Andrew Cross
Principal Research Scientist
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Andrew Cross is a principal research scientist at IBM’s TJ Watson Research Center. His interests include quantum error-correction and fault-tolerant architectures for quantum computers, validation and control of superconducting qubits, and synthesis, optimization, and simulation of quantum circuits. He received SM and PhD degrees in electrical engineering from the MIT and a bachelor’s degree in electrical engineering from Case Western Reserve University.
Selected Publications
- Zhu, G., Sikander, S., Portnoy, E., Cross, A., & Brown, B. J. (2025). Non-Clifford and parallelizable fault-tolerant logical gates on constant and almost-constant rate homological quantum low-density parity-check codes via higher symmetries. PRX Quantum, 6(4), 040361.
- Stein, S., Xu, S., Cross, A. W., Yoder, T. J., Javadi-Abhari, A., Liu, C., Liu, K., Zhou, Z., Guinn, C., Ding, Y., Ding, Y., & Li, A. (2025). HetEC: Architectures for heterogeneous quantum error correction codes. Proceedings of the 30th ACM International Conference on Architectural Support for Programming Languages and Operating Systems, Volume 2, 515–528.
- Cross, A., He, S., Rall, P., & Yoder, T. (2025). Improved qLDPC surgery for logical measurements and gates. APS Global Physics Summit 2025. American Physical Society.
Media
- June 10, 2025: IBM, How IBM will build the world’s first large-scale, fault-tolerant quantum computer
- February 22, 2024: IBM Research, Computing with error-corrected quantum computers
- August 16, 2023: IBM Research, Error correcting codes for near-term quantum computers