKSHIRE,ENGLAND

来源：

IEE PROCEEDINGS-J OPTOELECTRONICS | 1990年 / 137卷 / 03期

关键词：

D O I：

10.1049/ip-j.1990.0027

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The influence of temperature on the absorption, fluorescence and small-signal gain characteristics of a silica-based erbium-doped fibre is investigated. The observed changes in the fluorescence and absorption spectra are found to be consistent with a Boltzmann-type redistribution of ion populations within the manifolds of the 4I13/2:4I15/2 transition. The influence of this behaviour on the gain characteristics of a cooled fibre amplifier is studied at two particular wavelengths: 1536 and 1553 nm. Significant improvements in amplifier performance are measured at both wavelengths when pumping into the 4I9/2 absorption band at liquid-nitrogen temperatures. The gain results are related to the absorption and fluorescence changes observed on cooling the fibre, and predictions of the importance of these results to device performance are made.

引用

页码：155 / 162

页数：8

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