261 citations · 518 across the 19 of their papers we have counts for
20 papers
Dynamical Decoupling of Nonclassical States in a Biased-Noise Spin Qudit
Arjen Vaartjes, Namit Anand, Rocky Y. Su +16
Encoding quantum information in -dimensional systems (qudits) with offers appealing new directions for resource-efficient quantum computing. However, protecting the cohere…
Electron readout contrast enhancement in the parallel nuclear regime of an exchange-coupled donor spin qubit system
Holly G. Stemp, Mark R. van Blankenstein, Benjamin Wilhelm +10
Recent experiments on donor-based spin qubits in silicon have leveraged the exchange interaction between electrons bound to separate donor nuclei to perform two-qubit operations. A…
Maximizing the nondemolition nature of a quantum measurement via an adaptive readout protocol
Arjen Vaartjes, Rocky Yue Su, Laura A. O'Neill +15
Quantum error correction (QEC) requires non-invasive measurements for fault tolerant quantum computing. Deviations from ideal quantum non-demolition (QND) measurements can disturb…
Interplay of Zeeman Splitting and Tunnel Coupling in Coherent Spin Qubit Shuttling
Ssu-Chih Lin, Paul Steinacker, MengKe Feng +11
Spin shuttling offers a promising approach for developing scalable silicon-based quantum processors by addressing the connectivity limitations of quantum dots. In this work, we dem…
Scalable entanglement of nuclear spins mediated by electron exchange
Holly G. Stemp, Mark R. van Blankenstein, Serwan Asaad +11
The use of nuclear spins for quantum computation is limited by the difficulty in creating genuine quantum entanglement between distant nuclei. Current demonstrations of nuclear ent…
Enhancement of Electric Drive in Silicon Quantum Dots with Electric Quadrupole Spin Resonance
Philip Y. Mai, Pedro H. Pereira, Lucas Andrade Alonso +19
Quantum computation with electron spin qubits requires coherent and efficient manipulation of these spins, typically accomplished through the application of alternating magnetic or…
Certifying the quantumness of a nuclear spin qudit through its uniform precession
Arjen Vaartjes, Martin Nurizzo, Lin Htoo Zaw +16
Spin precession is a textbook example of dynamics of a quantum system that exactly mimics its classical counterpart. Here we challenge this view by certifying the quantumness of ex…
Violating Bell's inequality in gate-defined quantum dots
Paul Steinacker, Tuomo Tanttu, Wee Han Lim +15
Superior computational power promised by quantum computers utilises the fundamental quantum mechanical principle of entanglement. However, achieving entanglement and verifying that…
Spin Qubits with Scalable milli-kelvin CMOS Control
Samuel K. Bartee, Will Gilbert, Kun Zuo +14
A key virtue of spin qubits is their sub-micron footprint, enabling a single silicon chip to host the millions of qubits required to execute useful quantum algorithms with error co…
Schrödinger cat states of a nuclear spin qudit in silicon
Xi Yu, Benjamin Wilhelm, Danielle Holmes +17
High-dimensional quantum systems are a valuable resource for quantum information processing. They can be used to encode error-correctable logical qubits, which has been demonstrate…
Entangling gates on degenerate spin qubits dressed by a global field
Ingvild Hansen, Amanda E. Seedhouse, Santiago Serrano +12
Coherently dressed spins have shown promising results as building blocks for future quantum computers owing to their resilience to environmental noise and their compatibility with…
Coherence of a field-gradient-driven singlet-triplet qubit coupled to many-electron spin states in 28Si/SiGe
Younguk Song, Jonginn Yun, Jehyun Kim +9
Engineered spin-electric coupling enables spin qubits in semiconductor nanostructures to be manipulated efficiently and addressed individually. While synthetic spin-orbit coupling…
Real-time feedback protocols for optimizing fault-tolerant two-qubit gate fidelities in a silicon spin system
Nard Dumoulin Stuyck, Amanda E. Seedhouse, Santiago Serrano +10
Recently, several groups have demonstrated two-qubit gate fidelities in semiconductor spin qubit systems above 99%. Achieving this regime of fault-tolerant compatible high fideliti…
Impact of electrostatic crosstalk on spin qubits in dense CMOS quantum dot arrays
Jesus D. Cifuentes, Tuomo Tanttu, Paul Steinacker +20
Quantum processors based on integrated nanoscale silicon spin qubits are a promising platform for highly scalable quantum computation. Current CMOS spin qubit processors consist of…
Tomography of entangling two-qubit logic operations in exchange-coupled donor electron spin qubits
Holly G. Stemp, Serwan Asaad, Mark R. van Blankenstein +19
Scalable quantum processors require high-fidelity universal quantum logic operations in a manufacturable physical platform. Donors in silicon provide atomic size, excellent quantum…
Wavelet correlation noise analysis for qubit operation variable time series
Amanda E. Seedhouse, Nard Dumoulin Stuyck, Santiago Serrano +10
In quantum computing, characterizing the full noise profile of qubits can aid in increasing coherence times and fidelities by developing error-mitigating techniques specific to the…
Improved placement precision of implanted donor spin qubits in silicon using molecule ions
Danielle Holmes, Benjamin Wilhelm, Alexander M. Jakob +6
Donor spins in silicon-28 (Si) are among the most performant qubits in the solid state, offering record coherence times and gate fidelities above 99%. Donor spin qubits can…
Integrated silicon qubit platform with single-spin addressability, exchange control and robust single-shot singlet-triplet readout
M. A. Fogarty, K. W. Chan, B. Hensen +10
Silicon quantum dot spin qubits provide a promising platform for large-scale quantum computation because of their compatibility with conventional CMOS manufacturing and the long co…
Coherent control via weak measurements in P single-atom electron and nuclear spin qubits
J. T. Muhonen, J. P. Dehollain, A. Laucht +8
The understanding of weak measurements and interaction-free measurements has greatly expanded the conceptual and experimental toolbox to explore the quantum world. Here we demonstr…
Violation of a Leggett-Garg inequality with ideal non-invasive measurements
George C. Knee, Stephanie Simmons, Erik M. Gauger +9
The quantum superposition principle states that an entity can exist in two different states simultaneously, counter to our 'classical' intuition. Is it possible to understand a giv…