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Proceedings Paper

Experimental and numerical analysis of high power Er:Yb co-doped fiber amplifiers
Author(s): Julia R. Limongelli; Scott D. Setzler; Daniel Creeden
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Paper Abstract

We have recently demonstrated an Er:Yb fiber amplifier pumped off-peak at 940 nm which achieved 50.5% slope efficiency compared to 40.2% slope efficiency when pumped on-peak at 976 nm, the typical pumping wavelength for Er:Yb fiber. To further understand these results we implemented a model that predicts the behavior of high power Er:Yb-co-doped fiber amplifiers with strong correlation to data. Through this modeling effort, we were able to estimate the forward and backward energy transfer coefficients for the Er:Yb silicophosphate fiber used. We also conducted a theoretical cutback experiment to find the optimal amplifier fiber length for each pump wavelength.

Paper Details

Date Published: 22 February 2017
PDF: 8 pages
Proc. SPIE 10083, Fiber Lasers XIV: Technology and Systems, 100831O (22 February 2017); doi: 10.1117/12.2252300
Show Author Affiliations
Julia R. Limongelli, BAE Systems Information and Electronic Systems Integration Inc. (United States)
Scott D. Setzler, BAE Systems Information and Electronic Systems Integration Inc. (United States)
Daniel Creeden, BAE Systems Information and Electronic Systems Integration Inc. (United States)


Published in SPIE Proceedings Vol. 10083:
Fiber Lasers XIV: Technology and Systems
Craig A. Robin; Ingmar Hartl, Editor(s)

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