List of Articles Mohammad Ghiamy Article 1 - Design of a new narrow band channel drop filter based on photonic crystal ring resonator aram khoshtinat Mohammad ghiamy journal of Artificial Intelligence in Electrical Engineering , Issue 5 , Year , Winter 2017 Article 2 - A Novel Structure for Optical Channel Drop Filter using Two-Dimensional Photonic Crystals with Square Lattice aram khoshtinat Mohammad Ghiamy journal of Artificial Intelligence in Electrical Engineering , Issue 2 , Year , Summer 2017