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

Table 1

Results: output amplified signal power of dual pumping with wavelength 980 nm for different pumping power and different EDFA length.

Pump power	Output amplified signal power in dual pumping with wavelength 980 nm (W); 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	0.016	0.016	0.0155	S/g power decreases
Pump power = 0.62 w	0.038	0.042	0.045	S/g power increases
Pump power = 1 w	0.05	0.065	0.07	S/g power increases
Remarks	S/g power increases	S/g power increases	S/g power increases