Simulation of all-optical NOR gate design with improved extinction ratio using semiconductor optical amplifier

Optical computers, leveraging the advantages of light characteristics, hold the potential to outperform electronic computers significantly. The role of all-optical logic gates is pivotal in realizing such high-performance computing systems. This research introduces a streamlined design for an all-optical NOR logic gate utilizing a semiconductor optical amplifier. The proposed gate operates at a remarkable data rate of 40 Gbps, achieving an excellent extinction ratio of 20.285 dB. Notably, the design exhibits very low dispersion (-0.029 x 10+006 ps/nm) and an impressively low bit error rate of 4.27 x 10-26.