Paper
20 December 2019 Wavelength self-sweeping Yb-doped bi-directional fiber ring laser
Kaile Wang, Zengrun Wen, Baole Lu, Xinyuan Qi, Jintao Bai
Author Affiliations +
Proceedings Volume 11209, Eleventh International Conference on Information Optics and Photonics (CIOP 2019); 112092I (2019) https://doi.org/10.1117/12.2548390
Event: Eleventh International Conference on Information Optics and Photonics (CIOP 2019), 2019, Xi'an, China
Abstract
Experimental observation of reverse wavelength self-sweeping effect is reported in a bidirectional ytterbium-doped fiber ring laser. The wavelength self-sweeping regime - that a spontaneous, periodical, stable - can be obtained by the dynamical induced grating formed in an active medium due to the spatial hole burning. In this work, the reverse self- sweeping effect operates, for the first time, to the best of our knowledge, in 1.037 μm wavelength region. Besides, the fiber laser can generate a self-pulse signal and reverse wavelength self-sweeping with an average rate of 0.38 nm/s in the largest coverage of 2.75 nm. The self-pulse signal that modulated by inter-mode beating can be observed and the microsecond pulse train envelopes are in the range of 116-128 kHz.
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Kaile Wang, Zengrun Wen, Baole Lu, Xinyuan Qi, and Jintao Bai "Wavelength self-sweeping Yb-doped bi-directional fiber ring laser", Proc. SPIE 11209, Eleventh International Conference on Information Optics and Photonics (CIOP 2019), 112092I (20 December 2019); https://doi.org/10.1117/12.2548390
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KEYWORDS
Fiber lasers

Laser applications

Ytterbium

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