Oxford breakthrough allows secure quantum computing from homes

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Oxford breakthrough allows secure quantum computing from homes
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Researchers have developed a 'blind quantum computing' method enabling secure, scalable quantum cloud computing connecting quantum entities over networks.

Using a new approach called blind quantum computing, the researchers were able to securely connect two quantum computing entities securely.Researchers at Oxford University have developed an innovative method enabling millions of users to access quantum computing from the comfort of their homes. The breakthrough, called blind quantum computing, works over existing fiber optic systems and can deliver quantum computing securely, according to a university press release.

However, these systems are typically large and need ultra-low temperatures to function, putting them out of the reach of users of modern computing systems, typically in homes and offices. The system connects over an optical fiber network, the backbone of the modern-day Internet system. It can connect a quantum computing server with an independent computer that remotely accesses it, much like it would access a cloud server. The independent computer comprises a simple device capable of detecting photons or light particles.

Every computation in the blind quantum computing system incurs a correction that must be applied to the following computations. The researchers used a unique combination of photons and quantum memory to enable this design. This correction must be applied in real-time to comply with the algorithm that makes up the system.

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