期刊
SCIENCE ADVANCES
卷 7, 期 33, 页码 -出版社
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/sciadv.abg9158
关键词
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资金
- Australian Research Council [DE190101397, FL190100167, CE170100012]
- U.S. Army Research Office [W911NF-17-1-0198]
- NSW Node of the Australian National Fabrication Facility
- Sydney Quantum Academy
- Australian Research Council [DE190101397] Funding Source: Australian Research Council
Spin-based silicon quantum electronic circuits offer a scalable platform for quantum computation by combining the manufacturability of semiconductor devices with long coherence times of spins in silicon, allowing for control signals to be simultaneously delivered to millions of qubits.
Spin-based silicon quantum electronic circuits offer a scalable platform for quantum computation, combining the manufacturability of semiconductor devices with the long coherence times afforded by spins in silicon. Advancing from current few-qubit devices to silicon quantum processors with upward of a million qubits, as required for fault-tolerant operation, presents several unique challenges, one of the most demanding being the ability to deliver microwave signals for large-scale qubit control. Here, we demonstrate a potential solution to this problem by using a three-dimensional dielectric resonator to broadcast a global microwave signal across a quantum nano-electronic circuit. Critically, this technique uses only a single microwave source and is capable of delivering control signals to millions of qubits simultaneously. We show that the global field can be used to perform spin resonance of single electrons confined in a silicon double quantum dot device, establishing the feasibility of this approach for scalable spin qubit control.
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