Key takeaways
- Silicon spin qubits are built using the same CMOS manufacturing processes already used for classical chips, so scaling to millions of qubits can leverage existing semiconductor fabs rather than requiring entirely new infrastructure
- The small physical size of silicon qubits, roughly the size of a single transistor, means a full error-corrected quantum computer could fit on a chip comparable in size to today's processors
- Most other qubit modalities were chosen in the early 2000s because silicon fabrication was too expensive and inaccessible for academic labs, not because silicon was technically inferior, and that access barrier has now disappeared
- Diraq's roadmap targets integrating classical control electronics directly next to the qubits on the same silicon chip to solve the wiring and cooling bottlenecks that limit scaling in other approaches
Summary
Andrew Dzurak, founder and CEO of Diraq, a company developing silicon-based quantum computers built with existing chip fabrication technology, is interviewed by Yuval Boger. Andrew and Yuval talk about the merits of their technology, the reason many companies have taken alternative approaches, when silicon dot computers will be available, a hypothetical dinner with Paul Dirac, and much more.
The full transcript is on the Quantum Computing Report site here