Title :
Impact of stimulated Brillouin scattering on fibre Raman amplifiers
Author :
Ferreira, M.F. ; Rocha, J.F. ; Pinto, J.L.
Author_Institution :
Dept. of Phys., Aveiro Univ., Portugal
Abstract :
The occurrence of stimulated Brillouin scattering is shown to determine a saturation of the Raman gain and of the amplified spontaneous Raman scattered power at lower levels. Reducing the effective core area to potentially increase the Raman gain has a negligible effect above a given value of the amplifier length, whereas for small amplifier lengths it always determines a reduction of the on/off ratio.
Keywords :
Raman lasers; fibre lasers; stimulated Brillouin scattering; Raman gain; amplifier length; effective core area; fibre Raman amplifiers; gain saturation; on/off ratio; stimulated Brillouin scattering;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19910987
