TY - JOUR
T1 - Amplified spontaneous emission in high-power, Er3+-Yb3+ codoped fiber amplifiers for wavelength-division-multiplexing applications
AU - Yahel, Eldad
AU - Hardy, Amos
PY - 2003/6
Y1 - 2003/6
N2 - Amplified spontaneous emission (ASE) in high-power, gain-flattened, Er3+-Yb3+-codoped fiber amplifiers (EYDFAs) is analyzed by use of a rate-equations model. Numerical results suggest that the ASE noise is more significant in L-band EYDFAs, depending on the pump configuration. ASE noise in C-band EYDFAs is considerably weaker and is almost independent of the pump configuration, Increasing the cladding area improves the noise figure properties, provided that the pump and the signal are injected at opposite ends (backward pumping). The dependence of the noise figure on the Yb3+ concentration and on the pump wavelength in L-band EYDFA is also analyzed.
AB - Amplified spontaneous emission (ASE) in high-power, gain-flattened, Er3+-Yb3+-codoped fiber amplifiers (EYDFAs) is analyzed by use of a rate-equations model. Numerical results suggest that the ASE noise is more significant in L-band EYDFAs, depending on the pump configuration. ASE noise in C-band EYDFAs is considerably weaker and is almost independent of the pump configuration, Increasing the cladding area improves the noise figure properties, provided that the pump and the signal are injected at opposite ends (backward pumping). The dependence of the noise figure on the Yb3+ concentration and on the pump wavelength in L-band EYDFA is also analyzed.
UR - http://www.scopus.com/inward/record.url?scp=0038577997&partnerID=8YFLogxK
U2 - 10.1364/JOSAB.20.001198
DO - 10.1364/JOSAB.20.001198
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AN - SCOPUS:0038577997
SN - 0740-3224
VL - 20
SP - 1198
EP - 1203
JO - Journal of the Optical Society of America B: Optical Physics
JF - Journal of the Optical Society of America B: Optical Physics
IS - 6
ER -