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Nonclassical Light Sources Based on Selectively Positioned Deterministic Microlens Structures and (111) In(Ga)As Quantum Dots

  • XXIII INTERNATIONAL SYMPOSIUM “NANOPHYSICS AND NANOELECTRONICS”, NIZHNY NOVGOROD, MARCH 11–14, 2019
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Abstract

The results of investigations of the optical characteristics of nonclassical light sources based on selectively positioned microlens structures and single (111) In(Ga)As quantum dots grown on a (111) BGaAs substrate are presented. The single-photon nature of the radiation is confirmed by measuring and analyzing second-order correlation functions g(2)(τ); g(2)(0) = 0.07. The fine structure of the exciton states of (111) In(Ga)As quantum dots is investigated. It is shown that, in the energy range of 1.320–1.345 eV, the splitting of exciton states is comparable to the natural width of the exciton lines, which is of interest for develo** photon-pair emitters based on them.

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Funding

This study was supported by the Russian Foundation for Basic Research, project no. 1652-12023.

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Correspondence to I. A. Derebezov.

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The authors declare that they have no conflict of interest.

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Translated by V. Bukhanov

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Derebezov, I.A., Gaisler, V.A., Gaisler, A.V. et al. Nonclassical Light Sources Based on Selectively Positioned Deterministic Microlens Structures and (111) In(Ga)As Quantum Dots. Semiconductors 53, 1304–1307 (2019). https://doi.org/10.1134/S1063782619100063

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  • DOI: https://doi.org/10.1134/S1063782619100063

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