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23 March 1993 Effect of pumping configuration on noise figure and efficiency for 0.98-μm-pumped saturated erbium-doped fiber amplifiers
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Abstract
We report the results of an investigation of the noise figure and conversion efficiency of erbium-doped fiber amplifiers for unsaturated, moderately saturated and heavily saturated operation. Quantum-limited 3 dB noise figures result only for small signal operation of low gain amplifiers. For high gain, partially saturated amplifiers, useful as in-line repeaters, bi- directional pumping results in the best combination of noise performance and conversion efficiency while co-propagation of signal and pump produces the best noise performance.
© (1993) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Richard G. Smart, John L. Zyskind, James W. Sulhoff, and David J. DiGiovanni "Effect of pumping configuration on noise figure and efficiency for 0.98-μm-pumped saturated erbium-doped fiber amplifiers", Proc. SPIE 1789, Fiber Laser Sources and Amplifiers IV, (23 March 1993); https://doi.org/10.1117/12.141132
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