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Dual-wavelength rectangular pulse erbium-doped fiber laser based on topological insulator saturable absorber

guobo94656329 添加于 2017/12/3 17:33:35  15次阅读 | 0次推荐 | 0个评论

We reported on the generation of the dual-wavelength rectangular pulse in an erbium-doped fiber laser (EDFL) with a topological insulator saturable absorber. The rectangular pulse could be stably initiated with pulse width from 13.62 to 25.16 ns and fundamental repetition rate of 3.54 MHz by properly adjusting the pump power and the polarization state. In addition, we verified that the pulse shape of the dual-wavelength rectangular pulse can be affected by the total net cavity dispersion in the fiber laser. Furthermore, by properly rotating the polarization controllers, the harmonic mode-locking operation of the dual-wavelength rectangular pulse was also obtained. The dual-wavelength rectangular pulse EDFL would benefit some potential applications, such as spectroscopy, biomedicine, and sensing research.

作 者:B. Guo, Y. Yao, Y. F. Yang, Y. J. Yuan, L. Jin, B. Yan, and J. Y. Zhang
期刊名称: Photon. Res.
期卷页: June 2015 第3卷 第3期 94-99页
学科领域:信息科学 » 光学和光电子学 » 光子与光电子器件
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关键词: (140.4050) Mode-locked lasers; (190.4370) Nonlinear optics, fibers; (160.4330) Nonlinear optical materials.
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