80 citations · 214 across the 24 of their papers we have counts for
7 papers · 1 filter
g-factor theory of Si/SiGe quantum dots: spin-valley and giant renormalization effects
Benjamin D. Woods, Merritt P. Losert, Robert Joynt +1
Understanding the -factor physics of Si/SiGe quantum dots is crucial for realizing high-quality spin qubits. While previous work has explained some aspects of -factor physics…
Omnidirectional shuttling to avoid valley excitations in Si/SiGe quantum wells
Róbert Németh, Vatsal K. Bandaru, Pedro Alves +7
Conveyor-mode shuttling is a key approach for implementing intermediate-range coupling between electron-spin qubits in quantum dots. Initial implementations are encouraging; howeve…
Bootstrapping, autonomous testing, and initialization system for Si/SiGe multi-quantum-dot devices
Tyler J. Kovach, Daniel Schug, M. A. Wolfe +7
Semiconductor quantum dot (QD) devices have become central to advancements in spin-based quantum computing. However, the increasing complexity of modern QD devices makes calibratio…
On-chip cryogenic multiplexing of Si/SiGe quantum devices
M. A. Wolfe, Thomas McJunkin, Daniel R. Ward +3
The challenges of operating qubits in a cryogenic environment point to a looming bottleneck for large-scale quantum processors, limited by the number of input-output connections. C…
Single-shot latched readout of a quantum dot qubit using barrier gate pulsing
Sanghyeok Park, Jared Benson, J. Corrigan +4
Latching techniques are widely used to enhance readout of qubits. These methods require precise tuning of multiple tunnel rates, which can be challenging to achieve under realistic…
Ultra-dispersive resonator readout of a quantum-dot qubit using longitudinal coupling
Benjamin Harpt, J. Corrigan, Nathan Holman +10
We perform readout of a quantum-dot hybrid qubit coupled to a superconducting resonator through a parametric, longitudinal interaction mechanism. Our experiments are performed with…
Operating semiconductor quantum processors with hopping spins
Chien-An Wang, Valentin John, Hanifa Tidjani +16
Qubits that can be efficiently controlled are essential for the development of scalable quantum hardware. While resonant control is used to execute high-fidelity quantum gates, the…