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Erschienen in: Optical and Quantum Electronics 2/2020

01.02.2020

A few mode EDFA with different pumping schemes: performance evaluation

verfasst von: Nihal M. Anwar, Ziad A. El-Sahn, El-Sayed A. El-Badawy, Moustafa H. Aly

Erschienen in: Optical and Quantum Electronics | Ausgabe 2/2020

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Abstract

The performance of few-mode (FM) erbium doped fiber amplifiers (EDFAs) with different pumping configurations is investigated and evaluated. An improvement in both gain and noise figure is achieved with a bidirectional core pumping FM-EDFA using unequal pump power with pump wavelengths of 980 nm and 1480 nm for forward and backward pumping, respectively. Moreover, the bidirectional pumping FM-EDFA is studied in case of equal pumping wavelength at 980 nm and different pump powers. Then, the system performance for the case of 6-spatial modes is tested for backward core pumping at 980 nm. The backward core pumping achieved a high modal gain with a low noise figure compared to bidirectional core pumping. Meanwhile, we report a cladding-pumped 6-modes EDFA with higher modal gain ~ 35 dB over the C-band, zero differential modal gain and low noise figure using both backward and bidirectional pumping.

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Metadaten
Titel
A few mode EDFA with different pumping schemes: performance evaluation
verfasst von
Nihal M. Anwar
Ziad A. El-Sahn
El-Sayed A. El-Badawy
Moustafa H. Aly
Publikationsdatum
01.02.2020
Verlag
Springer US
Erschienen in
Optical and Quantum Electronics / Ausgabe 2/2020
Print ISSN: 0306-8919
Elektronische ISSN: 1572-817X
DOI
https://doi.org/10.1007/s11082-020-2226-9

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