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/38c38d6f-96fa-4ba8-9fe1-f446f11e2e1a/Coherent | Finisar