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Single SOA based all-optical adder assisted by optical bandpass filter: Theoretical analysis and performance optimization |
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| Authors: | Jianji Dong Songnian Fu Xinliang Zhang P. Shum Liren Zhang Jing Xu Dexiu Huang |
| Affiliation: | aWuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, China bNetwork Technology Research Centre, EEE School, Nanyang Technological University, Reseach TechnoPlaza, Slab Block, 4, 50 Nanyang Drive, Singapore 637553, Singapore |
| Abstract: | A simple and compact configuration of all-optical adders implemented with a single semiconductor optical amplifier (SOA) and optical bandpass filter (OBF) is presented in this paper. A comprehensive SOA model is put forward to investigate the output characteristics of the all-optical adders. The numerical simulation results demonstrate the influence of these key parameters, including input pulse peak power, pulsewidth, repetition rate, and OBF characteristics. Moreover some design rules are extracted for the proper selection of these parameters so as to ensure optimum performance. The obtained results confirm the feasibility of our configuration. |
| Keywords: | Semiconductor optical amplifier All-optical logic Half adder Full adder |
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