Direct View to Quantum Dot Prototyping

Quantum dots, or "artificial atoms", are key to advanced quantum control of light and electricity, offering discrete energy states that can be finely tuned. Unlike traditional quantum dots made from different materials, Crystal Phase Quantum Dots (CPQDs) are based on changing the crystal structure within a crystal rod or nanowire (NW) of the same material, offering unprecedented control over the quantum dot properties. This project aims to pioneer CPQD formation in NWs by adjusting growth conditions inside a transmission electron microscope, enabling real-time growth observation and avoiding the ‘black box’ of traditional growth reactors – a direct view to quantum dot prototyping! By well-controlled temperature and gas variations, we seek to engineer CPQDs with specific properties for quantum devices as a platform for future quantum computing and quantum internet and to improve our fundamental understanding of the intricate NW growth processes.