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Proceedings Paper

Experimental study and theoretical simulation for high gain compact Er3+-Yb3+-codoped fiber laser
Author(s): Feng Song; Zhenzhou Cheng; Changguang Zou; Lanjun Luo; Yingying Cai; Wenyi Piao; Chen Wei; Jianguo Tian
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Paper Abstract

Heavy Er3+-Yb3+-codoped fiber lasers can provide high gain laser emission, but the energy transfer and cumulative transfer processes between Er3+ and Yb3+ cannot be neglected. In this paper, the cumulative transfer and double-energy transfer processes are considered in the propagation equation and rate equation model. And we use this model to simulate the lasing operation of a short Er3+-Yb3+-codoped phosphate fiber laser. Then a 10.4 cm compact fiber laser with an output power of 170.4 mW, a bandwidth of 0.053 nm and a slope efficiency of 35.3% is demonstrated in experiment. The experimental results show that the theoretical model we used is more accurate than former models. Finally, the dependence of output power on output coupler reflectivity, active fiber length and Er3+-Yb3+ concentrations are investigated numerically. According to the simulation, when the pump power is less than 700 mW, Er3+ concentration of 1.0-1.2×1026 ions/m3, Yb3+ concentration of 4.0-8.0×1027 ions/m3, output coupler reflectivity of 0.7-0.8 and fiber length of 8-12 cm are desirable to optimize the performance of Er3+-Yb3+-codoped phosphate fiber laser. PACS 42.60.Pk; 42.55.Wd

Paper Details

Date Published: 25 November 2009
PDF: 11 pages
Proc. SPIE 7509, 2009 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Integration, 75090N (25 November 2009); doi: 10.1117/12.837930
Show Author Affiliations
Feng Song, Nankai Univ. (China)
Zhenzhou Cheng, Nankai Univ. (China)
Changguang Zou, Guangdong Co., Ltd. (China)
Lanjun Luo, Nankai Univ. (China)
Yingying Cai, Nankai Univ. (China)
Wenyi Piao, Nankai Univ. (China)
Chen Wei, Nankai Univ. (China)
Jianguo Tian, Nankai Univ. (China)

Published in SPIE Proceedings Vol. 7509:
2009 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Integration
Xuping Zhang; Wojtek J. Bock; Xuejun Lu; Hai Ming, Editor(s)

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