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This breakthrough demonstrates that nuclear-spin qubits in Penning traps can achieve gate speeds comparable to electron-spin systems while eliminating the need for complex laser infrastructure. By utilizing microwave control, this architecture offers a promising path toward scalable, high-fidelity quantum computers with inherent protection against magnetic noise. The result validates ZuriQ's approach as a viable alternative to current ion-trap implementations that rely on optical addressing.
ZuriQ and ETH Zürich control qubits with microwaves, not lasers

ZuriQ & ETH Zürich demonstrated two-qubit operations using microwave control in Penning traps, achieving speeds comparable to electron-spin qubits.
ETH Zürich and ZuriQ have demonstrated a new method for controlling quantum bits, or qubits, using microwaves instead of lasers within Penning traps, the company says. The approach uses…
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