Quantum theory of electroabsorption in semiconductor nanocrystals

被引：24
|
作者：
Tepliakov, Nikita V. [1 ]
Leonov, Mikhail Yu. [1 ]
Baranov, Alexander V. [1 ]
Fedorov, Anatoly V. [1 ]
Rukhlenko, Ivan D. [1 ,2 ]
机构：
[1] ITMO Univ, St Petersburg, Russia
[2] Monash Univ, Clayton Campus, Clayton, Vic 3800, Australia
来源：
OPTICS EXPRESS | 2016年 / 24卷 / 02期
关键词：
OPTICAL-ABSORPTION; DOT; LASERS; WELLS;
D O I：
10.1364/OE.24.000A52
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We develop a simple quantum-mechanical theory of interband absorption by semiconductor nanocrystals exposed to a dc electric field. The theory is based on the model of noninteracting electrons and holes in an infinitely deep quantum well and describes all the major features of electroabsorption, including the Stark effect, the Franz-Keldysh effect, and the field-induced spectral broadening. It is applicable to nanocrystals of different shapes and dimensions (quantum dots, nanorods, and nanoplatelets), and will prove useful in modeling and design of electrooptical devices based on ensembles of semiconductor nanocrystals. (C) 2015 Optical Society of America
引用
收藏
页码：A52 / A57
页数：6
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