Entanglement Levels Up

Jacquiline Romero and Markus Rambach

Extending a key resource of quantum technology, entanglement—either by having more than two quantum objects or using “qudits” instead of “qubits”—offers prospects for improvements in quantum communications, computation and other technologies.

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Quantum technologies have seen a dramatic increase in investment in recent years; in 2020, the sector saw some US$22 billion from public funding alone. With additional private investment from the likes of Google, IBM, Amazon, Alibaba and others, it looks like a quantum revolution is indeed coming sooner than previously expected.

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