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Proceedings Paper

Stable narrow linewidth ring fiber laser with a passive fiber Bragg grating Fabry-Perot etalon and a fiber saturable absorber
Author(s): Zhiyong Dai; Bo Wu; Zengshou Peng; Zhonghua Ou; Yongzhi Liu
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Paper Abstract

Narrow linewidth fiber lasers have become more and more necessary in field of coherent communication, fiber optic sensor, and high resolutions optical spectrum analysis, especially long-range distributed fiber sensing system. In this paper, a simple and stable narrow linewidth Er3+ -doped ring fiber laser is first proposed and experimentally demonstrated. In the cavity, a passive fiber Bragg grating Fabry-Perot (FBG F-P) etalon acts as mode-selecting device to greatly reduce the longitudinal-mode density, while a section un-pumped Er3+ -doped fiber serves as a saturable absorber to ensure the single longitudinal-mode (SLM) operation. Meanwhile the stability of lasing frequency is further improved by controlling the temperature of the FBG F-P, and then through varying the temperature the lasing wavelength tuning is achieved also. Finally stable SLM laser at 1550nm with linewidth about 7.5 kHz, maximum output power 39 mW and the corresponding slope efficiency 30% is acquired.

Paper Details

Date Published: 9 February 2009
PDF: 6 pages
Proc. SPIE 7158, 2008 International Conference on Optical Instruments and Technology: Microelectronic and Optoelectronic Devices and Integration, 715817 (9 February 2009); doi: 10.1117/12.806925
Show Author Affiliations
Zhiyong Dai, Univ. of Electronic Science and Technology of China (China)
Bo Wu, Univ. of Electronic Science and Technology of China (China)
Zengshou Peng, Univ. of Electronic Science and Technology of China (China)
Zhonghua Ou, Univ. of Electronic Science and Technology of China (China)
Yongzhi Liu, Univ. of Electronic Science and Technology of China (China)


Published in SPIE Proceedings Vol. 7158:
2008 International Conference on Optical Instruments and Technology: Microelectronic and Optoelectronic Devices and Integration

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