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Proceedings Paper

Gain calculation for Er/Yb-doped fiber amplifiers
Author(s): Qiang Wang; Robert G. Ahrens; Niloy K. Dutta
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Paper Abstract

Gain and output power as a function of pump power has been calculated for short Er/Yb doped single mode fibers for various fiber parameters. The calculation shows (i) small signal gain increases with increasing Er concentration, (ii) long fiber lengths provide both higher gain and higher output, (iii) calculated gain is larger for higher Er emission cross section, and, (iv) >25 dB gain is feasible for 5 cm long fiber for Er and Yb concentrations of 3 X 1026 m-3 and 1.2 X 1027 m-3.

Paper Details

Date Published: 7 June 2004
PDF: 6 pages
Proc. SPIE 5335, Fiber Lasers: Technology, Systems, and Applications, (7 June 2004); doi: 10.1117/12.524810
Show Author Affiliations
Qiang Wang, Univ. of Connecticut (United States)
Robert G. Ahrens, Lucent Technologies/Bell Labs. (United States)
Niloy K. Dutta, Univ. of Connecticut (United States)

Published in SPIE Proceedings Vol. 5335:
Fiber Lasers: Technology, Systems, and Applications
L. N. Durvasula, Editor(s)

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