S. Olyaee and  M. Seifouri and  A. Nikoosohbat and  M. Shams Esfand Abadi,  Low Nonlinear Effects Index-Guiding Nanostructured Photonic Crystal Fiber.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2015, vol. 98(2). 253 - 257
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/10000373.