Research Products

Identifiability and Characterization of Transmon Qutrits Through Bayesian Experimental Design

Authors: Sohail Reddy

Open hardware solutions in quantum technology

Authors: Nathan Shammah, Anurag Saha Roy, Carmen G Almudever, Sébastien Bourdeauducq, Anastasiia Butko, Gustavo Cancelo, Susan M Clark, Johannes Heinsoo, Loïc Henriet, Gang Huang, Christophe Jurczak, Janne Kotilahti, Alessandro Landra, Ryan LaRose, Andrea Mari, Kasra Nowrouzi, Caspar Ockeloen-Korppi, Guen Prawiroatmodjo, Irfan Siddiqi, William J Zeng

Scalable measurement error mitigation via iterative bayesian unfolding

Authors: Bibek Pokharel, Siddarth Srinivasan, Gregory Quiroz, Byron Boots

Robust Implicit Adaptive Low Rank Time-Stepping Methods for Matrix Differential Equations

Authors: Daniel Appelö, Yingda Cheng

Quantum error mitigation by layerwise Richardson extrapolation

Authors: Vincent Russo, Andrea Mari

Dynamically Generated Decoherence-Free Subspaces and Subsystems on Superconducting Qubits

Authors: Gregory Quiroz, Bibek Pokharel, Joseph Boen, Lina Tewala, Vinay Tripathi, Devon Williams, Lian-Ao Wu, Paraj Titum, Kevin Schultz, Daniel Lidar

Demonstration of Algorithmic Quantum Speedup for an Abelian Hidden Subgroup Problem

Authors: Phattharaporn Singkanipa, Victor Kasatkin, Zeyuan Zhou, Gregory Quiroz, Daniel A Lidar

NAPA: intermediate-level variational native-pulse ansatz for variational quantum algorithms

Authors: Zhiding Liang, Jinglei Cheng, Hang Ren, Hanrui Wang, Fei Hua, Zhixin Song, Yongshan Ding, Frederic T Chong, Song Han, Xuehai Qian, Yiyu Shi

Dynamical decoupling for superconducting qubits: a performance survey

Authors: Nic Ezzell, Bibek Pokharel, Lina Tewala, Gregory Quiroz, Daniel A Lidar

Expanding Hardware-Efficiently Manipulable Hilbert Space via Hamiltonian Embedding

Authors: J Leng, J Li, Y Peng, X Wu

Counting collisions in random circuit sampling for benchmarking quantum computers

Authors: Andrea Mari

Exploring ququart computation on a transmon using optimal control

Authors: Lennart Maximilian Seifert, Ziqian Li, Tanay Roy, David I Schuster, Frederic T Chong, Jonathan M Baker

A practical approach to determine minimal quantum gate durations using amplitude-bounded quantum controls

Stefanie Günther, N Anders Petersson

Quantum crosstalk robust quantum control

Zeyuan Zhou, Ryan Sitler, Yasuo Oda, Kevin Schultz, Gregory Quiroz

QuantumSEA: In-Time Sparse Exploration for Noise Adaptive Quantum Circuits

Authors: Tianlong Chen, Zhenyu Zhang, Hanrui Wang, Jiaqi Gu, Zirui Li, David Z Pan, Frederic T Chong, Song Han, Zhangyang Wang

Noise Modeling of the IBM Quantum Platform

Authors: Yasuo Oda, Omar Shehab, Gregory Quiroz

Efficient control pulses for continuous quantum gate families through coordinated re-optimization

Authors: Jason D Chadwick, Frederic T Chong

Gaussian Process-based Bayesian Quantum Characterization

Authors: Mohammad Motamed, N Anders Petersson

Deterministic and Bayesian Characterization of Quantum Computing Devices

Authors: Zhichao Peng, Daniel Appelö, N Anders Petersson, Mohammad Motamed, Fortino Garcia, Yujin Cho

Zero noise extrapolation on logical qubits by scaling the error correction code distance

Authors: Misty A Wahl, Andrea Mari, Nathan Shammah, William J Zeng, Gokul Subramanian Ravi

Noise-specific beating in the higher-level Ramsey curves of a transmon qubit

Authors: LA Martinez, Zhichao Peng, D Appelö, DM Tennant, N Anders Petersson, Jonathan L DuBois, Yaniv J Rosen

Exact and approximate simulation of large quantum circuits on a single GPU

Authors: Daniel Strano, Benn Bollay, Aryan Blaauw, Nathan Shammah, William J Zeng, Andrea Mari

Increasing the Measured Effective Quantum Volume with Zero Noise Extrapolation

Authors: Elijah Pelofske, Vincent Russo, Ryan LaRose, Andrea Mari, Dan Strano, Andreas Bärtschi, Stephan Eidenbenz, William J Zeng

Optimally Band-Limited Noise Filtering for Single-Qubit Gates

Authors: Yasuo Oda, Dennis Lucarelli, Kevin Schultz, B David Clader, Gregory Quiroz

Mathematical approaches for characterization, control, calibration and validation of a quantum computing device

Authors: Zhichao Peng, Daniel Appelo, N Anders Petersson, Fortino Garcia, Yujin Cho

Automated quantum error mitigation based on probabilistic error reduction

Authors: Benjamin McDonough, Andrea Mari, Nathan Shammah, Nathaniel T Stemen, Misty Wahl, William J Zeng, Peter P Orth

Impact of time-correlated noise on zero-noise extrapolation

Authors: Kevin Schultz, Ryan LaRose, Andrea Mari, Gregory Quiroz, Nathan Shammah, B David Clader, William J Zeng

Qubit control noise spectroscopy with optimal suppression of dephasing

Authors: Vivian Maloney, Yasuo Oda, Gregory Quiroz, B. David Clader, and Leigh M. Norris

Mitiq: A software package for error mitigation on noisy quantum computers

Authors: Ryan LaRose, Andrea Mari, Sarah Kaiser, Peter J Karalekas, Andre A Alves, Piotr Czarnik, Mohamed El Mandouh, Max H Gordon, Yousef Hindy, Aaron Robertson, Purva Thakre, Misty Wahl, Danny Samuel, Rahul Mistri, Maxime Tremblay, Nick Gardner, Nathaniel T Stemen, Nathan Shammah, William J Zeng

Provably Optimal Control for Multiplicative Amplitude Control Noise

Authors: Colin J Trout, Kevin Schultz, Paraj Titum, Leigh Norris, Gregory Quiroz

DigiQ: A Scalable Digital Controller for Quantum Computers Using SFQ Logic

Authors: Mohammad Reza Jokar, Richard Rines, Ghasem Pasandi, Haolin Cong, Adam Holmes, Yunong Shi, Massoud Pedram, Frederic T. Chong

Pulse-level noisy quantum circuits in QuTiP

Authors: Boxi Li, Shahnawaz Ahmed, Sidhant Saraogi, Neill Lambert, Franco Nori, Alexander Pitchford, and Nathan Shammah

Practical implications of SFQ-based two-qubit gates

Authors: Mohammad Reza Jokar, Richard Rines, Frederic T. Chong

VAQEM: A Variational Approach to Quantum Error Mitigation

Authors: Gokul Subramanian Ravi, Kaitlin N. Smith, Pranav Gokhale, Andrea Mari, Nathan Earnest, Ali Javadi-Abhari, Frederic T. Chong

Efficient Universal Quantum Compilation: An Inverse-free Solovay-Kitaev Algorithm

Authors: Adam Bouland, Tudor Giurgica-Tiron

QuantumNAS: Noise-Adaptive Search for Robust Quantum Circuits

Authors: Hanrui Wang, Yongshan Ding, Jiaqi Gu, Zirui Li, Yujun Lin, David Z. Pan, Frederic T. Chong, Song Han

Quandary: An open-source C++ package for high-performance optimal control of open quantum systems

Authors: Stefanie Günther, N. Anders Petersson, Jonathan L. Dubois

Adaptive Circuit Learning for Quantum Metrology

Authors: Ziqi Ma, Pranav Gokhale, Tian-Xing Zheng, Sisi Zhou, Xiaofei Yu, Liang Jiang, Peter Maurer, Frederic T. Chong

Quantum Optimal Control for Pure-State Preparation Using One Initial State

Stefanie Günther, N. Anders Petersson, Jonathan L. DuBois

Optimal Control of Closed Quantum Systems via B-Splines with Carrier Waves

Authors: N. Anders Petersson, Fortino Garcia

Extending quantum probabilistic error cancellation by noise scaling

Authors: Andrea Mari, Nathan Shammah, William J. Zeng

Universal Dephasing Noise Injection via Schrodinger Wave Autoregressive Moving Average Models

Andrew Murphy, Jacob Epstein, Gregory Quiroz, Kevin Schultz, Lina Tewala, Kyle McElroy, Colin Trout, Brian Tien-Street, Joan A. Hoffmann, B. D. Clader, Junling Long, David P. Pappas, Timothy M. Sweeney

SchWARMA: A model-based approach for time-correlated noise in quantum circuits

Kevin Schultz, Gregory Quiroz, Paraj Titum, B. D. Clader

Mitiq: A software package for error mitigation on noisy quantum computers

Ryan LaRose, Andrea Mari, Peter J. Karalekas, Nathan Shammah, William J. Zeng

NISQ+: Boosting computational power of quantum computers by approximating quantum error correction

Adam Holmes, Mohammad Reza Jokar, Ghasem Pasandi, Yongshan Ding, Massoud Pedram, Frederic T. ChongInternational Symposium on Computer Architecture

Digital zero noise extrapolation for quantum error mitigation

Tudor Giurgica-Tiron, Yousef Hindy, Ryan LaRose, Andrea Mari, William J. Zeng

Systematic Crosstalk Mitigation for Superconducting Qubits via Frequency-Aware Compilation.

Y. Ding, P. Gokhale, S. F. Lin, R. Rines, T. Propson, and F. T. Chong.

Optimized Quantum Compilation for Near-Term Algorithms with OpenPulse.

P. Gokhale, A. Javadi-Abhari, N. Earnest, Y. Shi, F.T. Chong

Discrete Adjoints for Accurate Numerical Optimization with Application to Quantum Control

N. Anders Petersson, Fortino M. Garcia, Austin E. Copeland, Ylva L. Rydin, Jonathan L. DuBois

High-fidelity software-defined quantum logic on a superconducting qudit

X. Wu, S. L. Tomarken, N. A. Petersson, L. A. Martinez, Y. J. Rosen, J. L. DuBois

Virtualized Logical Qubits: A 2.5D Architecture for Error-Corrected Quantum Computing.

C. Duckering, J. M. Baker, D. I. Schuster, and F. T. Chong.