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Quantum Computing Architecture Could Connect Large-Scale Devices

By MIT News

January 9, 2023

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A new quantum computing architecture developed by Massachusetts Institute of Technology (MIT) scientists can facilitate extensible, high-fidelity communication between superconducting quantum chips.

The architecture can be used to thread multiple processing modules along one waveguide; MIT's Bharath Kannan said the same module can function as both transmitter and receiver.

The researchers have demonstrated the deterministic emission of single photons in a user-specified direction with more than 96% fidelity.

Said Kannan, "The ability to communicate between smaller subsystems will enable a modular architecture for quantum processors, and this may be a simpler way of scaling to larger system sizes compared to the brute-force approach of using a single large and complicated chip."

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