Ultra-high-efficiency L-band erbium-doped superfluorescent fiber source with broadening linewidth

Xiulin Wang; Wencai Huang; Huiying Xu; Zhiping Cai

doi:10.1117/1.3481119

1 August 2010 Ultra-high-efficiency L-band erbium-doped superfluorescent fiber source with broadening linewidth

Xiulin Wang, Wencai Huang, Huiying Xu, Zhiping Cai

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Optical Engineering, Vol. 49, Issue 8, 085003 (August 2010). https://doi.org/10.1117/1.3481119

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)

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Xiulin Wang, Wencai Huang, Huiying Xu, and 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

Published: 1 August 2010

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KEYWORDS

L band

Dense wavelength division multiplexing

Optical engineering

Optical filters

Superluminescent sources

Absorption

Fiber optic gyroscopes

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