Open AccessWide bandwidth and flat multiwavelength Brillouin-erbium fiber laser
Author(s) -
A. W. Al-Alimi,
Noran Azizan Cholan,
Mohd Hanif Yaacob,
Ahmad Fauzi Abas,
Mohammed T. Alresheedi,
Mohd Adzir Mahdi
Publication year - 2017
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.25.019382
Subject(s) - optics , brillouin scattering , brillouin zone , fiber laser , laser , materials science , bandwidth (computing) , erbium , laser power scaling , optical fiber , wavelength , four wave mixing , nonlinear optics , physics , telecommunications , computer science
A wide bandwidth and flat multiwavelength Brillouin-erbium fiber laser is demonstrated experimentally. In the proposed laser setup, the combination of a Brillouin mirror with feedback and a ring cavity with four-wave mixing assistance is realized. The efficiency of Brillouin Stokes lines generation is enhanced by the feedback-based Brillouin mirror structure. The effect of four-wave mixing in highly nonlinear fiber increases the generation of Brillouin Stokes lines in a wider bandwidth. The laser lines over 16 nm bandwidth (i.e 200 channels) within 4.65 dB power difference are obtained. The generated laser lines span from 1534 to 1550 nm with wavelength spacing of 0.08 nm and optical signal-to-noise ratio of at least 15 dB. The laser can also be freely tuned over 32 nm and is stable with power fluctuations of 0.7 dB over 1 hour duration.
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