RT info:eu-repo/semantics/article T1 "Slow Light” in stimulated Brillouin scattering: on the influence of the spectral width of pump radiation on the group index: Comment A1 González Herráez, Miguel A1 Thévenaz, Luc K1 Slow light K1 Nonlinear optics K1 Fibers K1 Scattering K1 Stimulated Brillouin K1 Propagation K1 Ciencias tecnológicas K1 Electrónica K1 Technology K1 Electronics AB In a recent paper by Kovalev et al [Optics Express 17, 17317(2009)] the coupled equations describing stimulated Brillouin scattering(SBS) were solved in the Fourier domain. The main conclusion driven bythe authors was that SBS pump spectral broadening was not effective inincreasing the interaction bandwidth. While the calculations are essentiallycorrect, the interpretation of the results leads to erroneous conclusions. PB Optical Society of America SN 1094-4087 YR 2010 FD 2010-03-31 LK http://hdl.handle.net/10017/31019 UL http://hdl.handle.net/10017/31019 LA eng DS MINDS@UW RD 01-may-2024