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This breakthrough demonstrates how quantum-correlated noise fields can actively generate and sustain entanglement between distant superconducting qubits, effectively turning environmental decoherence into a resource for quantum computing. By leveraging dissipation engineering rather than traditional isolation techniques, this approach offers a promising pathway to mitigate error rates in scalable quantum architectures.
Noise that entangles may accelerate the dawn of quantum technologies
Two superconducting qubits, a metre of cable apart, have been driven into an entangled state not in spite of their environment, but by it The post Noise that entangles may accelerate the dawn of quantum technologies appeared first on Physics World.
First author ISTA PhD student Alejandro Andrés-Juanes in the lab. (Courtesy: © ISTA) Qubits are delicate and often misbehave. A qubit’s advantage over an ordinary bit is that in addition to “0” or “1”, it can hold values of 0 and 1 at once, in a specific combination; that combination is what quantum algorithms actually run on. But any stray interaction with the surrounding world (a vibration, a stray field, a single errant photon) leaks out a bit of information about which state the qubit is in – and that’s enough…
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