1 December 2007 Experimental research of wideband and gain-flattened hybrid Raman/erbium-doped fiber amplifier
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Optical Engineering, 46(12), 125004 (2007). doi:10.1117/1.2818221
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.
Yongnan Li, Wengang Guo, Chenghou Tu, Ting Lei, Te Ha, Dai Wei, Fuyun Lu, "Experimental research of wideband and gain-flattened hybrid Raman/erbium-doped fiber amplifier," Optical Engineering 46(12), 125004 (1 December 2007). http://dx.doi.org/10.1117/1.2818221
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KEYWORDS
Optical amplifiers

Fiber amplifiers

Raman spectroscopy

Amplifiers

Lithium

Mirrors

Optical engineering

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