Combining quantum processors with real-time classical communication

A Carrera Vazquez, C Tornow, D Ristè, S Woerner… - Nature, 2024 - nature.com
Quantum computers process information with the laws of quantum mechanics. Current
quantum hardware is noisy, can only store information for a short time and is limited to a few …

Probabilistic error cancellation for dynamic quantum circuits

RS Gupta, E Van Den Berg, M Takita, D Riste… - Physical Review A, 2024 - APS
Probabilistic error cancellation (PEC) is a technique that generates error-mitigated estimates
of expectation values from ensembles of quantum circuits. In this work we extend the …

Review of distributed quantum computing. from single qpu to high performance quantum computing

D Barral, FJ Cardama, G Díaz, D Faílde… - arxiv preprint arxiv …, 2024 - arxiv.org
The emerging field of quantum computing has shown it might change how we process
information by using the unique principles of quantum mechanics. As researchers continue …

Experimental computations of atomic properties on a superconducting quantum processor

AP Singh, K Sugisaki, S Prasannaa, BK Sahoo, BP Das… - Physical Review A, 2024 - APS
We experimentally compute relativistic and correlation effects in the atomic properties by
using a superconducting qubit processor. Specifically, we compute the relativistic ground …

A globally driven superconducting quantum computing architecture

R Menta, F Cioni, R Aiudi, M Polini… - arxiv preprint arxiv …, 2024 - arxiv.org
We propose a platform for implementing a universal, globally driven quantum computer
based on a 2D ladder hosting three different species of superconducting qubits. In stark …

Circuit Knitting Faces Exponential Sampling Overhead Scaling Bounded by Entanglement Cost

M **g, C Zhu, X Wang - arxiv preprint arxiv:2404.03619, 2024 - arxiv.org
Circuit knitting, a method for connecting quantum circuits across multiple processors to
simulate nonlocal quantum operations, is a promising approach for distributed quantum …

Circuit knitting facing exponential sampling-overhead scaling bounded by entanglement cost

M **g, C Zhu, X Wang - Physical Review A, 2025 - APS
Circuit knitting, a method for connecting quantum circuits across multiple processors to
simulate nonlocal quantum operations, is a promising approach for distributed quantum …

Scaling Quantum Computations via Gate Virtualization

N Tornow, E Giortamis, P Bhatotia - arxiv preprint arxiv:2406.18410, 2024 - arxiv.org
We present the Quantum Virtual Machine (QVM), an end-to-end generic system for scalable
execution of large quantum circuits with high fidelity on noisy and small quantum processors …

Global control in a superconducting quantum computer

M Riccardi, R Menta, F Cioni, R Aiudi… - 2024 IEEE …, 2024 - ieeexplore.ieee.org
We propose a platform to implement a scalable universal quantum computer based on a 2D
array of superconducting qubits. Notably, calculations in our scheme are enabled by a set of …