Electronic states and light absorption in quantum dot molecule

K G Dvoyan,Zh M Wang,E M Kazaryan,G J Salamo,A A Tshantshapanyan

doi:10.1063/1.3592258

Electronic states and light absorption in quantum dot molecule

K G Dvoyan, Zh M Wang + Show 3 more

https://doi.org/10.1063/1.3592258

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Journal: Applied Physics Letters	Publication Date: May 16, 2011
Citations: 8

Affiliation: Russian-Armenian University, University of Arkansas at Fayetteville, National Engineering Research Center of Electromagnetic Radiation Control Materials, University of Electronic Science and Technology of China

#Quantum Dot Molecule #Direct Interband Absorption Of Light + Show 8 more

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Abstract

The electronic states and direct interband absorption of light in quantum dot molecule (QDM) consisting 4 or 5 QDs are investigated. The electron energy levels and wave functions are calculated. It is shown that the energy levels are split in azimuth direction. In the case of the presence of the central QD in QDM an additional splitting in the radial direction is revealed. The suggested method can be used to calculate the electronic states and light absorption of arbitrary number QDM. The results are useful for the application of the QDM to photoelectric devices.

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