Wafer-scale integration of vacancy centers for spin qubits

This invention describes a component for quantum computers: a spin qubit device. It works by embedding tiny islands of a carbon-based material, like diamond, into a semiconductor chip, where special atomic defects called vacancy centers act as the quantum bits. The claims specify a device where these carbon islands are partially surrounded by the semiconductor, integrated into its top layer, and extend to a shallow depth.

Why it matters: The global push for scalable quantum computing has significantly accelerated since 2018, making wafer-scale integration a critical bottleneck. Recent advancements in nanoscale material engineering and semiconductor fabrication techniques could now make these complex qubit structures more feasible to manufacture.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: SpecializedNanoscale semiconductor fabrication, quantum material engineering.

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