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Theoretical evidence for synchronous and multi-scroll attractors in coupled quantum dot light-emitting diode

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Abstract

The current research work presents an evidence on overall synchronization of loosely bound strength in chaotic systems along with a new coupled design based on dual quantum dot light-emitting diodes (QDLEDs) in order to generate n-scroll attractors. To characterize these phenomena, the researchers used a theoretical approach on the basis of time series and phase space maps, i.e., attractors. In case of coupled QDLED attractors, the phases are generally locked during synchronous regime while the amplitudes are correlated. With the proposed construction scheme, both frequency detuning and coupling strength of two systems can be tuned independently. Further, chaotic attractors with even or else odd count of scrolls can also be easily generated. The study also demonstrated distinct attractors with n scrolls obtained using coupled design.

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Acknowledgements

This work is supported by the Nassiriya Nanotechnology Research Laboratory (NNRL), Science College, University of Thi Qar, Iraq.

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Authors and Affiliations

  1. Department of Physics, College of Sciences, University of Thi-Qar, Nasiriyah, Iraq

    Sadeq Kh. Ajeel & Hussein B. Al Husseini

  2. Nassiriya Nanotechnology Research Laboratory (NNRL), College of Sciences, University of Thi-Qar, Nasiriyah, Iraq

    Sadeq Kh. Ajeel & Hussein B. Al Husseini

  3. Physics Department, Science College, University of Kerbala, Karbala, Iraq

    Rajaa Hussein Abd Ali

  4. Department of Physics, College of Education for Pure Sciences, University of Anbar, Ramadi, Iraq

    Salam K. Mousa

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  1. Sadeq Kh. Ajeel
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  2. Rajaa Hussein Abd Ali
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  3. Salam K. Mousa
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  4. Hussein B. Al Husseini
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Correspondence to Hussein B. Al Husseini.

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Ajeel, S.K., Abd Ali, R.H., Mousa, S.K. et al. Theoretical evidence for synchronous and multi-scroll attractors in coupled quantum dot light-emitting diode. J Opt 51, 467–473 (2022). https://doi.org/10.1007/s12596-021-00793-w

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  • DOI: https://doi.org/10.1007/s12596-021-00793-w

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