List of Articles FDTD Open Access Article Abstract Page Full-Text 1 - A Novel Structure for Optical Channel Drop Filter using Two-Dimensional Photonic Crystals with Square Lattice aram khoshtinat Mohammad Ghiamy Open Access Article Abstract Page Full-Text 2 - A New Design for Photonic Crystal Ring Resonator Based Add-Drop Filter Using Nested Rectangular Rings Open Access Article Abstract Page Full-Text 3 - The New Method for Optical Channel Drop Filter with High Quality Factor Based on Triangular Photonic Crystal Design ابولفضل اسدپور حامد علیپور بنایی علیرضا عندلیب Open Access Article Abstract Page Full-Text 4 - Optical Filter Based On Point Defects in 2D Photonic Crystal Structur آرزو مالکی