Comparison of quantum nature in InAs/GaAs quantum dots

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We calculate the energy level spacing of InAs/GaAs quantum dots. From the calculations, as the size of quantum clot becomes larger, the spacing between ground state and 1st excited state increases. At a fixed quantum dot diameter, there is a height that gives the maximum level spacing. This interesting behavior comes from the small height to diameter ratio of typical quantum dots. From these results, the InAs/GaAs quantum dot emitting at a longer wavelength is typically the better QD system in view of dimensionality.
Publisher
KOREAN PHYSICAL SOC
Issue Date
2003
Language
English
Article Type
Article; Proceedings Paper
Keywords

LASER; INAS

Citation

JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.42, pp.S111 - S113

ISSN
0374-4884
URI
http://hdl.handle.net/10203/82246
Appears in Collection
RIMS Journal Papers
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