Role of effective mass in modulating linear and non-linear response properties of single carrier quantum dots: Interplay with system parameters

被引：0
|
作者：
Ghosh, Manas [3 ]
Mandal, Parikshit [3 ]
Bhattacharyya, S. P. [1 ,2 ]
机构：
[1] Indian Assoc Cultivat Sci, Dept Phys Chem, Kolkata 700032, India
[2] Indian Assoc Cultivat Sci, Ctr Atom Opt & Mol Sci, Kolkata 700032, India
[3] Visva Bharati Univ, Dept Chem, Chem Phys Sect, Santini Ketan 731235, W Bengal, India
来源：
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS | 2008年 / 69卷 / 11期
关键词：
Nanosrructures; Optical materials; Quantum wells; Semiconductors;
D O I：
10.1016/j.jpcs.2008.08.001
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We explore the pattern of effective mass dependence of linear and non-linear optical (NLO) response of one electron quantum dots harmonically confined in two dimensions. For different combinations of transverse magnetic field strength (omega(c)), harmonic confinement potential (omega(0)), and anharmonic interaction, the influence of the effective mass (m*) of the dot on linear (alpha), and the first (beta), and second (gamma) NLO responses of the system is computed through linear variational route. The investigation reveals a complicated interplay between the effective mass and the system parameters. (C) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2864 / 2876
页数：13
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