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Proceedings Paper

Enhanced gain and noise figure performance of high concentration Er3+-Yb3+-co-doped phosphate fiber amplifiers
Author(s): B. Mohammadfam; E. Soltani
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Paper Abstract

A full characterization of Er3+-Yb3+ co-doped fiber amplifiers (EYDFA) is done by numerically solving the simultaneous calculation of the rate and propagation equations considering the forward- and backward-amplified spontaneous emissions (ASE ± ) propagation. The effect of erbium and ytterbium codoping concentrations on the gain of the amplifier is evaluated. With optimal calculated parameters, a gain of 32.7 dB and a fiber length of 3.54 cm with pump and signal powers of 200 mWand 1 μW in optimal codoping concentrations is obtained. Simulations have been done for gain characteristic and noise figure of an erbium-doped fiber amplifier (EDFA) with parameters similar to EYDFA to compare the obtained results. The proposed model and simulation results are validated with published experimental results.

Paper Details

Date Published: 21 September 2010
PDF: 10 pages
Proc. SPIE 7750, Photonics North 2010, 77500K (21 September 2010); doi: 10.1117/12.871355
Show Author Affiliations
B. Mohammadfam, Islamic Azad Univ. (Iran, Islamic Republic of)
E. Soltani, Islamic Azad Univ. (Iran, Islamic Republic of)

Published in SPIE Proceedings Vol. 7750:
Photonics North 2010
Henry P. Schriemer; Rafael N. Kleiman, Editor(s)

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