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EDFA - Coggle Diagram
EDFA
Definition
Erbium Doped Fiber Amplifier
Optical amplifier
Amplifies light directly
Working Principle
Pumping
Population inversion
Stimulated emission
Pumping
980 nm
High efficiency
Low noise
1480 nm
High power
807 nm
Low efficiency
ESA effect
Components
Pump laser
Er-doped fiber
WDM coupler
Isolator