Dynamical analysis, FPGA implementation and its application to chaos based random number generator of a fractal Josephson junction with unharmonic current-phase relation

2020 ◽  
Vol 93 (3) ◽  
Author(s):  
Sifeu Takougang Kingni ◽  
Karthikeyan Rajagopal ◽  
Serdar Çiçek ◽  
Andre Cheukem ◽  
Victor Kamdoum Tamba ◽  
...  
Keyword(s):  
Josephson Junction ◽  
Phase Relation ◽  
Random Number ◽  
Random Number Generator ◽  
Fpga Implementation ◽  
Dynamical Analysis ◽  
Current Phase ◽  
Number Generator ◽  
Fractal Josephson Junction

Persistence and coexistence of infinite attractors in a fractal Josephson junction resonator with unharmonic current phase relation considering feedback flux effect

2021 ◽  
Vol 103 (2) ◽  
pp. 1979-1998
Author(s):  
Anitha Karthikeyan ◽  
Murat Erhan Cimen ◽  
Akif Akgul ◽  
Ali Fuat Boz ◽  
Karthikeyan Rajagopal
Keyword(s):  
Josephson Junction ◽  
Phase Relation ◽  
Current Phase ◽  
Fractal Josephson Junction

Analysis of a Fractal Josephson Junction with Unharmonic Current-Phase Relation

2019 ◽  
Vol 32 (8) ◽  
pp. 2295-2301 ◽  
Author(s):  
Sifeu Takougang Kingni ◽  
Gaetan Fautso Kuiate ◽  
Victor Kamdoum Tamba ◽  
Adjimon Vincent Monwanou ◽  
Jean Bio Chabi Orou
Keyword(s):  
Josephson Junction ◽  
Phase Relation ◽  
Current Phase ◽  
Fractal Josephson Junction

scholarly journals A Novel Hypogenetic Chaotic Jerk System: Modeling, Circuit Implementation, and Its Application

2020 ◽  
Vol 2020 ◽  
pp. 1-9
Author(s):  
Jiancheng Liu ◽  
Karthikeyan Rajagopal ◽  
Tengfei Lei ◽  
Sezgin Kaçar ◽  
Burak Arıcıoğlu ◽  
...  
Keyword(s):  
Numerical Simulation ◽  
Electronic Circuit ◽  
Random Number ◽  
System Modeling ◽  
Random Number Generator ◽  
Superior Performance ◽  
Dynamical Analysis ◽  
Number Generator ◽  
Circuit Implementation ◽  
Jerk System

When revising the polarity and amplitude information in the feedback, a unique hypogenetic jerk system was obtained which has two controllers to switch the equilibria between stable and unstable. After providing some basic dynamical analysis, an electronic circuit was implemented, and the phase trajectory in the oscilloscope agrees with the numerical simulation. Further exploration shows that this unique chaotic system has superior performance as a random number generator or in voice encryption application.

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