List of Articles Subtractor Open Access Article Abstract Page Full-Text 1 - Ultra-Fast All-Optical Half Subtractor Based on Photonic Crystal Ring Resonators Mohammad Soroosh Atefeh Mirali Ebrahim Farshidi 20.1001.1.24237361.2020.5.1.6.1 Open Access Article Abstract Page Full-Text 2 - Designing of all-optical subtractor via PC-based resonators Forogh Pakrai Mohammad Soroosh jabbar ganji 10.30495/jopn.2022.29545.1246 20.1001.1.24237361.2022.7.2.3.4