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

Hu, Zhijia, Ma, Rui, Zhang, Xiaojuan, Sun, Zhongyuan, Liu, Xin, Liu, Jun, Xie, Kang and Zhang, Lin (2019). Weak feedback assisted random fiber laser from 45°-tilted fiber Bragg grating. Optics Express, 27 (3), pp. 3255-3263.

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.

Publication DOI: https://doi.org/10.1364/OE.27.003255
Divisions: Engineering & Applied Sciences
Engineering & Applied Sciences > Aston Institute of Photonics Technology
Engineering & Applied Sciences > Electrical, Electronic & Power Engineering
Additional Information: © 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).
Uncontrolled Keywords: Atomic and Molecular Physics, and Optics
Full Text Link:
Related URLs: https://www.osa ... RI=oe-27-3-3255 (Publisher URL)
http://www.scop ... tnerID=8YFLogxK (Scopus URL)
Published Date: 2019-01-30
Authors: Hu, Zhijia ( 0000-0002-8960-5318)
Ma, Rui
Zhang, Xiaojuan
Sun, Zhongyuan
Liu, Xin
Liu, Jun
Xie, Kang
Zhang, Lin ( 0000-0002-1691-5577)

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