activity
20192022
collaborators

5 papers

quant-ph2022

Quantum error mitigation by hidden inverses protocol in superconducting quantum devices

Vicente Leyton-Ortega, Swarnadeep Majumder, Raphael C. Pooser

We present a method to improve the convergence of variational algorithms based on hidden inverses to mitigate coherent errors. In the context of error mitigation, this means replac…

quant-ph2021

Mode connectivity in the QCBM loss landscape

Kathleen E. Hamilton, Emily Lynn, Vicente Leyton-Ortega +2

Quantum circuit Born machines (QCBMs) and training via variational quantum algorithms (VQAs) are key applications for near-term quantum hardware. QCBM ansätze designs are unique in…

quant-ph2021

Benchmarking Quantum Chemistry Computations with Variational, Imaginary Time Evolution, and Krylov Space Solver Algorithms

Kübra Yeter-Aydeniz, Bryan T. Gard, Jacek Jakowski +5

The rapid progress of noisy intermediate-scale quantum (NISQ) computing underscores the need to test and evaluate new devices and applications. Quantum chemistry is a key applicati…

quant-ph2020

Quantum Fan-out: Circuit Optimizations and Technology Modeling

Pranav Gokhale, Samantha Koretsky, Shilin Huang +4

Instruction scheduling is a key compiler optimization in quantum computing, just as it is for classical computing. Current schedulers optimize for data parallelism by allowing simu…

quant-ph2019

Real-time calibration with spectator qubits

Swarnadeep Majumder, Leonardo Andreta de Castro, Kenneth R. Brown

Accurate control of quantum systems requires precise measurement of the parameters that govern the dynamics, including control fields and interactions with the environment. Paramet…