Boosting the performance of Brillouin ampli?cation at sub-quarter-critical densities via reduction of parasitic Raman scattering - Trines, R. M. G.; Alves, E. P.; Humphrey, K. A.; Bingham, R.; Cairns, R. A.; Fiuza, F.; Fonseca, R. A.; Silva, L. O. (2021)