A research team led by Prof. Lin Yiheng from the University of Science and Technology of China (USTC), collaborating with Prof. Yuan Haidong from the Chinese University of Hong Kong, succeeded in generating multipartite quantum entangled states across two, three, and five modes using controlled dissipation as a resource. Their study is published in Science Advances.
Multimode entanglement is a key resource in quantum computation, communication, simulation, and sensing. One of the major challenges in achieving stable and scalable multimode entanglement lies in the inherent susceptibility of quantum systems to environmental noise—a phenomenon known as dissipation. To mitigate dissipative effects, conventional preparation methods often require isolating the system from its surroundings.
Recent theoretical and experimental works have revealed an innovative perspective: when properly engineered, dissipation can be transformed into a resource for generating specific quantum states—known as dissipation engineering. However, previous related experiments were confined to single-mode and two-mode quantum systems, and significant challenges remain in the experimental realization of entangled states across multimode bosonic systems.