Magnetic and temperature control in the emission of a quantum dot strongly coupled to a microcavity

被引：0
|
作者：
Jimenez-Orjuela, C. A. [1 ]
Vinck-Posada, H. [1 ]
Villas-Boas, Jose M. [2 ]
机构：
[1] Univ Nacl Colombia, Dept Fis, Bogota 111321, Colombia
[2] Univ Fed Uberlandia, Inst Fis, BR-38400902 Uberlandia, MG, Brazil
来源：
PHYSICA B-CONDENSED MATTER | 2020年 / 592卷
关键词：
Polarization; Quantum dot; Tilted magnetic;
D O I：
10.1016/j.physb.2020.412215
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
In this paper, we use a theoretical model in order to describe a quantum dot-cavity system at finite temperature. In addition, a tilted magnetic field is included which generates two bright exciton states with definite polarization that can be tuned by the Zeeman and diamagnetic shift. Strong coupling between the cavity and two bright states is observed when the magnetic field varies in strength and direction. Further, the magnetic field provides an additional parameter which allows the control in the emission of photons with right polarization when the system is pumped with photons of left polarization. © 2020 Elsevier B.V.
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页数：5
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