Researchers at the Hong Kong University of Science and Technology (HKUST) have demonstrated a new way to control the quantum state through the loss of particles – a process that is usually avoided in the quantum device, offering a new way towards the realization of unprecedented quantum states.

Manipulating a quantum system requires a subtle control of quantum state with zero imperfect operations, otherwise the useful information encoded in the quantum states is scrambled.  One of the most common detrimental processes is the loss of particles that consist of the system. This issue has long been seen as an enemy of quantum control and was avoided through the isolation of the system.  But now, researchers at the HKUST have discovered a way that could gain quantum control from loss in an atomic quantum system. Read More... 


A new study finds that quantum state evolution is direction dependent in the parameter space of dissipative spin-orbit coupled system. Credit: Dong Liu
Scientific Breakthroughs & Discoveries
Prof. QIAN Peiyuan, Head and Chair Professor of HKUST’s Department of Ocean Science (second left) and Prof. QIU Jianwen, Professor of HKBU’s Department of Biology (second right), along with their team members Prof. WANG Yan (first left), Assistant Professor and Dr. XU Ting, Postdoctoral Fellow of HKUST’s Department of Ocean Science (first right).
Prof. QIAN Peiyuan, Head and Chair Professor of HKUST’s Department of Ocean Science (second left) and Prof. QIU Jianwen, Professor of HKBU’s Department of Biology (second right), along with their team members Prof. WANG Yan (first left), Assistant Professor and Dr. XU Ting, Postdoctoral Fellow of HKUST’s Department of Ocean Science (first right).
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