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Strain-induced anticrossing of bright exciton levels in single self-assembled GaAs/AlxGa1-xAs and InxGa1-xAs/GaAs quantum dots

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14310%2F11%3A00049737" target="_blank" >RIV/00216224:14310/11:00049737 - isvavai.cz</a>

  • Result on the web

    <a href="http://prb.aps.org/abstract/PRB/v83/i12/e121302" target="_blank" >http://prb.aps.org/abstract/PRB/v83/i12/e121302</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1103/PhysRevB.83.121302" target="_blank" >10.1103/PhysRevB.83.121302</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Strain-induced anticrossing of bright exciton levels in single self-assembled GaAs/AlxGa1-xAs and InxGa1-xAs/GaAs quantum dots

  • Original language description

    We study the effect of elastic anisotropic biaxial strain, induced by a piezoelectric actuator, on the light emitted by neutral excitons confined in different kinds of epitaxial quantum dots. We find that the light polarization rotates by up to similar to 80 degrees and the fine structure splitting (FSS) varies nonmonotonically by several tens of mu eV as the strain is varied. These findings provide the experimental proof of a recently predicted strain-induced anticrossing of the bright states of neutral excitons in quantum dots. Calculations on model dots qualitatively reproduce the observations and suggest that the minimum reachable FSS critically depends on the orientation of the strain axis relative to the dot elongation.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    BM - Solid-state physics and magnetism

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/GA202%2F09%2F0676" target="_blank" >GA202/09/0676: Impact of capping layers on electronic states in quantum dots</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)<br>S - Specificky vyzkum na vysokych skolach

Others

  • Publication year

    2011

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Physical Review B

  • ISSN

    1098-0121

  • e-ISSN

  • Volume of the periodical

    83

  • Issue of the periodical within the volume

    12

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    4

  • Pages from-to

    "nestrankovano"

  • UT code for WoS article

    000288160300001

  • EID of the result in the Scopus database