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Caltech team sets record with 6,100 qubit array
(www.caltech.edu)
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this post was submitted on 09 Oct 2025
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The achievement in question is the preparation of the neutral atoms, which realize qubits, on this grid. Controlling the placement of such a large number of individual atoms with just light is a somewhat recent breakthrough that is now maturing.
Addressing the atoms and letting them interact is an entirely different beast, but the prerequisite of placement is just as important.