Abdulamgid.T. Bouzed and  Suleiman. M. Elhamali,  Detection of Max. Optical Gain by Erbium Doped Fiber Amplifier.   journal   = {International Journal of Physical and Mathematical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    March 2013, vol. 75(3). 320 - 322
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/4957.