1 August 2010 Ultra-high-efficiency L-band erbium-doped superfluorescent fiber source with broadening linewidth
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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.
© (2010) Society of Photo-Optical Instrumentation Engineers (SPIE)
Xiulin Wang, Wencai Huang, Huiying Xu, Zhiping Cai, "Ultra-high-efficiency L-band erbium-doped superfluorescent fiber source with broadening linewidth," Optical Engineering 49(8), 085003 (1 August 2010). https://doi.org/10.1117/1.3481119 . Submission:
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