Inderpreet Kaur and  Neena Gupta,  Performance Enhancement of DWDM Systems Using HTE Configuration HTE Configuration for 1479-1555nm Wavelength Range.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2013, vol. 78(6). 637 - 641
    [viewed 05 May 2024]. Available from: https://publications.waset.org/pdf/8550.