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2006 | 110 | 3 | 275-286
Article title

Optical Spectroscopy of Quantum Dots in High Magnetic Fields

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EN
Abstracts
EN
Optical spectroscopy measurements of single InAs/GaAs self-assembled quantum dots have been performed. The multiexcitonic emission from the s-, p-, and d-shells of a single dot is observed and investigated in magnetic field up to 28 T. The Zeeman splitting of the s-shell excitons has been found to depend on the dot morphology. While the energy-splitting in flat (2 nm height) dots linearly increases with magnetic field, its significant non-linearity is observed for larger in size, tall (4 nm height) dots. The effect of magnetic field on the orbital motion of carriers in dots has also been investigated. It has been found that the modified Fock-Darwin pattern explains the observed evolution of the emission from highly-excited single tall quantum dot.
Keywords
EN
Year
Volume
110
Issue
3
Pages
275-286
Physical description
Dates
published
2006-09
received
2006-06-17
References
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Document Type
Publication order reference
YADDA identifier
bwmeta1.element.bwnjournal-article-appv110n301kz
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