Title	All-optical Switch and Hard Limiter device using a Twin Defects in Two-dimensional Nonlinear Photonic Crystals
Author	Ali Rostami, Hamed Alipour
Citation	Vol. 6  No. 7  pp. 206-210
Keywords	All-optical switching, Twin Defect layers, Nonlinear Photonic Crystals, Hard Limiter

Title	Investigation of Chromatic Dispersion and Pulse Broadening Factor of Two New Multi-clad Optical Fibers
Author	Ali Rostami, Morteza Savadi Oskouei
Citation	Vol. 6  No. 8  pp. 60-68
Keywords	Multi-clad optical Fibers, Dispersion, Pulse Broadening