EDFA:Erbium-Doped Fiber Amplifier(1525nm-1565nm)
GS-EDFA:Gain-Shifted EDFA(1570nm-1610nm)
EDTFA:Tellurite-based EDFA(1530nm-1610nm)
TDFA:Thulium-Doped Fluiride-based Fiber Amplifier(1450nm-1490nm)
GS-TDFA:Gain-Shifted TGFA(1490nm-1530nm)
RFA:Raman Fiber Amplifier(1320nm-1660nm)
