Research

My PhD is in the theory of superconducting circuits for quantum computations. Specifically, I deal with the theory of circuit quantization, simulating properties and gates of lumped circuit models and exploring the modelling of circuits with a quantum phase slip junction.

Publications

  • Chitta, S.P., Zhao, T., Huang, Z., Mondragon-Shem, I. and Koch, J., 2022. Computer-aided quantization and numerical analysis of superconducting circuits. New Journal of Physics, 24(10), p.103020.
  • Zhang, H., Ding, C., Weiss, D.K., Huang, Z., Ma, Y., Guinn, C., Sussman, S., Chitta, S.P., Chen, D., Houck, A.A. and Koch, J., 2024. Tunable inductive coupler for high-fidelity gates between fluxonium qubits. PRX Quantum, 5(2), p.020326.
  • Nguyen, L.B., Kim, H., Le, D.T., Ersevim, T., Chitta, S.P., Chistolini, T., Jünger, C., Smith, W.C., Stace, T.M., Koch, J. and Santiago, D.I., 2025. The superconducting grid-states qubit. arXiv preprint arXiv:2509.14656.
  • Larson, T.F., Jones, S.G., Kalmár, T., Sanchez, P.A., Chitta, S.P., Verma, V., Genter, K.L., Gill, S.T., Cicak, K., Nam, S.W. and Fülöp, G., 2026. Localized quasiparticles in a fluxonium with quasi-two-dimensional amorphous kinetic inductors. Nature Communications.