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Optical Engineering

Experimental research of wideband and gain-flattened hybrid Raman/erbium-doped fiber amplifier
Author(s): Yongnan Li; Wengang Guo; Chenghou Tu; Ting Lei; Te Ha; Dai Wei; Fuyun Lu
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Paper Abstract

We present experiments of line and parallel configurations of hybrid erbium-doped fiber amplifiers/fiber Raman amplifiers (EDFAs/FRAs). For the line structure, a gain flatness of ±1.15 dB over a range of 47 nm (1483 to 1530 nm) is obtained. In the parallel configuration, the gain flatness is below ±2 dB for 1487 to 1507 nm and 1520 to 1550 nm. Using a high-birefringence fiber loop mirror as a signal reflector, a noise figure is less than 6 dB in the gain bandwidth. Then performances of different hybrid configurations are compared.

Paper Details

Date Published: 1 December 2007
PDF: 4 pages
Opt. Eng. 46(12) 125004 doi: 10.1117/1.2818221
Published in: Optical Engineering Volume 46, Issue 12
Show Author Affiliations
Yongnan Li, Nankai Univ. (China)
Wengang Guo, Nankai Univ. (China)
Chenghou Tu, Nankai Univ. (China)
Ting Lei, Nankai Univ (China)
Te Ha, Nankai Univ (China)
Dai Wei, Nankai Univ (China)
Fuyun Lu, Nankai Univ. (China)


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