815 citations · 8.1k across the 75 of their papers we have counts for
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Pipeline quantum processor architecture for silicon spin qubits
S. M. Patomäki, M. F. Gonzalez-Zalba, M. A. Fogarty +3
Noisy intermediate-scale quantum (NISQ) devices seek to achieve quantum advantage over classical systems without the use of full quantum error correction. We propose a NISQ process…
Room temperature quantum bit storage exceeding 39 minutes using ionized donors in 28-silicon
Kamyar Saeedi, Stephanie Simmons, Jeff Z. Salvail +7
Quantum memories capable of storing and retrieving coherent information for extended times at room temperature would enable a host of new technologies. Electron and nuclear spin qu…
Coherent spin dynamics of rare-earth doped crystals in the high-cooperativity regime
Joseph Alexander, Gavin Dold, Oscar W. Kennedy +9
Rare-earth doped crystals have long coherence times and the potential to provide quantum interfaces between microwave and optical photons. Such applications benefit from a high coo…
Random-access quantum memory using chirped pulse phase encoding
James O'Sullivan, Oscar W. Kennedy, Kamanasish Debnath +9
As in conventional computing, key attributes of quantum memories are high storage density and, crucially, random access, or the ability to read from or write to an arbitrarily chos…
Spatially-resolved decoherence of donor spins in silicon strained by a metallic electrode
V. Ranjan, B. Albanese, E. Albertinale +10
Electron spins are amongst the most coherent solid-state systems known, however, to be used in devices for quantum sensing and information processing applications, they must be typ…
Using deep learning to understand and mitigate the qubit noise environment
David F. Wise, John J. L. Morton, Siddharth Dhomkar
Understanding the spectrum of noise acting on a qubit can yield valuable information about its environment, and crucially underpins the optimization of dynamical decoupling protoco…
Self-stimulated pulse echo trains from inhomogeneously broadened spin ensembles
Kamanasish Debnath, Gavin Dold, John J. L. Morton +1
We show experimentally and describe theoretically how a conventional magnetic resonance Hahn echo sequence can lead to a self-stimulated pulse echo train when an inhomogeneously br…
Storing quantum information in spins and high-sensitivity ESR
John J. L. Morton, Patrice Bertet
Quantum information, encoded within the states of quantum systems, represents a novel and rich form of information which has inspired new types of computers and communications syst…
A Silicon Surface Code Architecture Resilient Against Leakage Errors
Zhenyu Cai, Michael A. Fogarty, Simon Schaal +3
Spin qubits in silicon quantum dots are one of the most promising building blocks for large scale quantum computers thanks to their high qubit density and compatibility with the ex…
Coherent spin dynamics of ytterbium ions in yttrium orthosilicate
Hee-Jin Lim, Sacha Welinski, Alban Ferrier +2
We investigate the electron and nuclear spin coherence properties of ytterbium () ions with non-zero nuclear spin, within an yttrium orthosilicate (YSiO)…
Si nuclear spins as a resource for donor spin qubits in silicon
Gary Wolfowicz, Pierre-Andre Mortemousque, Roland Guichard +4
Nuclear spin registers in the vicinity of electron spins in solid state systems offer a powerful resource to address the challenge of scalability in quantum architectures. We inves…
The classical nature of nuclear spin noise near clock transitions of Bi donors in silicon
Wen-Long Ma, Gary Wolfowicz, Shu-Shen Li +2
Whether a quantum bath can be approximated as classical noise is a fundamental issue in central spin decoherence and also of practical importance in designing noise-resilient quant…
Coherent storage of microwave excitations in rare-earth nuclear spins
Gary Wolfowicz, Hannes Maier-Flaig, Robert Marino +4
Interfacing between various elements of a computer - from memory to processors to long range communication - will be as critical for quantum computers as it is for classical comput…
A silicon-based surface code quantum computer
Joe O'Gorman, Naomi H. Nickerson, Philipp Ross +2
Individual impurity atoms in silicon can make superb individual qubits, but it remains an immense challenge to build a multi-qubit processor: There is a basic conflict between nano…
Conditional control of donor nuclear spins in silicon using Stark shifts
Gary Wolfowicz, Matias Urdampilleta, Mike L. W. Thewalt +5
Electric fields can be used to tune donor spins in silicon using the Stark shift, whereby the donor electron wave function is displaced by an electric field, modifying the hyperfin…
Atomic clock transitions in silicon-based spin qubits
Gary Wolfowicz, Alexei M. Tyryshkin, Richard E. George +7
A major challenge in using spins in the solid state for quantum technologies is protecting them from sources of decoherence. This can be addressed, to varying degrees, by improving…
Geometric Phase Gates with Adiabatic Control in Electron Spin Resonance
Hua Wu, Erik M. Gauger, Richard E. George +8
High-fidelity quantum operations are a key requirement for fault-tolerant quantum information processing. In electron spin resonance, manipulation of the quantum spin is usually ac…
Opening up the Quantum Three-Box Problem with Undetectable Measurements
Richard E. George, Lucio Robledo, Owen Maroney +7
One of the most striking features of quantum mechanics is the profound effect exerted by measurements alone. Sophisticated quantum control is now available in several experimental…
First-principles investigation of hyperfine interactions for nuclear spin entanglement in photo-excited fullerenes
Vasileia Filidou, Davide Ceresoli, John J. L. Morton +1
The study of hyperfine interactions in optically excited fullerenes has recently acquired importance within the context of nuclear spin entanglement for quantum information technol…
Ultrafast entangling gates between nuclear spins using photo-excited triplet states
Vasileia Filidou, Stephanie Simmons, Steven D. Karlen +3
The representation of information within the spins of electrons and nuclei has been powerful in the ongoing development of quantum computers. Although nuclear spins are advantageou…
Electron spin ensemble strongly coupled to a three-dimensional microwave cavity
Eisuke Abe, Hua Wu, Arzhang Ardavan +1
We demonstrate the strong coupling between an electron spin ensemble and a three-dimensional cavity in a reflection geometry. We also find that an anticrossing in the cavity/spin s…
Hybrid solid state qubits: the powerful role of electron spins
John J. L. Morton, Brendon W. Lovett
We review progress on the use of electron spins to store and process quantum information, with particular focus on the ability of the electron spin to interact with multiple quantu…
Entanglement in a Solid State Spin Ensemble
Stephanie Simmons, Richard M. Brown, Helge Riemann +6
Entanglement is the quintessential quantum phenomenon and a necessary ingredient in most emerging quantum technologies, including quantum repeaters, quantum information processing…
Ensemble based quantum metrology
Marcus Schaffry, Erik M. Gauger, John J. L. Morton +3
The field of quantum metrology promises measurement devices that are fundamentally superior to conventional technologies. Specifically, when quantum entanglement is harnessed the p…