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IBM links two 120-qubit quantum chips with 99% accuracy

Original: News in Quantum land. Quantum researchers @ IBM successfully linked two 120-qubit quantum chips together with four L-cou

IBM researchers have successfully connected two 120-qubit quantum chips using four L-couplers made of superconducting aluminum. The linkage achieved an average state transfer accuracy of 99 percent, peaking at 99.29 percent. The result marks a step toward scaling quantum computers beyond single chips, a key challenge as qubit counts grow and chip-to-chip communication fidelity becomes critical.

Why now: Quantum chip-to-chip linking is a major step toward scalable quantum computing, drawing attention from the physics and tech community.

IBML-couplerssuperconducting aluminum

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• News in Quantum land. Quantum researchers @ IBM successfully linked two 120-qubit quantum chips together with four L-couplers made of superconducting aluminum, achieving an average transfer accuracy of 99 percent, and peaking at 99.29 percent. What the L-couplers are… · BrentD@techhub.social · 1

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