An all-optical method of developing data communication system with error detection circuit |
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| Affiliation: | 1. School of Material Science and Engineering, Shaanxi University of Science and Technology, Xi’an, Shaanxi 710021, PR China;2. School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, PR China;1. Key Lab of Optical Fiber Sensing and Communication Networks (Ministry of Education), School of Communication and Information Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China;2. Department of Electrical Engineering, University of Southern California, Los Angeles, CA 90089, USA;3. School of Electrical and Electronic Engineering, Nanyang Technological University, 637553 Singapore, Singapore;1. State Key Laboratory of Information Photonics and Optical Communications (School of Information and Communication Engineering, Beijing University of Posts and Telecommunications), Beijing 100876, China;2. School of Electrical and Information Engineering, Taiyuan University of Science and Technology, Taiyuan 030024, China |
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| Abstract: | The basic criterion of data communication is that received data should exactly be the replica of the transmitting data. If any error is introduced in the received data, then data transmission should be stopped immediately. In this article the authors have developed an all-optical method of data communication system with error detection mechanism that works with frequency encoded data. Basic building blocks of the proposed data communication scheme are parity generator and parity checker which are developed from all optical XOR logic gates. Simulation results testify the feasibility of the proposed scheme. These logic gates are developed exploiting nonlinear polarization rotation based frequency conversion and switching character of semiconductor optical amplifiers. The scheme with frequency encoded data, high speed of frequency conversion and polarization switching action of semiconductor optical amplifier offers secure, error free, faster data communication network. |
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| Keywords: | Semiconductor optical amplifier (SOA) Polarization switch (PSW) Multiplexer (MUX) Demultiplexer (DMUX) Parity checker Delay line |
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