An Innovative Electro-Optical Chaotic System Using Electrical Mutual Injection With Nonlinear Transmission Function
| Autor: | Feilong Xie, Yizhao Huang, Jun Zheng, Hanping Hu |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2018 |
| Předmět: |
lcsh:Applied optics. Photonics
Electro-optical modulation time-delay concealment Computer science Chaotic Lyapunov exponent Communications system Topology Bifurcation diagram 01 natural sciences Synchronization 010309 optics symbols.namesake secure optical communications 0103 physical sciences lcsh:QC350-467 Electrical and Electronic Engineering 010306 general physics Autocorrelation lcsh:TA1501-1820 Mutual information chaotic synchronization Atomic and Molecular Physics and Optics Nonlinear system symbols lcsh:Optics. Light |
| Zdroj: | IEEE Photonics Journal, Vol 10, Iss 1, Pp 1-12 (2018) |
| ISSN: | 1943-0655 |
| Popis: | In the purpose of improving the complexity and the security of chaotic communication system, a novel electro-optical intensity chaotic system using electrical mutual injection with nonlinear transmission function is proposed. The electro-optical intensity chaotic system consisting of two delay feedback branches in a serial configuration extends keys space scale. The dynamic characteristics of the proposed system are investigated by means of the bifurcation diagram, the largest Lyapunov exponents, and the permutation entropy, and the security are also analyzed through the autocorrelation function and the delayed mutual information. The simulation results show that the proposed system can acquire higher complexity and the better security, compared with the recent ones. The scheme allows the system to enter chaos with a low gain and the time-delay concealed effectively due to a nonlinear transmission function. Besides, the communication synchronization on basis of the proposed system is discussed. It comes to a conclusion that the proposed chaotic system has potential applications in secure communications. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|