Grover Search with Semiconductor Spin Qubits at Ambient Conditions
Grover's algorithm has been demonstrated on a commercial quantum computer built around nitrogen-vacancy centres in diamond and operated at ambient conditions, using three solid-state nuclear spin qubits. The implementation searched an eight-element space, with gate fidelities up to 99.98% and a measured success probability around 77% for one or two marked states.
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What this could mean
- 0–2 yearsPlausible
This could support deployment of small, room-temperature quantum processors for search problems in embedded or edge settings where cryogenic infrastructure is impractical.
The demonstration shows high-fidelity single- and two-qubit operations on nuclear spins at ambient conditions on a commercial platform. Extending to a few more qubits is an engineering challenge, but the hardware is already packaged for room-temperature use, making near-term integration into non-cryogenic environments plausible if coherence and control can be maintained at slightly larger register sizes.
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