Wang Shi-He, Ren Li-Yong, Liu Yu. Theoretical study on stimulated-Brillouin-scattering gain-spectrum broadening and pulse-distortion reduction of slow-light propagation using double broadband pump in optical fibersJ. Acta Physica Sinica, 2009, 58(6): 3943-3948. DOI: 10.7498/aps.58.3943