The Exciton-Polariton Dispersion Law under the Action of Strong Pumping in the Region of the M-Band of Luminescence

被引:4
|
作者
Khadzhi, P. I. [1 ,2 ]
Nad'kin, L. Yu. [2 ]
Markov, D. A. [2 ]
机构
[1] Moldavian Acad Sci, Inst Appl Phys, Kishinev 2028, Moldova
[2] Taras Shevchenko Transnistria State Univ, Tiraspol 3300, Moldova
关键词
OPTICAL-PROPERTIES; BIEXCITONS;
D O I
10.1134/S1063783418040145
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
The double-pulse interaction with excitons and biexcitons in semiconductors is studied theoretically. It is shown that the dispersion law of carrier wave has three branches under the action of a powerful pumping in the region of the M-band of luminescence. Values of parameters at which the dispersion law branches can intersect due to the degeneration of the exciton level energy have been found. The effect of a significant change in the force of coupling between the exciton and photon of a weak pulse with a change in the pumping intensity is predicted.
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页码:663 / 668
页数:6
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