List of Articles Coupling Open Access Article Abstract Page Full-Text 1 - The Design of half-subtractor Logic Function Based on NonlinearDirectional Coupler Open Access Article Abstract Page Full-Text 2 - A novel design for all-optical NAND/NOR/XOR gates based on nonlinear directional coupler Open Access Article Abstract Page Full-Text 3 - Evaluation of reliability of object-oriented systems based on Cohesion and Coupling Fuzzy computing Samira Kalantari Masoomeh Alizadeh Homayoun Motameni