Caltech Creates World's Largest Quantum Array with 6,100 Qubits
Researchers at the California Institute of Technology (Caltech) have made a significant breakthrough in quantum computing. They've created the world's largest qubit array, boasting an impressive 6,100 qubits, a substantial step towards practical quantum computing.
The Caltech system uses a neutral atom approach, employing calcium atoms as qubits. These are controlled with remarkable precision, up to 99.98%, and can be moved over large distances without losing their quantum state, a significant improvement over previous methods.
The system's coherence time, a crucial factor in quantum computing, has been extended to 13 seconds. This is nearly ten times longer than what was previously achievable, thanks to a new scaling and stability method developed by the Caltech team.
While this breakthrough is exciting, two major challenges still need to be addressed. These are error correction and quantum entanglement. Practical quantum computers will require at least hundreds of thousands of qubits, and Caltech's array, while impressive, is still far from this goal.
Caltech's 6,100-qubit array is a milestone in the journey towards fault-tolerant quantum computers. It demonstrates the potential of the neutral atom approach and sets a new benchmark for qubit control and stability. However, the road to practical quantum computing is still long, and further advancements in error correction and entanglement are needed to reach this destination.
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