期刊
OPTICAL AND QUANTUM ELECTRONICS
卷 53, 期 4, 页码 -出版社
SPRINGER
DOI: 10.1007/s11082-021-02817-y
关键词
Nonlinear magneto-optical absorption; FWHM; Electron-phonon interaction; Finite semi-parabolic quantum well
资金
- Sai Gon University [CS2019-01]
This study investigates the magneto-optical absorption properties of a GaAs/Ga1-xAlxAs quantum well with a finite semi-parabolic potential under the influence of Al-doped concentration, hydrostatic pressure, and temperature. The absorption peaks' energy separation, intensity, and position are found to be dependent on these parameters, with the FWHM variation used to analyze absorption characteristics. The temperature-dependent FWHM is found to be in qualitative agreement with experimental observations.
The magneto-optical absorption properties, including magneto-optical absorption coefficient (MOAC) and its line-width, or the full-width at half-maximum (FWHM), of a GaAs/ Ga1-sAlsAs quantum well with a finite semi-parabolic potential are studied under the combined effects of the Al-doped concentration (s), the hydrostatic pressure (P), and the temperature (T). The MOAC is expressed as a function of photon energy for distinct values of s, P, T, and the well-width (L-z) when the electron-phonon interaction is included. The energy separation as well as the intensity and position of absorption peaks depend on these parameters. The variation of the FWHM of absorption peaks is used to study absorption characteristics as a function of s, P, T, and L-z. The temperature-dependent FWHM is found to qualitatively consistent with experimental observations.
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