Shabbir Chowdhury and  Japatosh Mondal,  Designing of a Non-Zero Dispersion Shifted Fiber with Ultra-High Birefringence and High Non-Linearity.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2020, vol. 162(6). 160 - 166
    [viewed 06 August 2020]. Available from: https://publications.waset.org/pdf/10011253.