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Reference Number EP/X03853X/1
Title Hybrid Quantum System of Excitons and Superconductors
Status Started
Energy Categories Not Energy Related 90%;
Energy Efficiency (Industry) 10%;
Research Types Basic and strategic applied research 100%
Science and Technology Fields PHYSICAL SCIENCES AND MATHEMATICS (Physics) 60%;
PHYSICAL SCIENCES AND MATHEMATICS (Metallurgy and Materials) 30%;
PHYSICAL SCIENCES AND MATHEMATICS (Computer Science and Informatics) 10%;
UKERC Cross Cutting Characterisation Not Cross-cutting 100%
Principal Investigator Professor SA Lynch
Cardiff University
Award Type Standard
Funding Source EPSRC
Start Date 01 August 2023
End Date 31 July 2027
Duration 48 months
Total Grant Value £637,700
Industrial Sectors Optics; photonics & lasers
Region Wales
Programme NC : Physical Sciences
 
Investigators Principal Investigator Professor SA Lynch , Cardiff University
  Other Investigator Professor SM Doyle , Cardiff University
Professor WW Langbein , Cardiff University
Web Site
Objectives
Abstract In the last 10 years, quantum computing has gone mainstream - with experiments expanding out of university research labs and into industrial R&D, led by technological giants like Google, Microsoft and IBM. Under the bonnet, many of these sophisticated machines rely on superconducting circuits to store and manipulate the quantum information. The operating frequency of these devices is similar to the clock speed of modern classical CPUs - around a few GHz. This frequency, or energy, scale is much, much smaller than that associated with room temperature, and so to get rid of thermal noise and operate in the quantum regime these devices must be cooled to a few thousandths of a degree above absolute zero. While this is possible for a single processor, it is much harder to achieve over the kilometre scales required to build a quantum network. To overcome this problem, the microwave quantum information needs to be up-converted to an optical signal that can be sent down an optical fibre, or via a satellite. The challenge is to do this efficiently without introducing additional decoherence that might destroy the fragile quantum state.
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Added to Database 13/08/25