Securing and auto-synchronizing communication over free-space optics using quantum key distribution and chaotic systems

Naveed Mahmud; Esam El-Araby; Harry Shaw; Lavida Cooper

doi:10.1117/12.2318849

18 September 2018 Securing and auto-synchronizing communication over free-space optics using quantum key distribution and chaotic systems

Naveed Mahmud, Esam El-Araby, Harry Shaw, Lavida Cooper

Author Affiliations +

Proceedings Volume 10771, Quantum Communications and Quantum Imaging XVI; 107710U (2018) https://doi.org/10.1117/12.2318849
Event: SPIE Optical Engineering + Applications, 2018, San Diego, California, United States

Abstract

Free-Space Optical (FSO) communication provides very large bandwidth, relatively low cost, low power, low mass of implementation, and improved security when compared to conventional Free-Space Radio-Frequency (FSRF) systems. In this paper, we demonstrate a communication protocol that demonstrates improved security and longer-range FSO communication, compared to existing FSO security techniques, such as N-slit interferometers. The protocol integrates chaotic communications with Quantum Key Distribution (QKD) techniques. A Lorenz chaotic system, which is inherently secure and auto-synchronized, is utilized for secure data communications over a classical channel, while QKD is used to exchange crucial chaotic system parameters over a secure quantum channel. We also provide a concept of operations for a NASA mission combining chaotic communications and QKD operating synergistically in an end-to-end space communications link. The experimental simulation results and analysis are favorable towards our approach.

Conference Presentation

Citation Download Citation

Naveed Mahmud, Esam El-Araby, Harry Shaw, and Lavida Cooper "Securing and auto-synchronizing communication over free-space optics using quantum key distribution and chaotic systems", Proc. SPIE 10771, Quantum Communications and Quantum Imaging XVI, 107710U (18 September 2018); https://doi.org/10.1117/12.2318849

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