High-dimensional chaotic laser secure communication system based on variable laser power

Xinyu Zhang; Mi Li; Yifeng Hong; Minwei Chen; Yuechun Shi; Long Huang; Xiangfei Chen

doi:10.1117/12.2533929

17 May 2019 High-dimensional chaotic laser secure communication system based on variable laser power

Xinyu Zhang, Mi Li, Yifeng Hong, Minwei Chen, Yuechun Shi, Long Huang, Xiangfei Chen

Proceedings Volume 11170, 14th National Conference on Laser Technology and Optoelectronics (LTO 2019); 111703L (2019) https://doi.org/10.1117/12.2533929
Event: Fourteenth National Conference on Laser Technology and Optoelectronics, 2019, Shanghai, China

Abstract

In recent years, with the development of eavesdropping technology, how to improve the security of data transmission has become a hot research issue. In order to enhance the security of the secure communication system, a chaotic laser secure communication system with variable laser power is proposed in this paper. Based on the original optoelectronic feedback chaotic laser communication system, the change of laser power is regarded as a new key. The simulation results show that the error rate of the eavesdropper is above 10^-2 over most of the laser power, and the average error bit rate of the eavesdropper is 7 orders of magnitude higher than the average error rate of the authorized receiver. In addition, the appropriate masking efficiency will reduce the bit error rate of the eavesdropper, while it has little effect on the eavesdropper. The system scheme can be used in communication with high confidentiality requirements in the future.

Citation Download Citation

Xinyu Zhang, Mi Li, Yifeng Hong, Minwei Chen, Yuechun Shi, Long Huang, and Xiangfei Chen "High-dimensional chaotic laser secure communication system based on variable laser power", Proc. SPIE 11170, 14th National Conference on Laser Technology and Optoelectronics (LTO 2019), 111703L (17 May 2019); https://doi.org/10.1117/12.2533929

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