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Proceedings Paper

Effect of pumping configuration on noise figure and efficiency for 0.98-um-pumped saturated erbium-doped fiber amplifiers
Author(s): Richard G. Smart; John L. Zyskind; James W. Sulhoff; David J. DiGiovanni
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Paper 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.

Paper Details

Date Published: 23 March 1993
PDF: 6 pages
Proc. SPIE 1789, Fiber Laser Sources and Amplifiers IV, (23 March 1993); doi: 10.1117/12.141132
Show Author Affiliations
Richard G. Smart, AT&T Bell Labs. (United States)
John L. Zyskind, AT&T Bell Labs. (United States)
James W. Sulhoff, AT&T Bell Labs. (United States)
David J. DiGiovanni, AT&T Bell Labs. (United States)

Published in SPIE Proceedings Vol. 1789:
Fiber Laser Sources and Amplifiers IV
Michel J. F. Digonnet; Elias Snitzer, Editor(s)

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