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QIS profile: Warren Grice

ORNL's Warren Grice.

Warren Grice studies aspects of quantum information with a focus on optical approaches. In this role, Warren is involved in several projects aimed at transitioning the capabilities of quantum information to real-world applications.

Substantial institutional investments in equipment and facilities, as well as  recent increases in federal funding from the Department of Energy and other agencies, have positioned Warren and his colleagues for rapid growth and success.

Warren first arrived at ORNL in 2001 and left to work for a private technology firm in 2018, returning to ORNL in 2021. Warren earned his doctorate in 1998 from the University of Rochester in optics. His research interests and focus areas include entangled photon sources, particularly for quantum networking, quantum sensing, and quantum computing.

In his spare time, Warren enjoys exploring the trails of East Tennessee.

“Science explores the boundary between impossible and possible,” he said.

Read more about Warren's career and research here.

ORNL’s quantum research is supported by DOE’s Office of Science. For  more information on ORNL’s quantum research portfolio, visit

UT-Battelle manages ORNL for DOE’s Office of Science, the single largest supporter of basic research in the physical sciences in the United States. DOE’s Office of Science is working to address some of the most pressing challenges of our time. For more information, visit