Enhanced gain and noise figure performance of high concentration Er3+-Yb3+-co-doped phosphate fiber amplifiers

B. Mohammadfam; E. Soltani

doi:10.1117/12.871355

21 September 2010 Enhanced gain and noise figure performance of high concentration Er³⁺-Yb³⁺-codoped phosphate fiber amplifiers

B. Mohammadfam, E. Soltani

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Proceedings Volume 7750, Photonics North 2010; 77500K (2010) https://doi.org/10.1117/12.871355
Event: Photonics North 2010, 2010, Niagara Falls, Canada

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.

Citation Download Citation

B. Mohammadfam and E. Soltani "Enhanced gain and noise figure performance of high concentration Er³⁺-Yb³⁺-codoped phosphate fiber amplifiers", Proc. SPIE 7750, Photonics North 2010, 77500K (21 September 2010); https://doi.org/10.1117/12.871355

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KEYWORDS

Erbium

Ytterbium

Fiber amplifiers

Absorption

Ions

Optical amplifiers

Doping

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