Fabrication and Characterization of a High-Gain Yb-Er Codoped Phosphate Glass Optical Amplifier
Figure 5
Signal net gain spectrum obtained for four different signal input powers −30 dBm, −20 dBm, −10 dBm, and 0 dBm at wavelengths ranging from 1515 to 1575 nm. Injected pump power is mW.