Dissipation Can Be a Tool For Entanglement
AI-summarised brief · reviewed before publication
Researchers at the University of Illinois Urbana‑Champaign and the University of Chicago have experimentally turned dissipation—a typical source of quantum errors—into a tool for creating steady‑state entanglement between two superconducting qubits. By introducing a method called synthetic squeezing, they compensated for realistic noise and hardware imperfections, enabling the qubits, linked via a unidirectional waveguide, to relax into a persistent entangled state without the need to physically transport fragile quantum states. The approach validates a long‑standing theoretical prediction that engineered dissipation can generate entanglement, and the team plans to scale the technique to larger qubit arrays for quantum networking, entanglement distillation, and distributed quantum computing. The findings appear in Physical Review X and are highlighted in Physics magazine.
💡 Why It Matters
- · It offers a fundamentally more robust way to distribute entanglement, sidestepping the decoherence‑prone transport step that has limited the deployment of scalable quantum networks.