首页> 外文会议>Conference on Lightguides and their Applications II; 20031009-20031011; Krasnobrod; PL >Amplification and noises in real active fiber - experimental and mathematical model
【24h】

Amplification and noises in real active fiber - experimental and mathematical model

机译:实际有源光纤中的放大和噪声-实验和数学模型

获取原文
获取原文并翻译 | 示例

摘要

Signal amplification and noises in active fibers can be investigated both mathematically and experimentally. The investigation is connected with construction of appropriate models. The presented work is referring to the description and analysis of light intensity nature phenomenon appearing during optical signal amplification in optically pumped fibers. The mathematical model that describes the optical pumping and laser action phenomenon that occurs in unit fiber section length is called the energy level diagram. In case when the fiber is the erbium doped energy model is often represented as three level scheme that sometimes is simplified to two levels. Introducing openly the fiber length results in the equation set of radiation intensity propagation. In the physical model real components, which are examined, are applied. In this work in order to build the physical models of amplifier the following components were used: active fiber from 3M corporation, optical pump working at 980nm from Power Technology, laser signal source for 1550nm from Thorlabs and optical isolators, WDM-s and connectors. This opto-electronic circuit has been monitored using the computer system by set of Si and AlGaAs detectors. The results obtained by the authors show that simple models of signal amplification can be used, but at the same time the optical noise phenomena are much more complex and have significant broad band value. Their power at output of fiber amplifier, even working on standard operation point, can saturate the photo detector.
机译:活性纤维中的信号放大和噪声可以通过数学和实验方法进行研究。调查与适当模型的构建有关。提出的工作是对光泵浦光纤中光信号放大过程中出现的光强度自然现象的描述和分析。描述单位纤维截面长度中发生的光泵浦和激光作用现象的数学模型称为能级图。在光纤是is的情况下,能量模型通常表示为三级方案,有时简化为两级。公开引入光纤长度会导致辐射强度传播的方程组。在物理模型中,将应用检查过的实际组件。在此工作中,为了建立放大器的物理模型,使用了以下组件:3M公司的有源光纤,Power Technology的980nm工作的光泵,Thorlabs和光学隔离器的1550nm的激光信号源,WDM-s和连接器。使用计算机系统通过一组Si和AlGaAs检测器对该光电电路进行了监视。作者获得的结果表明,可以使用简单的信号放大模型,但是与此同时,光学噪声现象要复杂得多,并具有明显的宽带值。即使在标准工作点上工作,它们在光纤放大器输出端的功率也会使光电检测器饱和。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号