Kenneth R Brown

Kenneth R Brown

Associate Professor in the Department of Electrical and Computer Engineering

Office Location: 
701 W Main St, Suite 400, Durham, NC 27701
(919) 660-1376


Prof. Brown's research interest is the control of quantum systems for both understanding the natural world and developing new technologies. His current research areas are the development of robust quantum computers and the study of molecular properties at cold and ultracold temperatures.

Education & Training

  • Ph.D., University of California at Berkeley 2003

  • B.S., University Puget Sound 1998

Selected Grants

Quantum Scientific Computing Open User Testbed awarded by (Principal Investigator). 2019 to 2023

PFCQC: STAQ: Software-Tailored Architecture for Quantum co-design awarded by National Science Foundation (Principal Investigator). 2018 to 2023

Collaborative Research: EPiQC:Enabling Practical-Scale Quantum Computation awarded by National Science Foundation (Principal Investigator). 2018 to 2023

Quantum-hardware focused application performance benchmarks awarded by Department of Energy (Principal Investigator). 2018 to 2022

Scaling Modular and Reconfigurable Quantum Systems awarded by University of Maryland (Principal Investigator). 2018 to 2021

Quantum Computing in Chemical and Material Sciences awarded by Department of Energy (Co-Principal Investigator). 2018 to 2021

Quantum control based on real-time environment analysis by spectator qubits awarded by Army Research Office (Principal Investigator). 2018 to 2021

Control and Spectroscopy of Single Molecular Ions awarded by Army Research Office (Principal Investigator). 2018 to 2020

MRI: Development of a Programmable Ion-Trap Quantum Computer awarded by National Science Foundation (Principal Investigator). 2018 to 2019

Precision Chemical Dynamics and Quantum Control of Ultracold Molecular Ion Reactions awarded by Georgia Institute of Technology (Principal Investigator). 2018 to 2019

Merrill, J. T., and K. R. Brown. Progress in compensating pulse sequences for quantum computation. Vol. 154, 2014, pp. 241–94.

Murphy, D. C., and K. R. Brown. “Controlling error orientation to improve quantum algorithm success rates.” Physical Review A, vol. 99, no. 3, Mar. 2019. Scopus, doi:10.1103/PhysRevA.99.032318. Full Text

Debroy, Dripto M., et al. “Stabilizer Slicing: Coherent Error Cancellations in Low-Density Parity-Check Stabilizer Codes..” Physical Review Letters, vol. 121, no. 25, Dec. 2018. Epmc, doi:10.1103/physrevlett.121.250502. Full Text Open Access Copy

Beale, Stefanie J., et al. “Quantum Error Correction Decoheres Noise..” Physical Review Letters, vol. 121, no. 19, Nov. 2018. Epmc, doi:10.1103/physrevlett.121.190501. Full Text

Calvin, Aaron T., and Kenneth R. Brown. “Spectroscopy of Molecular Ions in Coulomb Crystals..” The Journal of Physical Chemistry Letters, vol. 9, no. 19, Oct. 2018, pp. 5797–804. Epmc, doi:10.1021/acs.jpclett.8b01387. Full Text

Leung, P. H., and K. R. Brown. “Entangling an arbitrary pair of qubits in a long ion crystal.” Physical Review A, vol. 98, no. 3, Sept. 2018. Scopus, doi:10.1103/PhysRevA.98.032318. Full Text

Brown, Natalie C., and Kenneth R. Brown. “Comparing Zeeman qubits to hyperfine qubits in the context of the surface code: 174Yb+ and 171Yb+.” Phys. Rev. A, vol. 97, May 2018, pp. 052301–052301. Manual, doi:10.1103/PhysRevA.97.052301. Full Text

Trout, C. J., et al. “Simulating the performance of a distance-3 surface code in a linear ion trap.” New Journal of Physics, vol. 20, no. 4, Apr. 2018. Scopus, doi:10.1088/1367-2630/aab341. Full Text

Calvin, Aaron T., et al. “Rovibronic Spectroscopy of Sympathetically Cooled 40CaH+.” The Journal of Physical Chemistry A, vol. 122, no. 12, Mar. 2018, pp. 3177–81. Manual, doi:10.1021/acs.jpca.7b12823. Full Text

Leung, Pak Hong, et al. “Robust 2-Qubit Gates in a Linear Ion Crystal Using a Frequency-Modulated Driving Force..” Physical Review Letters, vol. 120, no. 2, Jan. 2018. Epmc, doi:10.1103/physrevlett.120.020501. Full Text

Condoluci, J., et al. “Reassigning the CaH+ 11Σ → 21Σ vibronic transition with CaD..” The Journal of Chemical Physics, vol. 147, no. 21, Dec. 2017. Epmc, doi:10.1063/1.5016556. Full Text


Javadi-Abhari, A., et al. “Optimized surface code communication in superconducting quantum computers.” Proceedings of the Annual International Symposium on Microarchitecture, Micro, vol. Part F131207, 2017, pp. 692–705. Scopus, doi:10.1145/3123939.3123949. Full Text

Heckey, J., et al. “Compiler management of communication and parallelism for quantum computation.” International Conference on Architectural Support for Programming Languages and Operating Systems  Asplos, vol. 2015-January, 2015, pp. 445–56. Scopus, doi:10.1145/2694344.2694357. Full Text

Kudrow, D., et al. “Quantum rotations: A case study in static and dynamic machine-code generation for quantum computers.” Proceedings  International Symposium on Computer Architecture, 2013, pp. 166–76. Scopus, doi:10.1145/2485922.2485937. Full Text

Brown, K. R. “Sympathetic heating spectroscopy: Probing molecular ions with laser-cooled atomic ions.” Optics Infobase Conference Papers, 2010.