Design and analysis of single-mode PCF in optical communication covering E to L bands with ultra-high negative dispersion - M. I. Islam; M. Khatun; K. Ahmed; S. Asaduzzaman; B. K. Paul; M. S. Islam; S. Chowdhury; S. Sen; M. B.A. Miah; A. N. Bahar (Ukrainian journal of physics, 2017)