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Excitonic quantum interference in a quantum dot chain with rings

Authors
Hong, Suc-KyoungNam, SeogWooYeon, Kyu-Hwang
Issue Date
16-Apr-2008
Publisher
IOP PUBLISHING LTD
Citation
NANOTECHNOLOGY, v.19, no.15
Indexed
SCIE
SCOPUS
Journal Title
NANOTECHNOLOGY
Volume
19
Number
15
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/123725
DOI
10.1088/0957-4484/19/15/155402
ISSN
0957-4484
Abstract
We demonstrate excitonic quantum interference in a closely spaced quantum dot chain with nanorings. In the resonant dipole-dipole interaction model with direct diagonalization method, we have found a peculiar feature that the excitation of specified quantum dots in the chain is completely inhibited, depending on the orientational configuration of the transition dipole moments and specified initial preparation of the excitation. In practice, these excited states facilitating quantum interference can provide a conceptual basis for quantum interference devices of excitonic hopping.
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College of Science and Technology > Department of Display and Semiconductor Physics > 1. Journal Articles
College of Science and Technology > Semiconductor Physics in Division of Display and Semiconductor Physics > 1. Journal Articles

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