Diagnostics of the efficiency of surface plasmon-polariton excitation by quantum dots via polarization measurements of the output radiation

被引：0
|
作者：
V. A. Kukushkin
N. V. Baidus
A. V. Zdoroveishchev
机构：
[1] Russian Academy of Sciences,Institute of Applied Physics
[2] Lobachevsky State University of Nizhni Novgorod,Physicotechnical Research Institute
[3] Lobachevsky State University of Nizhni Novgorod,undefined
来源：
Semiconductors | 2015年 / 49卷
关键词：
Surface Plasmon Polaritons; Output Radiation; Semiconductor Interface; Plasmon Laser; Polariton Generator;
D O I：
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中图分类号：
学科分类号：
摘要：
It is demonstrated that the efficiency of surface plasmon-polariton excitation at a metal-semiconductor interface by active quantum dots can be determined from measurements of the polarization characteristics of the output radiation. Experimentally, the proposed diagnostic method is based on finding the ratio of the intensities of the output radiation with polarizations orthogonal and parallel to the nanoheterostructure plane for two different distances between the quantum-dot layer and the metal-semiconductor interface. These data are then used to obtain the unknown parameters in the proposed mathematical model which makes it possible to calculate the rate of surface plasmon-polariton excitation by active quantum dots. As a result, this rate can be determined without complicated expensive equipment for fast time-resolved measurements.
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页码：785 / 790
页数：5
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