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Temperature effects of GaAs/Al0.45Ga0.55As superlattices on chaotic oscillation
For widespectrum chaotic oscillation,superlattice cryptography is an autonomous controllable brand-new technology.Originating from sequential resonance tunneling of electrons,the chaotic oscillation is susceptible to temperature change,which determines the performance of superlattices.In this paper,...
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Published in: | 中国物理B(英文版) 2021-11, Vol.30 (10), p.481-487 |
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Main Authors: | , , , , , |
Format: | Article |
Language: | English |
Online Access: | Get full text |
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Summary: | For widespectrum chaotic oscillation,superlattice cryptography is an autonomous controllable brand-new technology.Originating from sequential resonance tunneling of electrons,the chaotic oscillation is susceptible to temperature change,which determines the performance of superlattices.In this paper,the temperature effects of chaotic oscillations are inves-tigated by analyzing the randomness of a sequence at different temperatures and explained with superlattice microstates.The results show that the bias voltage at different temperatures makes spontaneous chaotic oscillations vary.With the tem-perature of superlattices changing,the sequence dives in entropy value and randomness at specific bias.This work fills the gap in the study of temperature stability and promotes superlattice cryptography for practice. |
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ISSN: | 1674-1056 2058-3834 |
DOI: | 10.1088/1674-1056/ac04a6 |