Visible Spectrum Quantum Light Sources Based on InxGa1-xN/GaN Quantum Dots

S. Tomic, J. Pal, Max Migliorato, R. J. Young, N. Vukmirovic

    Research output: Contribution to journalArticlepeer-review


    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 optimize 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.
    Original languageEnglish
    Pages (from-to)958-963
    Number of pages6
    JournalACS Photonics
    Issue number7
    Publication statusPublished - 15 Jul 2015


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