Diamond spin quantum computing takes a step toward optical scaling

Researchers from Fujitsu, TU Delft, and QuTech have created a prototype quantum computer utilizing tin-vacancy centres in diamond. This system integrates diamond spin qubits with photonics on a chip, aiming to facilitate modular quantum computing through optical connections. The prototype operates at approximately 1.55 kelvin and serves as a foundational step towards scalable quantum architectures, although it currently does not connect multiple modules optically.

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