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Yi-Kai Liu

Adjunct Associate Professor

Fellow
Profile photo of Yi-Kai Liu

Contact Information

yi-kai.liu@nist.gov
Office:

3100J Atlantic Building

Office Phone:
(301) 314-1850

Bio

Yi-Kai Liu is an adjunct associate professor at the University of Maryland Institute for Advanced Computer Studies (UMIACS) and a staff scientist in the Applied and Computational Mathematics Division at the National Institutes of Standards and Technology (NIST). He was co-director of QuICS from 2020 to 2025. Liu's research centers on quantum computation, in particular, quantum algorithms and complexity, quantum state tomography and cryptography. He also works on related topics in compressed sensing and machine learning. He received his doctorate in computer science from the University of California, San Diego in 2007.

Recent News

  • A superconducting circuit

    New Protocol Quickly Demonstrates and Verifies Quantum Speedups

    June 9, 2025

    QuICS researchers have proposed a novel way to demonstrate a quantum device’s problem-solving power and verify that it didn’t make a mistake.

  • A photo of Yi-Kai Liu

    QuICS Fellow Honored by Washington Academy of Sciences

    April 11, 2025

    Yi-Kai Liu will be recognized with an Excellence in Research Award in Computer Science on May 8 at the academy’s annual meeting.

  • Carl Miller and Angela Robinson (second and third from left, respectively) accepting the research impact award on behalf of the NIST Cryptographic Technology Group for their work on post-quantum cryptography.

    QuICS Researchers Recognized with Research Impact Award

    March 28, 2025

    They were part of a team honored for their work on the NIST Post-Quantum Cryptography Project.

Affiliated Research Centers