
a. Schematic of a QD emitter embedded in the centre of a micropillar cavity.
b. A scanning electron microscopy image of a set of fabricated micropillars.
“Quantum dots: Electrifying cavities - A design that allows electrical contacts to be created on semiconductor microphotonic structures brings quantum networks based on semiconductor single photon sources one step closer."
Over the past decade, cutting-edge QD physics has progressed in tandem with QD cavity fabrication techniques. High-quality fabrication of individual devices is now becoming standard. Arrays of identical devices are a vital next step for a compact and scalable quantum technology.
Full information can be found on the Nature Nanotechnology Website.