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  • Tomic_SPS_v3

    Rights statement: This document is the Accepted Manuscript version of a Published Work that appeared in final form in ACS Photonics, copyright © 2015 American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see http://pubs.acs.org/doi/abs/10.1021/acsphotonics.5b00159

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Visible spectrum quantum light sources based on InGaN/GaN quantum dots

Research output: Contribution to journalJournal article

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  • Stanko Tomic
  • Joydeep Pal
  • Max A. Migliorato
  • Robert Young
  • Nenad Vukmirovic
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<mark>Journal publication date</mark>15/07/2015
<mark>Journal</mark>ACS Photonics
Issue number7
Volume2
Number of pages6
Pages (from-to)958-963
Publication statusPublished
Early online date9/06/15
Original languageEnglish

Abstract

We present a method for designing quantum light sources, emitting in the visible band, using wurtzite InxGa1−xN quantum dots (QDs) in a GaN matrix. This system is significantly more versatile than previously proposed arsenide and phosphide based QDs, having a tuning range exceeding 1 eV. The quantum mechanical configuration interaction method, capturing the fermionic nature of electrons and associated quantum effects explicitly, is used to find shapes and compositions of dots to maximize the excitonic dipole matrix element, and optimise the biexciton binding energy. These results provide QD morphologies tailored for either bright single photon emission or entangled photon pair emission, at any given wavelength in the visible spectrum.

Bibliographic note

This document is the Accepted Manuscript version of a Published Work that appeared in final form in ACS Photonics, copyright © 2015 American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see http://pubs.acs.org/doi/abs/10.1021/acsphotonics.5b00159