We report on single-photon emission of InAs/AlGaAs self-assembled quantum dots (QDs) grown by molecular beam epitaxy. By varying the growth conditions the QDs luminescence could be tuned over a wide wavelength range from 0.64 to 1 mum, including red part of the visible spectrum. Emission properties of individual QDs are investigated by micro-photoluminescence (mu-PL) spectroscopy using 500 nm-size etched mesa structures. Autocorrelation functions of photons from single QDs, measured in the wide spectral range demonstrate antibunching effect at zero delay time with a value of g⁽²⁾(0)~0.17 that is a clear evidence of non-classical light. Acknowledgement The authors gratefully acknowledge the financial support of the Russian Science Foundation (project #14-22-00107).

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Дата начала обработки статистических данных - 27 января 2016 г.