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Proceedings Paper

Quantitative modeling of pulse amplification in multimode cladding pumped Er-doped fiber amplifiers
Author(s): Dan T. Nguyen; Wei Shi; Arturo Pirson-Chavez
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Paper Abstract

We present a new approach in which the nonlinear Schrodinger equation (NLSE) coupled with beam propagation method (BPM) is used to quantitatively simulate pulse propagation in multimode cladding pumped fiber amplifiers. The complexity of fiber structures including fiber shapes and multiple cores which strongly affects the pump propagation and pump absorption and therefore also affects the fiber gain can be described by BPM modeling. The signal gain obtained from BPM is then used for modeling pulse amplification using the standard Step Split Fourier Method (SSFM). The simulation results are in quantitative agreement with our experiments.

Paper Details

Date Published: 15 February 2012
PDF: 6 pages
Proc. SPIE 8237, Fiber Lasers IX: Technology, Systems, and Applications, 82372K (15 February 2012); doi: 10.1117/12.909365
Show Author Affiliations
Dan T. Nguyen, NP Photonics, Inc. (United States)
Wei Shi, NP Photonics, Inc. (United States)
Arturo Pirson-Chavez, NP Photonics, Inc. (United States)

Published in SPIE Proceedings Vol. 8237:
Fiber Lasers IX: Technology, Systems, and Applications
Eric C. Honea; Sami T. Hendow, Editor(s)

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