Open AccessSIGNAL PROCESSING AND CYBERSECURITY IN SOME CHAOTIC OPTICAL COMMUNICTAION SYSTEMS
Author(s) -
E. V. Bakunina,
Oleh Dykyi
Publication year - 2021
Publication title -
fotoèlektronika
Language(s) - English
Resource type - Journals
ISSN - 0235-2435
DOI - 10.18524/0235-2435.2020.29.225487
Subject(s) - chaotic , transmitter , signal processing , computer science , signal (programming language) , series (stratigraphy) , optical chaos , gigabit , control theory (sociology) , entropy (arrow of time) , electronic engineering , semiconductor laser theory , statistical physics , laser , physics , telecommunications , optics , digital signal processing , engineering , artificial intelligence , quantum mechanics , computer hardware , paleontology , channel (broadcasting) , control (management) , biology , programming language
A chaos –geometric approach to investigation of complex chaotic dynamical systems is applied to an analysis, modeling and processing the time series of emission intensities of chaotic transmitter/receiver systems (two unidirectionally coupled semiconductor laser systems in the all-optical scheme) suited for encoding at rates of GBit/s. the problem of a signal processing is directly connected with the corresponding cybersecurity in some optical chaos communictaion systems. The estimated values for the dynamic and topologic invariants such as the correlation and Kaplan-York dimensions, Lyapunov indicators, Kolmogorov entropy etc for investigated chaotic signal time series of two unidirectionally coupled semiconductor laser systems in the all-optical scheme.