{
  "id": 6137624,
  "title": "Noise that entangles may accelerate the dawn of quantum technologies",
  "url": "https://urgent.news/2026/09/07/noise-that-entangles-may-accelerate-the-dawn-of-quantum-technologies",
  "topic": "science",
  "section": "Science",
  "published": "2026-09-07T12:00:45.000Z",
  "source": {
    "name": "Physics World",
    "slug": "physics-world",
    "url": "https://physicsworld.com/a/noise-that-entangles-may-accelerate-the-dawn-of-quantum-technologies/"
  },
  "original_language": "en",
  "account": "Qubits, the fundamental units of quantum information, are highly sensitive and prone to losing their quantum properties, a process known as decoherence. Decoherence occurs when a qubit interacts with its environment, such as vibrations, stray fields, or individual photons. To counteract this issue, most quantum computing research focuses on minimizing these interactions. However, a team from the Institute of Science and Technology Austria (ISTA) has recently discovered that noise can actually be harnessed to generate entanglement in qubits, rather than causing their demise.\n\nEntanglement is a key feature of quantum systems, where the states of two or more particles become correlated in a way that defies classical physics. Traditionally, entanglement has been generated by carefully controlled interactions, often involving techniques like synchronized pulses or active feedback. The ISTA team, led by Alejandro Andrés-Juanes and Johannes Fink, has demonstrated that correlated noise from an external source can create entanglement between qubits.\n\nThe researchers used two superconducting transmon qubits, separated by a meter, and exposed them to a quantum-correlated microwave field. By carefully engineering the interaction between the qubits and the environment, the team was able to generate and maintain entanglement for as long as the field was active. This method, known as dissipation engineering, represents a departure from traditional techniques and may offer new possibilities for quantum computing applications.\n\nThe key to this breakthrough lies in the correlated nature of the noise. When the two qubits are exposed to the same quantum-correlated microwave field, they settle into an entangled state without the need for active manipulation. This is in contrast to independent noise, which would scramble the qubits and destroy the delicate entangled state. By exploiting this correlated noise, the team has effectively converted continuous-variable entanglement carried by the microwave beams into ordinary entanglement between the qubits.\n\nWhile the current setup uses microwave frequencies, which require very low temperatures for quantum behavior, the researchers are working on scaling up the technology to longer distances. Optical frequencies, where decoherence is less of a concern, could potentially enable longer-range entanglement networks. The next steps involve increasing the number of qubits in a single node and developing more robust entanglement distribution schemes.",
  "summary": "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 .",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}