ANALYSIS OF GAIN DIFFERENCE BETWEEN FORWARD-PUMPED AND BACKWARD-PUMPED ERBIUM-DOPED FIBER AMPLIFIERS IN THE SATURATION REGIME

被引：35

作者：

DESURVIRE, E

机构：

[1] Department of Electrical Engineering, Columbia University, New York City

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 1992年 / 4卷 / 07期

关键词：

D O I：

10.1109/68.145247

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：

In saturated erbium-doped fiber amplifiers, signal gain and power conversion efficiency are known to be greater in the backward pumping configuration. This study shows that the difference between pumping schemes is primarily an effect of amplified spontaneous emission. It is concluded that the highest conversion efficiency achievable in highly saturated EDFA's is predicted with fair accuracy by ASE noise-free models, but is approached most nearly with backward-pumped EDFA's.

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页码：711 / 714

页数：4

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