Optical fiber communication 22021/2/19 1.自发辐射总功率 = 2.归一化线型函数 (/,)=p/p ∫(,f)=11 - 2 Copyright Wang Yan 2021/2/19 Optical fiber communications ( ) ( ) ( , ) 1 , / 0 0 = = +− g f f df g f f p t p P p ( f )df  +− = 1.自发辐射总功率 2.归一化线型函数