Weak feedback assisted random fiber laser from 45°-tilted fiber Bragg grating

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Abstract

We have demonstrated the realization of a high-polarization random fiber laser
(RFL) output based on the hybrid Raman and Erbium gain with the tailored effect provided
by a 45°-tilted fiber Bragg grating (45°-TFBG), revealing an improvement in the polarization
extinction ratio (PER) and achieving a PER of ~15.3 dB. The hybrid RFL system
incorporating the 45°-TFBG has been systematically characterized. The random lasing
wavelength can be fixed under the extremely weak feedback effect of the 45°-TFBG with
reflectivity of 0.09%. In addition, numerical simulation has verified that the weak feedback
can boost the random lasing emission with fixed wavelength using a power balance model,
which is in good accordance with the experiment results.

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  • Weak feedback assisted random fiber laser

    Rights statement: © 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement. Funding: National Natural Science Foundation of China (11874012, 11404087, 11574070, 11404086); Fundamental Research Funds for the Central Universities (JZ2017HGTB0187, PA2018GDQT0006); the Project of State Key Laboratory of Environment-friendly Energy Materials, Southwest University of Science and Technology (17FKSY0109); China Postdoctoral Science Foundation (2015M571917, 2017T100442); the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie grant agreement (744817); and Anhui Province Key Laboratory of Environment-friendly Polymer Materials (KF2019001).

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Details

Original languageEnglish
Pages (from-to)3255-3263
Number of pages9
JournalOptics Express
Volume27
Issue number3
DOIs
Publication statusPublished - 30 Jan 2019

Bibliographic note

© 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement Funding: National Natural Science Foundation of China (11874012, 11404087, 11574070, 11404086); Fundamental Research Funds for the Central Universities (JZ2017HGTB0187, PA2018GDQT0006); the Project of State Key Laboratory of Environment-friendly Energy Materials, Southwest University of Science and Technology (17FKSY0109); China Postdoctoral Science Foundation (2015M571917, 2017T100442); the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie grant agreement (744817); and Anhui Province Key Laboratory of Environment-friendly Polymer Materials (KF2019001).

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