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As part of the approximation of the effective mass, we studied the exciton of the confined light hole in a cylindrical quantum dot with a bi-layer structure \((GaN/Al_{0.2} Ga_{0.8} N/Al_{0.3} Ga_{0.7} N\) \()\) and their optical properties, such as optical integral and emission wavelength. The variational method was applied under stress and hydrostatic pressure. The effect of quantum confinement and hydrostatic pressure was studied. Hydrostatic pressure not only causes an increase in the emission wavelength, but also a decrease in the exciton optical integral.

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Influence of Hydrostatic Pressure on the Optical Properties of Excitons in a Core/Shells Cylindrical Quantum Dot

  • 会议论文

  • 发表日期：

    2025年

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  • Mohammed Hbibi,
  • Omar Mommadi,
  • Abdelaaziz El Moussaouy,
  • Carlos Alberto Duque,
  • Farid Falyouni

摘要

As part of the approximation of the effective mass, we studied the exciton of the confined light hole in a cylindrical quantum dot with a bi-layer structure \((GaN/Al_{0.2} Ga_{0.8} N/Al_{0.3} Ga_{0.7} N\) \()\) and their optical properties, such as optical integral and emission wavelength. The variational method was applied under stress and hydrostatic pressure. The effect of quantum confinement and hydrostatic pressure was studied. Hydrostatic pressure not only causes an increase in the emission wavelength, but also a decrease in the exciton optical integral.