Title :
Effect of stimulated Brillouin scattering on distributed erbium-doped fiber amplifier
Author :
Zhang, S.L. ; O´Reilly, J.J.
Author_Institution :
Sch. of Electron. Eng. Sci., Wales Univ., Bangor, UK
fDate :
5/1/1993 12:00:00 AM
Abstract :
Stimulated Brillouin scattering (SBS) causes backward scattering of the pump light and this in turn causes a reduction in the gain of a distributed erbium-doped fiber amplifier (DEDFA). A theoretical analysis of the influence of SBS on a DEDFA and illustrative numerical results are presented. It is shown that there exists a threshold value of pump laser linewidth: when the pump laser linewidth is smaller than this threshold value the gain of the DEDFA is reduced greatly. This analysis and the results presented facilitate the design and optimization of DEDFAs.<>
Keywords :
backscatter; erbium; fibre lasers; laser theory; optical pumping; spectral line breadth; stimulated Brillouin scattering; Er-doped fibre amplifiers; SBS; backward scattering; distributed erbium-doped fiber amplifier; fibre laser gain reduction; laser design; optimization; pump laser linewidth; pump light; stimulated Brillouin scattering; threshold value; Brillouin scattering; Design optimization; Differential equations; Erbium; Erbium-doped fiber amplifier; Erbium-doped fiber lasers; Laser excitation; Laser theory; Light scattering; Pump lasers;
Journal_Title :
Photonics Technology Letters, IEEE
