Third-harmonic generation of a laser-driven quantum dot with impurity

被引：23

作者：

Sakiroglu, S. ^{[1
]}

Kilic, D. Gul ^{[2
]}

Yesilgul, U. ^{[3
]}

Ungan, F. ^{[3
]}

Kasapoglu, E. ^{[4
]}

Sari, H. ^{[5
]}

Solunen, I ^{[1
]}

机构：

[1] Dokuz Eylul Univ, Fac Sci, Phys Dept, TR-35390 Izmir, Turkey

[2] Dokuz Eylul Univ, Grad Sch Nat & Appl Sci, Phys Dept, TR-35390 Izmir, Turkey

[3] Cumhuriyet Univ, Fac Technol, Dept Opt Engn, TR-58140 Sivas, Turkey

[4] Cumhuriyet Univ, Fac Sci, Phys Dept, TR-58140 Sivas, Turkey

[5] Cumhuriyet Univ, Fac Educ, Dept Math & Nat Sci Educ, TR-58140 Sivas, Turkey

来源：

PHYSICA B-CONDENSED MATTER | 2018年 / 539卷

关键词：

Quantum dot; Intense laser field; Nonlinear optics; Impurity; NONLINEAR-OPTICAL RECTIFICATION; 3RD HARMONIC-GENERATION; INTENSE LASER; ELECTRONIC STATES; FIELD; ABSORPTION; INTERPLAY; SPECTRA; ENERGY; RINGS;

D O I：

10.1016/j.physb.2018.04.005

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The third-harmonic generation (THG) coefficient for a laser-driven quantum dot with an on-center Gaussian impurity under static magnetic field is theoretically investigated. Laser field effect is treated within the high-frequency Floquet approach and the analytical expression of the THG coefficient is deduced from the compact density-matrix approach. The numerical results demonstrate that the application of intense laser field causes substantial changes on the behavior of THG. In addition the position and magnitude of the resonant peak of THG coefficient is significantly affected by the magnetic field, quantum dot size and the characteristic parameters of the impurity potential.

引用

页码：101 / 105

页数：5

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