Josephson junction parameters extraction method for the RCLSJ model

Gao, Yinghui; Gao, Xi; Ren, Jie; Li, Siqi; Zhang, Xue; Zhang, Hui; Lin, Qian; Niu, Minghui; Shi, Wensheng; Ying, Liliang; Wang, Zhen

doi:10.1016/j.physc.2022.1354076

Cited by 2 publications

(1 citation statement)

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“…Though the RCLSJJO was not considered extensively regarding the literature of the JJ, its vast uses and technological integration have subjected the circuit design to increasing research findings. The existing literature on the model and application has been exposed recently by different scholars [21,26,[29][30][31][32][33][34][35], but PRNG and combination synchronization in the model at low critical temperature superconductor is not investigated and remains open. This aspect is interesting as it observed security in communications which is investigated in this research paper.…”

Section: Introductionmentioning

confidence: 99%

Josephson junction oscillator embedded in the microcontroller: Pseudo-random number generation and combination synchronization

Sriram,

Awilo,

Donald Dongmo

et al. 2023

Phys. Scr.

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Dynamical scrutiny of the resistive capacitive inductive shunted Josephson junction (JJ) oscillator (RCLSJJO), microcontroller realization, pseudo-random number generation (PRNG) and combination synchronization are achieved in this paper. Numerical probing led to the establishment that the RCLSJJO is characterized by regular behaviors, bistable periodic-2-oscillations, periodic bursting characteristics and various shapes of chaotic dynamics. Thereafter, the vast dynamical characteristics obtained theoretically are realized by the microcontroller realization with qualitative agreements. Moreover, a chaos-based PRNG is designed by using chaotic RCLSJJO and linear feedback shift register (LFSR) as post-processing unit. Satisfactory results are obtained from the NIST 800–22 test suite and the randomness of binary data generated from the proposed RCLSJJO-based PRNG is confirmed for chaos-based digital applications. Lastly, the combination chaos synchronization of two drive and one response RCLSJJO is proven thanks to the theoretical analysis.

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