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Single Photon Emission from Site-Controlled InAs Quantum Dots Grown on GaAs(001) Patterned Substrates

AuthorsMartín-Sánchez, Javier; Muñoz-Matutano, G.; Herranz Zamorano, Jesús ; Canet-Ferrer, J.; Alén, Benito ; González Díez, Yolanda ; Alonso-González, Pablo ; Fuster, David ; González Sotos, Luisa ; Martínez Pastor, Juan Pascual ; Briones Fernández-Pola, Fernando
KeywordsQuantum dots
Patterned substrates
Single photon emitters
Issue DateMay-2009
PublisherAmerican Chemical Society
CitationACS Nano 3(6): 1513-1517 (2009)
AbstractWe present a fabrication method to produce site-controlled and regularly spaced InAs/GaAs quantum dots for applications in quantum optical information devices. The high selectivity of our epitaxial regrowth procedure can be used to allocate the quantum dots only in positions predefined by ex-situ local oxidation atomic force nanolithography. The quantum dots obtained following this fabrication process present a high optical quality which we have evaluated by microphotoluminescence and photon correlation experiments.
Description5 páginas, 5 figuras.
Publisher version (URL)http://dx.doi.org/10.1021/nn9001566
Appears in Collections:(IMN-CNM) Artículos
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