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Proceedings Paper

The characteristics of dynamic gratings in ultra-narrow linewidth erbium-doped fiber ring lasers
Author(s): Pan Xu; Zhengliang Hu; Yongming Hu; Mingxiang Ma; Lina Ma
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Paper Abstract

The characteristics of dynamic gratings greatly affect the linewidth and mode hopping properties of ultra-narrow linewidth erbium-doped fiber lasers. In this paper, we propose a novel method to estimate the temporal evolution of the reflectance spectrum of the dynamic gratings recorded in EDF based on the transient effect of the erbium ions. An experimental setup is also proposed to measure the reflectivity spectrum of the dynamic gratings utilized in lasers. The experimental data are compared with the numerical results and their differences are analyzed. The experiment results reveal some important transient characteristics of dynamic gratings in real lasers which are helpful to understand the mechanism of mode hopping.

Paper Details

Date Published: 5 December 2011
PDF: 6 pages
Proc. SPIE 8198, 2011 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Integration, 81980T (5 December 2011); doi: 10.1117/12.907171
Show Author Affiliations
Pan Xu, National Univ. of Defense Technology (China)
Zhengliang Hu, National Univ. of Defense Technology (China)
Yongming Hu, National Univ. of Defense Technology (China)
Mingxiang Ma, National Univ. of Defense Technology (China)
Lina Ma, National Univ. of Defense Technology (China)


Published in SPIE Proceedings Vol. 8198:
2011 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Integration

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