Communications of the ACM
Quantum Computing Architecture Could Connect Large-Scale Devices
Linking several of these modules enables a larger network of quantum processors that are interconnected with one another, no matter their physical separation on a computer chip.
Credit: Krantz NanoArt
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."
From MIT News
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