فهرس المقالات Vahid Fallahi المقاله 1 - Design of an Improved Optical Filter Based on Dual-Curved PCRR for WDM Systems 20.1001.1.24237361.2017.2.4.4.4 Vahid Fallahi Mahmood Seifouri Journal of Optoelectronical Nanostructures , العدد 7 , السنة 2 , زمستان 2017 المقاله 2 - Novel Four-Channel All Optical Demultiplexer Based on Square PhCRR for Using WDM Applications 20.1001.1.24237361.2018.3.4.5.2 Vahid Fallahi Mahmood Seifouri Journal of Optoelectronical Nanostructures , العدد 11 , السنة 3 , زمستان 2018 المقاله 3 - Novel structure of optical add/drop filters and multi-channel filter based on photonic crystal for using in optical telecommunication devices 20.1001.1.24237361.2019.4.2.5.5 Vahid Fallahi Mahmood Seifouri Journal of Optoelectronical Nanostructures , العدد 13 , السنة 4 , تابستان 2019