WASET
    Surinder Singh and  Adish Bindal,  An Approach to Flatten the Gain of Fiber Raman Amplifiers with Multi-Pumping.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2015, vol. 102(6). 1395 - 1400
    [viewed 11 May 2024]. Available from: https://publications.waset.org/pdf/10001328.