Study of heavily thulium-doped fiber amplifier for optical telecom at 2μm

被引：3
|
作者：
Khamis, M. A. [1 ]
Ennser, K. [2 ]
机构：
[1] Middle Tech Univ, Baqubah Tech Inst, Diyala, Iraq
[2] Swansea Univ, Coll Engn, Bay Campus,Fabian Way, Swansea SA1 8EN, W Glam, Wales
来源：
2ND INTERNATIONAL CONFERENCE ON SUSTAINABLE ENGINEERING TECHNIQUES (ICSET 2019) | 2019年 / 518卷
关键词：
2; MU-M; SILICA FIBER; LASER;
D O I：
10.1088/1757-899X/518/5/052017
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
In this study, the performance of a thulium-doped fiber amplifier is investigated for optical telecom at 2 mu m with the pump wavelength of 1570nm. The influence of energy up-conversion transitions has been built up on the theoretical model. A heavily thulium doped concentration has been chosen in order to consider this ion-ion interaction. The rate and propagation equations have been developed to study and evaluate the characteristics of a thulium doped fiber amplifier with considering the effects of amplified spontaneous emission noise, cross relaxation process and energy up-conversion. A MATLAB program has been developed to optimise the fiber length and compute the amplifier gain and noise figure. Through the numerical results it is indicated that a short thulium fiber length is require which is a one attractive advantage to choose a thulium fiber with high concentration. However, the results also showed that increasing of thulium doping concentration reduces the signal gain when pumped at 1570nm.
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收藏
页数：7
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