Quantum Tech
Why Singly-doped Colloidal Quantum Dots?
Quantum technology is set to revolutionalise our daily lives. Quantum encryption is currently limited to distances of a few km. Quantum repeaters are devices that are being developed to extend the distance along which quantum information can be transferred.
Singly-doped colloidal quantum dots are excellent platforms for optically-addressable spin-qubits. These are key elements of quantum repeaters, devices that enable the range of quantum encryption to be indefinitely extended and the scaling of quantum computing. Quantum encryption ensures the security of electronic communications, including monetary transactions. Quantum computers will allow biological molecules to be efficiently modelled, accelerating drug discovery.
Our unique molecular seeding IP can be used to precisely dope each quantum dot with a single dopant. This “wet chemistry” approach offers advantages over epitaxial-based quantum dot growth in terms of scalability and ease of processing.
QT Applications
Medium-term: quantum telecommunications
- Uncrackable encryption for data security
Longer term: quantum computing
- Faster processing speeds enabling drug discovery, weather forecasting, financial modelling, etc
Other potential applications:
Nanoscale magnetic sensorS
- security and military applications (navigation, position tracking)
This work was co-funded by the UK’s Innovation Agency, Innovate UK
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