Two-dimensional parametric polynomial chaotic system

Z Hua, Y Chen, H Bao, Y Zhou - IEEE Transactions on Systems …, 2021 - ieeexplore.ieee.org
When used in engineering applications, most existing chaotic systems may have many
disadvantages, including discontinuous chaotic parameter ranges, lack of robust chaos, and …

Optical cryptosystem for visually meaningful encrypted images based on gyrator transform and Hénon map

MG Abdelfattah, SF Hegazy, NFF Areed… - Optical and Quantum …, 2022 - Springer
A novel image encryption scheme generating visually meaningful encrypted images (VMEIs)
is presented based on the gyrator transform (GT) and the Hénon chaotic map. The optical …

Compact optical asymmetric cryptosystem based on unequal modulus decomposition of multiple color images

M Abdelfattah, SF Hegazy, NFF Areed… - Optics and Lasers in …, 2020 - Elsevier
In this paper, a silhouette-free and crosstalk-free multiple-color-image cryptosystem is
presented based on unequal modulus decomposition (UMD) in the gyrator transform (GT) …

Highly efficient modified dual D-shaped PCF polarization filter

Y Gamal, BM Younis, SF Hegazy, Y Badr… - Optical Fiber …, 2021 - Elsevier
In this work, a highly efficient transverse-electric (TE) pass polarizer based on dual D-
shaped photonic crystal fiber (PCF) is designed and analyzed. The PCF birefringence …

Efficient secure NOMA schemes based on chaotic physical layer security for wireless networks

IM Al-Musawi, WA Al-Hussaibi… - IEEE Open Journal of the …, 2022 - ieeexplore.ieee.org
Non-orthogonal multiple access (NOMA) is considered by the 3GPP as a potential
technology for beyond 5G wireless networks to support massive connectivity with robust …

Efficient and secure bit-level chaos security algorithm for orbital angular momentum modulation in free-space optical communications

SA El-Meadawy, AEA Farghal, HMH Shalaby… - IEEE …, 2021 - ieeexplore.ieee.org
Currently, secure multimedia applications are becoming a very hot research topic,
specifically over the Internet and wireless communication networks due to their rapid …

Chaos-based physical layer security in NOMA networks over Rician fading channels

I Al-Musawi, W Al-Hussaibi, F Ali - 2021 IEEE International …, 2021 - ieeexplore.ieee.org
Owing to its striking features, non-orthogonal multiple access (NOMA) is considered as a key
technique to realize the main goals of 5G and beyond like high reliability and user …

A universal method of chaos cascade and its applications

F Yuan, Y Li, G Wang - Chaos: An Interdisciplinary Journal of Nonlinear …, 2021 - pubs.aip.org
This paper proposes a universal method for a cascade chaotic system (CCS). CCSs may
own better performances, including larger maximum Lyapunov exponents, extended full …

Chaos-based secure power-domain NOMA for wireless applications

I Al-Musawi, W Al-Hussaibi, YH Tahir… - 2020 23rd International …, 2020 - ieeexplore.ieee.org
Non-orthogonal multiple access (NOMA) is considered as one of the key technologies to
achieve the main targets of 5G wireless networks such as high connectivity and reliability …

Programmable Broadband Polarization-Preserving Optical Delay Line with Faraday Mirrors

SF Hegazy, SSA Obayya, BEA Saleh - Journal of Lightwave …, 2024 - opg.optica.org
We report a broadband optical delay line programmable for delays up to 1 with nanosecond
resolution, while preserving an arbitrary and unknown polarization state of the original light …