Research

We’ve created a world class team of experts to perform research and development on quantum error correction, quantum computing and industry applications.

Featured papers
Parallel window decoding enables scalable fault tolerant quantum computation
Nature Communications

Parallel window decoding enables scalable fault tolerant quantum computation

Authors
Luka Skoric, Dan Browne, Kenton Barnes, Neil I. Gillespie, and Earl Campbell
Publication
Nature Communications
A real-time, scalable, fast and highly resource efficient decoder for a quantum computer

A real-time, scalable, fast and highly resource efficient decoder for a quantum computer

Authors
Ben Barber, Kenton M. Barnes, Tomasz Bialas, Okan Buğdaycı, Earl T. Campbell, Neil I. Gillespie, Kauser Johar, Ram Rajan, Adam W. Richardson, Luka Skoric, Canberk Topal, Mark L. Turner, Abbas B. Ziad
Ambiguity Clustering: an accurate and efficient decoder for qLDPC codes

Ambiguity Clustering: an accurate and efficient decoder for qLDPC codes

Authors
Stasiu Wolanski, Ben Barber

We partner with leading quantum hardware companies and university labs to advance the design, engineering and benchmarking of quantum computers, with a core focus on quantum error correction.

We work with leading industry partners in the pharmaceutical, climate science, advanced materials and aerospace sectors to identify specific areas where quantum computing will drive the greatest advances in human progress.

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Leakage Mobility in Superconducting Qubits as a Leakage Reduction Unit

Leakage Mobility in Superconducting Qubits as a Leakage Reduction Unit

Authors
Joan Camps, Ophelia Crawford, György P. Gehér, Alexander V. Gramolin, Matthew P. Stafford, Mark Turner
Complementary polynomials in quantum signal processing

Complementary polynomials in quantum signal processing

Authors
Bjorn K. Berntson, Christoph Sünderhauf
Tangling schedules eases hardware connectivity requirements for quantum error correction
PRX Quantum

Tangling schedules eases hardware connectivity requirements for quantum error correction

Authors
Gyorgy P. Geher, Ophelia Crawford, Earl T. Campbell
Publication
PRX Quantum
Reducing the error rate of a superconducting logical qubit using analog readout information

Reducing the error rate of a superconducting logical qubit using analog readout information

Authors
Hany Ali, Jorge Marques, Ophelia Crawford, Joonas Majaniemi, Marc Serra-Peralta, David Byfield, Boris Varbanov, Barbara M. Terhal, Leonardo DiCarlo, Earl T. Campbell
Block-encoding structured matrices for data input in quantum computing
Quantum Journal

Block-encoding structured matrices for data input in quantum computing

Authors
Christoph Sünderhauf, Earl Campbell, Joan Camps
Publication
Quantum Journal
Error-corrected Hadamard gate simulated at the circuit level
Quantum Journal

Error-corrected Hadamard gate simulated at the circuit level

Authors
György P. Gehér, Campbell McLauchlan, Earl T. Campbell, Alexandra E. Moylett, Ophelia Crawford
Publication
Quantum Journal
Statistical phase estimation and error mitigation on a superconducting quantum processor
PRX Quantum

Statistical phase estimation and error mitigation on a superconducting quantum processor

Authors
Nick S. Blunt, Laura Caune, Róbert Izsák, Earl T. Campbell, Nicole Holzmann
Publication
PRX Quantum
Generalized Quantum Singular Value Transformation

Generalized Quantum Singular Value Transformation

Authors
Christoph Sünderhauf
Accurate and Honest Approximation of Correlated Qubit Noise

Accurate and Honest Approximation of Correlated Qubit Noise

Authors
F. Setiawan, Alexander V. Gramolin, Elisha S. Matekole, Hari Krovi, Jacob M. Taylor
Optimising the quantum/classical interface for efficiency and portability with a multi-level hardware abstraction layer for quantum computers
EPJ Quantum Technology

Optimising the quantum/classical interface for efficiency and portability with a multi-level hardware abstraction layer for quantum computers

Authors
Kenton M. Barnes, Anton Buyskikh, Nicholas Y. Chen, Gabriel Gallardo, Marco Ghibaudi, Matthew J. A. Ruszala, Daniel S. Underwood, Abhishek Agarwal, Deep Lall, Ivan Rungger & Nikolaos Schoinas
Publication
EPJ Quantum Technology
Real-time decoding for fault-tolerant quantum computing: progress, challenges, and outlook - Nano Futures (IoP Printing and Graphic Science Group).
Nano Futures

Real-time decoding for fault-tolerant quantum computing: progress, challenges, and outlook - Nano Futures (IoP Printing and Graphic Science Group).

Authors
F Battistel, C Chamberland, K Johar, R W J Overwater, F Sebastiano, L Skoric, Y Ueno, and M Usman
Publication
Nano Futures
Improved Decoding of Circuit Noise and Fragile Boundaries of Tailored Surface Codes
Physical Review X

Improved Decoding of Circuit Noise and Fragile Boundaries of Tailored Surface Codes

Authors
Earl T. Campbell, Oscar Higgott, Thomas C. Bohdanowicz, Aleksander Kubica, Steven T. Flammia.
Publication
Physical Review X
The Electronic Structure of the Hydrogen Molecule: A Tutorial Exercise in Classical and Quantum Computation

The Electronic Structure of the Hydrogen Molecule: A Tutorial Exercise in Classical and Quantum Computation

Authors
Vincent Graves, Christoph Sünderhauf, Nick S. Blunt, Róbert Izsák, Milán Szőri
Neural network decoder for near-term surface-code experiments

Neural network decoder for near-term surface-code experiments

Authors
Boris M. Varbanov, Marc Serra-Peralta, David Byfield, Barbara M. Terhal
Compilation of a simple chemistry application to quantum error correction primitives

Compilation of a simple chemistry application to quantum error correction primitives

Authors
Nick S. Blunt, György P. Gehér, Alexandra E. Moylett
Belief propagation as a partial decoder

Belief propagation as a partial decoder

Authors
Laura Caune, Joan Camps, Brendan Reid, Earl Campbell
Bias-tailored quantum LDPC codes
Quantum Journal

Bias-tailored quantum LDPC codes

Authors
Joschka Roffe, Lawrence Z. Cohen, Armanda O. Quintavalle, Daryus Chandra, Earl T. Campbell
Publication
Quantum Journal
Improved quantum algorithms for linear and non linear differential equations
Quantum Journal

Improved quantum algorithms for linear and non linear differential equations

Authors
Hari Krovi
Publication
Quantum Journal