Fig. 2From: Bright Single-Photon Source at 1.3 μm Based on InAs Bilayer Quantum Dot in Micropillar a SEM image of the micropillar structure (diameter ~3 μm). b Typical PL spectrum of a single BQD in micropillar at 4 K. d Temperature-dependent μPL spectra of a typical BQD in micropillar and c its integrated PL intensity as a function of the exciton-cavity detuning under excitation power ~2 μW, red line: Lorentzian fittingBack to article page