Variable Gain Dual Stage EDFA
https://www.epsglobal.com/Media-Library/EPSGlobal/Products/files/finisar/roadm-fws-optoelectronic/Variable-Gain-Dual-Stage-EDFA.jpg?ext=.jpg&maxsidesize=400
"Finisar's Variable Gain Dual Stage EDFA provides flattened gain across the C-band, low noise figure, and a large dynamic gain range (up to 15 dB)."
Variable-Gain-Dual-Stage-EDFA
Variable-Gain-Dual-Stage-EDFA
Coherent | Finisar
https://www.epsglobal.com/getmetafile/94cfad1c-656d-435e-8625-94600a97706c/Coherent | Finisar