Hitting the quantum 'sweet spot'
A key milestone on the path to scalable quantum computing: SQC's researchers, working alongside the Centre of Excellence for Quantum Computation and Communication Technology (CQC²T), identified the optimal positioning for phosphorus-atom qubits in silicon. This finding that brings atom-based quantum processors one step closer to practical scale-up.
By combining scanning tunneling microscopy with a novel quantum state imaging technique, our team pinpointed a specific angle within the silicon lattice where qubit interactions are strongest and most consistent. The result: two-qubit gates that are more resilient, faster to operate and easier to reproduce.
Read about this milestone in The New Stack:
Researchers Discover ‘Sweet Spot’ for Positioning Quantum Bits in Silicon
Read the peer-reviewed findings in Nature:
Valley interference and spin exchange at the atomic scale in silicon
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