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Widely tunable mode-locked all-fiberized Yb-doped fiber laser with near-transform-limited spectrum linewidth

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Abstract

A widely tunable mode-locked all-fiberized Yb-doped fiber laser with near-transform-limited spectrum linewidth is used. It consists of a tunable fiber Bragg grating (TFBG) and a fiber-coupled LiNbO3 phase modulator (PM) in a linear cavity. The TFBG is used to achieve tunable emission wavelength, and the intracavity PM is used to achieve actively mode-locking operation. We have experimentally demonstrated that the laser-emitting wavelength can be tuned between 1,041 and 1,091 nm with power fluctuation less than 3 dB. The temporal width of the laser pulse is about 1 ns, and the pulses are near transform-limited with a spectral linewidth of 1.3 GHz. The results may find useful application in optical communication and optical measurement system.

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Acknowledgments

This work was financially supported in part by Innovation Foundation for Excellent Graduates in National University of Defense Technology under Grant B120704 and Hunan Provincial Innovation Foundation For Postgraduate under Grant CX2012B035.

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Authors and Affiliations

  1. College of Optoelectric Science and Engineering, National University of Defense Technology, Changsha, 410073, China

    Rumao Tao, Xiaolin Wang, Pu Zhou, Lei Si & Zejin Liu

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  1. Rumao Tao
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  2. Xiaolin Wang
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  3. Pu Zhou
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  4. Lei Si
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  5. Zejin Liu
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Correspondence to Rumao Tao.

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Tao, R., Wang, X., Zhou, P. et al. Widely tunable mode-locked all-fiberized Yb-doped fiber laser with near-transform-limited spectrum linewidth. Appl. Phys. B 116, 115–119 (2014). https://doi.org/10.1007/s00340-013-5656-2

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  • DOI: https://doi.org/10.1007/s00340-013-5656-2

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