Strain-driven growth of GaAs(111) quantum dots with low fine structure splitting

Symmetric quantum dots (QDs) on (111)-oriented surfaces are promising candidates for generating polarization-entangled photons due to their low excitonic fine structure splitting (FSS). However, (111) QDs are difficult to grow. The conventional use of compressive strain to drive QD self-assembly fai...

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Veröffentlicht in:	Applied physics letters 2014-12, Vol.105 (25)
Hauptverfasser:	Yerino, Christopher D., Simmonds, Paul J., Liang, Baolai, Jung, Daehwan, Schneider, Christian, Unsleber, Sebastian, Vo, Minh, Huffaker, Diana L., Höfling, Sven, Kamp, Martin, Lee, Minjoo Larry
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied physics Compressive properties Dislocations Emitters Fine structure Morphology Photons Quantum dots Quantum theory Self-assembly Splitting Substrates Symmetry Tensile strain
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