Renan S. Santos, Maria Aparecida G. Martinez, and Maria Thereza M. R. Giraldi. “A SIMPLE STRATEGY TO DESIGN BROADBAND LOW POWER CONSUMPTION DISTRIBUTED RAMAN AMPLIFIER”. Journal of Microwaves, Optoelectronics and Electromagnetic Applications (JMOe), vol. 16, no. 3, Aug. 2017, pp. 827-40, doi:10.1590/2179-10742017v16i31017.