304 citations · 2k across the 46 of their papers we have counts for
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Device characterization of SiSiGe double quantum dots using exchange oscillations in Earth's magnetic field
Holly G. Stemp, Harry Hanlim Kang, Chih Hwan Yang +6
Exchange-based semiconductor qubits encompass a broad family of encodings constructed from singlet- and triplet-like spin states, several of which are compatible with operation at…
Dispersive Readout of a SiMOS Quantum Dot Using a Flip-Chip Integrated Microwave Resonator
Vo Kim Hieu Van, Santiago Serrano, Cédric Bohémier +11
Heterogeneous integration provides a promising route to combine semiconductor quantum dot devices and superconducting microwave circuits, while allowing each component to be fabric…
SiMOS quantum-dot spin qubits enabled by extreme-ultraviolet lithography
Thomas Van Caekenberghe, Paul Steinacker, Bart Raes +31
The realization of large-scale silicon quantum processors requires spin qubits compatible with advanced semiconductor manufacturing technologies, demanding lithographic processes t…
Coupling a Ge nuclear spin to an electrostatically defined quantum dot
Paul Steinacker, Gauri Goenka, Rocky Yue Su +17
Single nuclear spins in silicon are a promising resource for quantum technologies due to their long coherence times and excellent control fidelities. Qubits and qudits have been en…
Precision high-speed quantum logic with holes on a natural silicon foundry platform
Isaac Vorreiter, Jonathan Y. Huang, Scott D. Liles +15
Silicon spin qubits in gate-defined quantum dots leverage established semiconductor infrastructure and offer a scalable path toward transformative quantum technologies. Holes spins…
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…
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…
A 2x2 quantum dot array in silicon with fully tuneable pairwise interdot coupling
Wee Han Lim, Tuomo Tanttu, Tony Youn +12
Recent advances in semiconductor spin qubits have achieved linear arrays exceeding ten qubits. Moving to two-dimensional (2D) qubit arrays is a critical next step to advance toward…
A 300 mm foundry silicon spin qubit unit cell exceeding 99% fidelity in all operations
Paul Steinacker, Nard Dumoulin Stuyck, Wee Han Lim +24
Fabrication of quantum processors in advanced 300 mm wafer-scale complementary metal-oxide-semiconductor (CMOS) foundries provides a unique scaling pathway towards commercially via…
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…
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…
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…
Jellybean quantum dots in silicon for qubit coupling and on-chip quantum chemistry
Zeheng Wang, MengKe Feng, Santiago Serrano +15
The small size and excellent integrability of silicon metal-oxide-semiconductor (SiMOS) quantum dot spin qubits make them an attractive system for mass-manufacturable, scaled-up qu…
Control of dephasing in spin qubits during coherent transport in silicon
MengKe Feng, Jun Yoneda, Wister Huang +12
One of the key pathways towards scalability of spin-based quantum computing systems lies in achieving long-range interactions between electrons and increasing their inter-connectiv…
On-demand electrical control of spin qubits
Will Gilbert, Tuomo Tanttu, Wee Han Lim +17
Once called a "classically non-describable two-valuedness" by Pauli , the electron spin is a natural resource for long-lived quantum information since it is mostly impervious to el…
Implementation of the SMART protocol for global qubit control in silicon
Ingvild Hansen, Amanda E. Seedhouse, Kok Wai Chan +6
Quantum computing based on spins in the solid state allows for densely-packed arrays of quantum bits. While high-fidelity operation of single qubits has been demonstrated with indi…
Materials for Silicon Quantum Dots and their Impact on Electron Spin Qubits
Andre Saraiva, Wee Han Lim, Chih Hwan Yang +3
Quantum computers have the potential to efficiently solve problems in logistics, drug and material design, finance, and cybersecurity. However, millions of qubits will be necessary…
A high-sensitivity charge sensor for silicon qubits above one kelvin
Jonathan Y. Huang, Wee Han Lim, Ross C. C. Leon +6
Recent studies of silicon spin qubits at temperatures above 1 K are encouraging demonstrations that the cooling requirements for solid-state quantum computing can be considerably r…
Single-electron spin resonance in a nanoelectronic device using a global field
E. Vahapoglu, J. P. Slack-Smith, R. C. C. Leon +8
Spin-based silicon quantum electronic circuits offer a scalable platform for quantum computation, combining the manufacturability of semiconductor devices with the long coherence t…
Roadmap for gallium arsenide spin qubits
Ferdinand Kuemmeth, Hendrik Bluhm
Gate-defined quantum dots in gallium arsenide (GaAs) have been used extensively for pioneering spin qubit devices due to the relative simplicity of fabrication and favourable elect…
Bell-state tomography in a silicon many-electron artificial molecule
Ross C. C. Leon, Chih Hwan Yang, Jason C. C. Hwang +10
An error-corrected quantum processor will require millions of qubits, accentuating the advantage of nanoscale devices with small footprints, such as silicon quantum dots. However,…
Single-electron operation of a silicon-CMOS 2x2 quantum dot array with integrated charge sensing
Will Gilbert, Andre Saraiva, Wee Han Lim +8
The advanced nanoscale integration available in silicon complementary metal-oxide-semiconductor (CMOS) technology provides a key motivation for its use in spin-based quantum comput…
Controlling spin-orbit interactions in silicon quantum dots using magnetic field direction
Tuomo Tanttu, Bas Hensen, Kok Wai Chan +9
Silicon quantum dots are considered an excellent platform for spin qubits, partly due to their weak spin-orbit interaction. However, the sharp interfaces in the heterostructures in…
Silicon qubit fidelities approaching incoherent noise limits via pulse engineering
C. H. Yang, K. W. Chan, R. Harper +12
The performance requirements for fault-tolerant quantum computing are very stringent. Qubits must be manipulated, coupled, and measured with error rates well below 1%. For semicond…