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Distributed Quantum Computing in Silicon

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This preprint reports a proof-of-concept distributed-quantum-computing experiment using silicon T centres in separate cryostats connected by telecom fibre. It is the key source for the current entry’s remote-entanglement and teleported-gate claims.

Key Results

  • Remote Bell-pair generation between T-centre electron spins in separate cryostats
  • Measured Bell-pair fidelity of 0.60(0.08) at 40 ns time-bin width
  • Preliminary post-selected teleported CNOT sequence with a truth table over a selected basis set
  • Outlook projections for much higher future entanglement rates and fidelities are explicitly projections, not demonstrated performance

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