Optical fiber 事节EDFA泵浦高能级的选取 AE3的选取原则 1泵浦效率; 2有相应效率激光器作泵浦源980m和1480nm BEAS: Excited State Absorption, Energy upconversion EAS:指处于激发态的粒子吸收泵浦光(or信号光)向更高的能级跃 迁 C 980nm Vs 1480nm 980nm advantages: high gain, high pump efficiency. lower noise( 3db)
1-1 Copyright Wang Yan 2021/2/19 Optical fiber communications 第五节 EDFA泵浦高能级E3的选取 A.E3的选取原则 1.泵浦效率; 2.有相应效率激光器作泵浦源980nm和1480nm B.EAS:Excited State Absorption,Energy upconversion EAS:指处于激发态的粒子吸收泵浦光(or信号光)向更高的能级跃 迁。 C.980nm VS 1480nm 980nm advantages:high gain、high pump efficiency、 lower noise(3db)
Optical fiber communication 22021/2/19 1480nm:与信号光的浪长相近,因而155um的 单模光纤对信号光和泵浦光都是单模传输。引用单 模光纤制成定向耦合器,将信号光和泵浦光的损耗 导入光纤
1-2 Copyright Wang Yan 2021/2/19 Optical fiber communications 1480nm:与信号光的波长相近,因而1.55um的 单模光纤对信号光和泵浦光都是单模传输。引用单 模光纤制成定向耦合器,将信号光和泵浦光的损耗 导入光纤