Ahmed, M. , Bakry, A. , Mahmoud, S.. "Influence of Chirp of High-Speed Laser Diodes and Fiber Dispersion on Performance of Non-Amplified 40-Gbps Optical Fiber Links". World Academy of Science, Engineering and Technology, Open Science Index 97, International Journal of Physical and Mathematical Sciences, (2015), 9(1), 12 - 16.