Output Signal Power Analysis in Erbium-Doped Fiber Amplifier with Pump Power and Length Variation Using Various Pumping Techniques

Table 3

Results: output amplified signal power of EDFA with Tri-forward pumping using wavelength 980 nm for different pumping power and different EDFA length.

Pump power	Output amplified signal power in EDFA with Tri-forward pumping using wavelength 980 nm (W/nm); with the constant input signal power = 0.001 mw			Remarks
	EDFA length 10 m	EDFA length 50 m	EDFA length 120 m
Pump power = 0.22 w	0.006	0.0059	0.00256	S/g power decreases
Pump power = 0.62 w	0.018	0.014	0.0098	S/g power decreases
Pump power = 1 w	0.0286	0.021	0.017	S/g power decreases
Remarks	S/g power increases	S/g power increases	S/g power increases