List of Articles Optical switch Open Access Article Abstract Page Full-Text 1 - Design and Simulation of Voltage Controlled Plasmonic 4*1 Switch Based on Graphene Ribbons Tohid Kalantari Mahdi Zavvari 10.30495/jce.2022.686991 Open Access Article Abstract Page Full-Text 2 - Optimization and evaluation of structural performance in the design of an all-optical nano-switch based on two-dimensional and alternating photon crystal structures used in all-optical circuits adel habibpour Open Access Article Abstract Page Full-Text 3 - Nonlinear Energy Exchange between Solitons in Modes of a Silica Few-mode Fiber Saba Parva Mohsen Hatami 10.30495/jopn.2022.29968.1259