Fig. 1From: Bright Single-Photon Source at 1.3 μm Based on InAs Bilayer Quantum Dot in Micropillar1 × 1 μm2 atomic force microscopy (AFM) image of uncapped BQDs grown at a 480 and b 470 °C. c μPL spectra of BQDs embedded in DBR cavities, grown at 480 °C (red) and 470 °C (black), measured at 4 K. d Reflectivity spectrum of the bottom DBR, measured at room temperatureBack to article page