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Experimental investigation on chaos generation in erbium-doped fiber single-ring lasers |
Chang Feng (常锋), Feng Yu-Ling (冯玉玲), Yao Zhi-Hai (姚治海), Fan Jian (范健), Song Yuan-Chao (宋远超), Zhao Yu-Zhu (赵玉柱) |
Department of Physics, Changchun University of Science and Technology, Changchun 130022, China |
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Abstract In this paper, the chaotic behaviors in an erbium-doped fiber (EDF) single-ring laser (EDFSRL) are investigated experimentally by using the loss modulation method. An electro-optic modulator (EOM) made of LiNbO3 crystal is added to the system. Thus, by changing the modulation voltage and the modulation frequency of the EOM, the freedom of the EDFSRL system is increased. The chaotic characteristics of the system are studied by observing the time series and the power spectra. The experimental results indicate that the erbium-doped fiber single-ring laser system can enter into chaos states through period-doubling bifurcation and intermittency routes.
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Received: 22 February 2012
Revised: 22 April 2012
Accepted manuscript online:
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PACS:
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05.45.-a
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(Nonlinear dynamics and chaos)
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42.55.Wd
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(Fiber lasers)
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42.65.Sf
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(Dynamics of nonlinear optical systems; optical instabilities, optical chaos and complexity, and optical spatio-temporal dynamics)
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Fund: Project supported by the Science and Technology Development Program of Jilin Province, China (Grant No. 20090309). |
Corresponding Authors:
Yao Zhi-Hai
E-mail: yaozh@cust.edu.cn
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Cite this article:
Chang Feng (常锋), Feng Yu-Ling (冯玉玲), Yao Zhi-Hai (姚治海), Fan Jian (范健), Song Yuan-Chao (宋远超), Zhao Yu-Zhu (赵玉柱) Experimental investigation on chaos generation in erbium-doped fiber single-ring lasers 2012 Chin. Phys. B 21 100504
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