Publications

Recent preprints

Fold-transversal surface code cultivation, Kaavya Sahay*, Pei-Kai Tsai*, Kathleen Chang*, Qile Su, Thomas B Smith, Shraddha Singh, Shruti Puri. arXiv preprint arXiv:2509.05212.

Minimum-weight parity factor decoder for quantum error correction, Yue Wu, Binghong Li, Kathleen Chang, Shruti Puri, Lin Zhong. arXiv preprint arXiv:2508.04969.

Taming coherent noise with teleportation, Kathleen Chang*, Qile Su*, Shruti Puri. arXiv preprint arXiv:2508.04947.

Fault-tolerant Fusion-based Quantum Computing with the Four-legged Cat Code, Harshvardhan K Babla, James D Teoh, Jahan Claes, Daniel K Weiss, Shraddha Singh, Robert J Schoelkopf, Shruti Puri. arXiv preprint arXiv:2508.03796.

Leveraging erasure errors in logical qubits with metastable Yb atoms, Bichen Zhang, Genyue Liu, Guillaume Bornet, Sebastian P Horvath, Pai Peng, Shuo Ma, Shilin Huang, Shruti Puri, Jeff D Thompson. arXiv preprint arXiv:2506.13724.

A Unitary Encoder for Surface Codes, Pei-Kai Tsai, Shruti Puri. arXiv preprint arXiv:2506.04084.

Journal Publications

2025

Optomechanical resource for fault-tolerant quantum computing, Margaret Pavlovich, Peter Rakich, Shruti Puri. PRX Quantum.

Surface code with imperfect erasure checks, Kathleen Chang, Shraddha Singh, Jahan Claes, Kaavya Sahay, James Teoh, Shruti Puri. PRX Quantum.

Unraveling the switching dynamics in a quantum double-well potential, Qile Su, Rodrigo G Cortiñas, Jayameenakshi Venkatraman, Shruti Puri. Physical Review A.

Error Correction of Transversal CNOT Gates for Scalable Surface-Code Computation, Kaavya Sahay, Yingjia Lin, Shilin Huang, Kenneth R Brown, Shruti Puri. PRX Quantum.

2024

Mitigating Temporal Fragility in the XY Surface Code, Pei-Kai Tsai, Yue Wu, Shruti Puri. Physical Review X.

Increasing memory lifetime of quantum low-density parity check codes with sliding-window noisy syndrome decoding, Shilin Huang, Shruti Puri. Physical Review A.

Quantum Random Access Memory Architectures Using 3D Superconducting Cavities, Daniel K. Weiss, Shruti Puri, Steve Girvin. PRX Quantum.

2023

High-fidelity gates and mid-circuit erasure conversion in an atomic qubit, Shuo Ma, Genyue Liu, Pai Peng, Bichen Zhang, Sven Jandura, Jahan Claes, Alex P Burgers, Guido Pupillo, Shruti Puri, Jeff D Thompson. Nature.

Dual-rail encoding with superconducting cavities, James D Teoh, Patrick Winkel, Harshvardhan K Babla, Benjamin J Chapman, Jahan Claes, Stijn J de Graaf, John WO Garmon, William D Kalfus, Yao Lu, Aniket Maiti, Kaavya Sahay, Neel Thakur, Takahiro Tsunoda, Sophia H Xue, Luigi Frunzio, Steven M Girvin, Shruti Puri, Robert J Schoelkopf. Proceedings of the National Academy of Sciences.

High-threshold codes for neutral-atom qubits with biased erasure errors, Kaavya Sahay, Junlan Jin, Jahan Claes, Jeff D Thompson, Shruti Puri. Physical Review X.

Tailoring fusion-based error correction for high thresholds to biased fusion failures, Kaavya Sahay, Jahan Claes, Shruti Puri. Physical Review Letters.

Tailored cluster states with high threshold under biased noise, Jahan Claes, J Eli Bourassa, Shruti Puri. npj Quantum Information.

Selected Older Work

Quantum approximate optimization algorithm with cat qubits, Pontus Vikstål, Laura García-Álvarez, Shruti Puri, Giulia Ferrini. arXiv preprint arXiv:2305.05556.

Estimating the bias of CX gates via character randomized benchmarking, Jahan Claes, Shruti Puri. PRX Quantum (2022).

Erasure conversion for fault-tolerant quantum computing in alkaline earth Rydberg atom arrays, Yue Wu, Shimon Kolkowitz, Shruti Puri, Jeff D Thompson. Nature communications (2022).

Blueprint for a high-performance fluxonium quantum processor, Long B Nguyen, Gerwin Koolstra, Yosep Kim, Alexis Morvan, Trevor Chistolini, Shraddha Singh, Konstantin N Nesterov, Christian Jünger, Larry Chen, Zahra Pedramrazi, Bradley K Mitchell, John Mark Kreikebaum, Shruti Puri, David I Santiago, Irfan Siddiqi. PRX Quantum (2022).

High-fidelity magic-state preparation with a biased-noise architecture, Shraddha Singh, Andrew S Darmawan, Benjamin J Brown, Shruti Puri. Physical Review A (2022).

Noise phased out, Shruti Puri. Nature Physics (2022)

Practical quantum error correction with the XZZX code and Kerr-cat qubits, Andrew S Darmawan, Benjamin J Brown, Arne L Grimsmo, David K Tuckett, Shruti Puri. PRX Quantum (2021).

Quantum Error Correction with the Gottesman-Kitaev-Preskill Code

AL Grimsmo, S Puri.

Physical Review X Quantum 2 (2), 020101 (2021)

Bias-preserving gates with stabilized cat qubits

S. Puri, L. St-Jean, J. A. Gross, A. Grimm, N. E. Frattini, P. S. Iyer, A. Krishna, S. Touzard, L. Jiang, A. Blais, S. T. Flammia, S. M. Girvin.

Science Advances, Vol. 6, no. 34, eaay5901. (2020)

Quantum Error Correction of a Qubit Encoded in Grid States of an Oscillator

P Campagne-Ibarcq, A Eickbusch, S Touzard, E Zalys-Geller, NE Frattini, VV Sivak, P Reinhold, S Puri, S Shankar, RJ Schoelkopf, L Frunzio, M Mirrahimi, MH Devoret.

Nature 584, 368-372 (2020)

Stabilization and Operation of a Kerr-Cat Qubit

A. Grimm, N. E. Frattini, S. Puri, S. O. Mundhada, S. Touzard, M. Mirrahimi, S. M. Girvin, S. Shankar, and M. H. Devoret. Nature 584, 205–209 (2020).

Stabilized Cat in Driven Nonlinear Cavity: A Fault-Tolerant Error Syndrome Detector

S. Puri, A. Grimm, P. Campagne-Ibarcq, A. Eickbusch, K. Noh, G. Roberts, L. Jiang, M. Mirrahimi, M. H. Devoret, and S. M. Girvin.

Phys. Rev. X 9, 041009. (2019).

Quantum annealing with all-to-all connected nonlinear oscillators

Puri S., Andersen C.K., Grimsmo A., Blais, A.

Nat Commun 8, 15785 (2017).

Engineering the quantum states of light in a Kerr-nonlinear resonator by two-photon driving

Puri S. , Boutin S., & Blais, A.

npj Quantum Information 3, 18 (2017).

Resonance fluorescence from an artificial atom in squeezed vacuum

D. M. Toyli, A. W. Eddins, S. Boutin, S. Puri, D. Hover, V. Bolkhovsky, W. D. Oliver, A. Blais, and I. Siddiqi.

Phys. Rev. X 6, 031004 (2016).