Energy spectrum and optical properties in a double parabolic quantum ring: Effects of the impurity, the magnetic field and the spin–orbit interaction

Wang, Jiashen; Guo, Kangxian

doi:10.1016/j.optlastec.2024.110576

Optics & Laser Technology

2024

DOI: 10.1016/j.optlastec.2024.110576

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Energy spectrum and optical properties in a double parabolic quantum ring: Effects of the impurity, the magnetic field and the spin–orbit interaction

Jiashen Wang,

Kangxian Guo

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Cited by 2 publications

References 34 publications

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Hopf-link GaAs-AlGaAs quantum ring under geometric and external field settings

Ospina,

Duque,

Mora-Ramos

et al. 2024

Physica E: Low-dimensional Systems and Nanostructures

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Hopf-link GaAs-AlGaAs quantum ring under geometric and external field settings

Ospina,

Duque,

Mora-Ramos

et al. 2024

Physica E: Low-dimensional Systems and Nanostructures

View full text Add to dashboard Cite

Effect of spin-orbit coupling and impurities on the optical properties of double quantum rings under magnetic fields

Shao,

Wang,

et al. 2024

J. Opt. Soc. Am. B

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In this paper, the energy spectrum of concentric double quantum rings (CDQRs) with double well confinement under the influence of spin-orbit interactions (SOIs), magnetic fields, and hydrogen donor impurities is studied by using diagonalization. The light absorption coefficient is then calculated in the form of a compactness density-matrix. Key findings from this study include the ability to manipulate fine energy level splitting and optical absorption coefficients by tuning the magnetic field, impurity position, spin-orbit coupling, and inner rings size. Furthermore, this study reveals the bleaching effect of the optical absorption coefficient under certain conditions and demonstrates the anisotropic nature of the system through changes in the optical absorption coefficients (OACs) for different incident light polarization angles.

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Energy spectrum and optical properties in a double parabolic quantum ring: Effects of the impurity, the magnetic field and the spin–orbit interaction

Cited by 2 publications

References 34 publications

Hopf-link GaAs-AlGaAs quantum ring under geometric and external field settings

Hopf-link GaAs-AlGaAs quantum ring under geometric and external field settings

Effect of spin-orbit coupling and impurities on the optical properties of double quantum rings under magnetic fields

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