23 March 1993 Erbium-doped fiber amplifier characteristics pumped both simultaneously and sequentially at different pump wavelengths and pump powers
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Abstract
Erbium doped optical fibers represent an elegant class of on-line optical amplifier working in the low loss window at 1.5 microns. This paper reports on an experimental study made of an Erbium doped optical fiber amplifier pumped at various wavelengths. The fiber was pumped at different wavelengths using an Argon ion laser, a dye laser and a He-Ne laser. Both contra and codirectional pumping geometries were investigated and further, simultaneous pumping at two different wavelengths with codirectional and contradirectional geometry was studied. The gain was measured as a function of fiber length, input signal strength and input pump powers. These experimental gain characteristics have been studied and analyzed.
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Prita Nair, Prita Nair, Mridula Joshi, Mridula Joshi, B. M. Sivaram, B. M. Sivaram, J. P. Raina, J. P. Raina, } "Erbium-doped fiber amplifier characteristics pumped both simultaneously and sequentially at different pump wavelengths and pump powers", Proc. SPIE 1789, Fiber Laser Sources and Amplifiers IV, (23 March 1993); doi: 10.1117/12.141135; https://doi.org/10.1117/12.141135
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