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Optical Engineering

Ultra-high-efficiency L-band erbium-doped superfluorescent fiber source with broadening linewidth
Author(s): Xiulin Wang; Wencai Huang; Huiying Xu; Zhiping Cai
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Paper Abstract

We investigate a high-pumping-efficiency and linewidth-broadening, L-band, erbium-doped, superfluorescent fiber source (SFS) using a cascaded dual-backward-pumped configuration. With optimized structural parameters, the design provides an L-band SFS with a mean wavelength of 1578.2 nm, an output power of 132.8 mW, and a spectral linewidth of 52.6 nm without using any external spectral filters under 265-mW pump power. The high pumping efficiency of 50.1% is achieved experimentally. The design relaxes the danger in resonant lasing while enhancing the pumping efficiency and broadening the linewidth.

Paper Details

Date Published: 1 August 2010
PDF: 6 pages
Opt. Eng. 49(8) 085003 doi: 10.1117/1.3481119
Published in: Optical Engineering Volume 49, Issue 8
Show Author Affiliations
Xiulin Wang, Jimei Univ. (China)
Wencai Huang, Xiamen Univ. (China)
Huiying Xu, Xiamen Univ. (China)
Zhiping Cai, Xiamen Univ. (China)

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