Many of the most promising quantum technologies, including advanced sensors and future quantum computers, depend on a phenomenon known as entanglement, where particles become deeply connected and influence one another in ways that cannot be explained by classical physics. Creating the complex entangled states needed for these technologies has traditionally required sophisticated equipment and carefully designed experimental systems.
Researchers at the University of Chicago Pritzker School of Molecular Engineering (UChicago PME) have now proposed a much simpler approach. Their new theoretical method can generate and control a wide range of entangled quantum states using tools that are already common in many quantum physics laboratories.
The work, published in Physical Review X, could help advance ultra precise quantum sensing and open new opportunities for exploring fundamental physics.
"We wanted to take simple ingredients that you find in a lot of physical platforms and put these together in a minimal way to get something interesting, complex and powerful," said Aashish Clerk, professor of molecular engineering at UChicago PME and senior author of the new study.
The research was supported by Q-NEXT, a U.S. Department of Energy (DOE) National Quantum Information Science Research Center led by DOE's Argonne National Laboratory.
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