Magneto-photoluminescence of heavy- and light-hole excitons in site-controlled pyramidal quantum dots

Pyramidal, site-controlled InGaAs/AlGaAs quantum dots (QDs) are studied by micro-photoluminescence (PL) spectroscopy in a magnetic field. The light-hole (LH) excitonic transitions exhibit diamagnetic shifts similar to those of their heavy-hole (HH) counterparts. From the evolution of the excitonic lines, effective g-factors of g = 1.7 and 0.4 for HH and LH neutral excitons are inferred. (c) 2007 Elsevier B.V. All rights reserved.


Presented at:
13th International Conference on Modulated Semiconductor Structures (MSS13)/17th International Conference on Electronic Properties of 2-Dimensional Systems, Genova, ITALY, Jul 15-20, 2007
Year:
2008
Publisher:
Physica E
Keywords:
Laboratories:




 Record created 2010-03-26, last modified 2018-05-12


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