A B C D E F G H I J K L M N O P Q R S T U V W X Y ZEffective AreaElectromagnetic SpectrumElliptical Clad FiberElliptical Core FiberEmission Cross SectionEmission MeasurementEmission SpectraEnd FaceEnergyErbiumErbium Doped Fiber (EDF)Erbium Doped Fiber Amplifier (EDFA)Excited StateExcited State Absorption (ESA)Extinction Ratio
