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Figure 1 | Nanoscale Research Letters

Figure 1

From: Single-photon emission from single InGaAs/GaAs quantum dots grown by droplet epitaxy at high substrate temperature

Figure 1

Low-temperature photoluminescence taken from mesa structures. (a) μPL spectrum of QDs taken from 10-μm mesa size grown by DE at 410°C; the inset is a typical PL spectrum of a single QD taken from 0.5-μm mesa size at very low laser excitation power. (b) PL spectra of a single QD under cw optical excitation, recorded for different laser excitation powers.

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