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. 2014 Nov 17;22(23):29008-13.
doi: 10.1364/OE.22.029008.

Cladding pumped few-mode EDFA for mode division multiplexed transmission

Y Jung, E L Lim, Q Kang, T C May-Smith, N H L Wong, R Standish, F Poletti, J K Sahu, S U Alam, D J Richardson
Free article

Cladding pumped few-mode EDFA for mode division multiplexed transmission

Y Jung et al. Opt Express. .
Free article

Abstract

We experimentally demonstrate a few-mode erbium doped fiber amplifier (FM-EDFA) supporting 6 spatial modes with a cladding pumped architecture. Average modal gains are measured to be >20dB between 1534nm-1565nm with a differential modal gain of ~3dB among the mode groups and noise figures of 6-7dB. The cladding pumped FM-EDFA offers a cost effective alternative to core-pumped variant as low cost, high power multimode pumps can be used, and offers performance, scalability and simplicity to FM-EDFA design.

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