List of Articles ابراهیم فرشیدی Article 1 - Ultra-Fast All-Optical Half Subtractor Based on Photonic Crystal Ring Resonators 20.1001.1.24237361.2020.5.1.6.1 Mohammad Soroosh Atefeh Mirali Ebrahim Farshidi Journal of Optoelectronical Nanostructures , Issue 16 , Year , Spring 2020