Challenges and opportunities for quantum information hardware

doi:10.1126/science.adz8659

Challenges and opportunities for quantum information hardware

2025-12-04

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DOI：10.1126/science.adz8659

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Quantum technologies have made impressive progress over the past decade. In some areas, such as quantum sensing and key distribution, these technologies are moving from the laboratory to enable real-world applications. However, for areas such as quantum computing, entanglement-enhanced sensing, and a global quantum internet, we are in an equivalent of the early transistor age, and hardware breakthroughs are required in multiple arenas to reach the performance necessary for the envisioned applications. In this Review, we assess the current state of the art of quantum information hardware and identify key challenges and opportunities ahead. We draw inspiration from the history of scaling and development of classical electronics and photonics to anticipate progress in the field.

Challenges and opportunities for quantum information hardware

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