Herein, the second harmonic generation (SHG) associated with intersubband transitions in semiconductor quantum dots (QDs) is studied theoretically, with emphasis on the effects of the screened Kratzer (SK) potential parameters and regulating factors, such as temperature and the depth of potential. The Nikiforov–Uvarov Functional Analysis (NUFA) method is applied for solving the radial Schrödinger equation. Then, the formulae for the SHG coefficient are derived using the compact-density-matrix method. The results display that the SK potential parameters and the regulating factors play a key role in both the peak and position changes of the SHG in semiconductor QDs system.

Conflict of Interest

The authors declare no conflict of interest.

Open Research

Data Availability Statement

The data that support the findings of this study are available from the corresponding author upon reasonable request.

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Volume259, Issue11

November 2022

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Optical Second Harmonic Generation in GaAs/Ga_1−xAl_xAs Quantum Dots with Screened Kratzer Potential

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Optical Second Harmonic Generation in GaAs/Ga1−xAlxAs Quantum Dots with Screened Kratzer Potential

Abstract

Conflict of Interest

Open Research

Data Availability Statement

References

Citing Literature

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Optical Second Harmonic Generation in GaAs/Ga_1−xAl_xAs Quantum Dots with Screened Kratzer Potential