Third harmonic generation of spherical multilayered quantum dot: effects of quantum confinement, impurity, electric and magnetic fields

被引：12
作者：
Kirak, M. [1 ]
Yilmaz, S. [2 ]
机构：
[1] Yozgat Bozok Univ, Dept Math & Sci Educ, TR-66200 Yozgat, Turkey
[2] Yozgat Bozok Univ, Dept Phys, TR-66200 Yozgat, Turkey
来源：
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2022年 / 128卷 / 05期
关键词：
Third harmonic generation; Multilayer quantum dot; Electric field; Magnetic field; NONLINEAR-OPTICAL PROPERTIES; SPIN-ORBIT INTERACTION; HYDROGENIC IMPURITY; 3RD-HARMONIC GENERATION; BINDING-ENERGY; HYDROSTATIC-PRESSURE; EXTERNAL FIELDS; DONOR IMPURITY; STATES; WELL;
D O I：
10.1007/s00339-022-05601-1
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this study, simultaneous effects of hydrogenic impurity, core radius and layer thickness, external electric and magnetic fields on the third harmonic generation (THG) of core/shell/well/shell spherical quantum dot are noticed. The wavefunctions and energy values are obtained using 2D finite difference method within the effective mass approximation. Our results show that THG coefficient is more effected by the external fields and sizes of core, barrier and well regions. Also, we investigated the effects of on-center hydrogenic donor impurity on THG of structure, and show that the presence of impurity causes a significant reduction of the magnitude of THG in certain potential parameter values.
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收藏
页数：10
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