【摘要】 本文在分析一些文献的基础上，仿照掺Ｅｒ￣（３＋）光纤放大器的理论模型，尝试建立了一个Ｅｒ￣（３＋）／Ｙｂ￣（３＋）双掺光纤放大器的理论模型。利用本模型，可以模拟双掺光纤中信号、泵浦及放大的自发辐射（ＡＳＥ）的变化情形，并得到一些有意义的数值结果。更多还原

【Abstract】 A theoretical model of Er￣(3+)/Yb￣(3+) co-doped fibre amplifier,based on the one of Er￣(3+)-doped fibre amplifier,as presented in this paper,by analysing some of the references concerned.The performances of the signal,the pump,and the amplified spontaneous emission(ASE)in the Er￣(3+)/Yb￣(3+) co-doped fibre can be simulated with this model. Some of results from this model are significant and interesting.更多还原