Nanoscale optical positioning of single quantum dots for bright and pure single-photon emission

Luca Sapienza (), Marcelo Davanço, Antonio Badolato and Kartik Srinivasan ()
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Luca Sapienza: Center for Nanoscale Science and Technology, National Institute of Standards and Technology
Marcelo Davanço: Center for Nanoscale Science and Technology, National Institute of Standards and Technology
Antonio Badolato: Department of Physics and Astronomy,University of Rochester
Kartik Srinivasan: Center for Nanoscale Science and Technology, National Institute of Standards and Technology

Nature Communications, 2015, vol. 6, issue 1, 1-8

Abstract: Abstract Self-assembled, epitaxially grown InAs/GaAs quantum dots (QDs) are promising semiconductor quantum emitters that can be integrated on a chip for a variety of photonic quantum information science applications. However, self-assembled growth results in an essentially random in-plane spatial distribution of QDs, presenting a challenge in creating devices that exploit the strong interaction of single QDs with highly confined optical modes. Here, we present a photoluminescence imaging approach for locating single QDs with respect to alignment features with an average position uncertainty

Date: 2015
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DOI: 10.1038/ncomms8833

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