Quantum Bath Links Distant Qubits
Physicists at the Institute of Science and Technology Austria have successfully demonstrated a method to entangle distant qubits using a 'quantum bath' of light. This autonomous approach validates a 20-year-old theory and could improve the scalability of quantum networks.
Future quantum computing will require correlations between distant modules - a feature known as distributed entanglement. Traditionally, such entanglement has relied on active control and repeated measurements. Now, physicists at the Institute of Science and Technology Austria (ISTA) have realized a fully autonomous method for distributed entanglement using a "quantum bath" of correlated light particles. Published on Monday in Physical Review X, their work experimentally confirms a 20‑year‑old prediction and could provide a new platform for applied quantum technologies.
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