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Stanford University researchers have developed scalable optical cavity arrays that significantly enhance the readout of atom-based qubits, as detailed in their study published in Nature. Their prototype includes a 40-cavity array and over 500 cavities, paving the way for networking millions of qubits and improving photon collection efficiency. This advancement could lead to the creation of quantum supercomputers and has broad implications for fields such as materials design, drug discovery, and biosensing.