Najm M. Al-Hosiny,  Main Variables Competition in DFB Lasers under Dual Optical Injection.   journal   = {International Journal of Physical and Mathematical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    January 2013, vol. 73(1). 22 - 24
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/8723.