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Laser Parameter Variations in a Rayleigh Scattering-Based Raman Fiber Laser With Single Fiber Bragg Grating Reflector

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4 Author(s)
A. R. Sarmani$^{1}$Center of Excellence for Wireless and Photonics Networks, Faculty of Engineering, Universiti Putra Malaysia, UPM Serdang, Malaysia ; M. H. Abu Bakar ; F. R. Mahamd Adikan ; M. A. Mahdi

The work presented in this paper details the changes in continuous-wave laser characteristics that were affected by the orientation of pumping separation. The Raman laser was constructed in forward and backward pumping schemes with respect to the 1553.3-nm fiber Bragg grating location. The laser cavity was formed by the induction of Rayleigh backscattering effects in the 51-km fiber length that served as a virtual mirror. From the results obtained, it can be concluded that low threshold operation around 788 mW was satisfied at a coupling ratio of 0 (forward pumping scheme). Moreover, the best output power attainment of 220 mW was realized when 60% of pump powers were delivered via a backward pumping scheme. Thus, the success of this research provides a basis to further understand the principle of backscattered wave interactions along the fiber longitudinal structure.

Published in:

IEEE Photonics Journal  (Volume:4 ,  Issue: 2 )