List of Articles physical-layer performance Open Access Article Abstract Page Full-Text 1 - Performance Engineering of Transparent Widearea Optical WRN Networks Through Static Routing (Considering Restoration) Mehdi Karimian Seyed Sadegh Fadaei Open Access Article Abstract Page Full-Text 2 - Impact of Routing Approaches on Network-Layer and Physical-Layer in Wavelength Routed Optical Networks Mehdi Karimiyan-Mohammadabadi Mohammad Hasan Majed Samiei