Modeling of planar germanium hole qubits in electric and magnetic fields

CA Wang, HE Ercan, MF Gyure, G Scappucci… - npj Quantum …, 2024 - nature.com
Hole-based spin qubits in strained planar germanium quantum wells have received
considerable attention due to their favorable properties and remarkable experimental …

Linear-in-momentum spin orbit interactions in planar Ge/GeSi heterostructures and spin qubits

EA Rodríguez-Mena, JC Abadillo-Uriel, G Veste… - Physical Review B, 2023 - APS
We investigate the existence of linear-in-momentum spin orbit interactions in the valence
band of Ge/GeSi heterostructures using an atomistic tight-binding method. We show that …

Bichromatic Rabi control of semiconductor qubits

V John, F Borsoi, Z György, CA Wang, G Széchenyi… - Physical review …, 2024 - APS
Electrically driven spin resonance is a powerful technique for controlling semiconductor spin
qubits. However, it faces challenges in qubit addressability and off-resonance driving in …

Demonstration of Microwave Resonators and Double Quantum Dots on Optimized Reverse-Graded Ge/SiGe Heterostructures

A Nigro, E Jutzi, F Oppliger, F De Palma… - ACS Applied …, 2024 - ACS Publications
One of the most promising platforms for the realization of spin-based quantum computing
are planar germanium quantum wells embedded between silicon–germanium barriers. To …

Electrical operation of hole spin qubits in planar MOS silicon quantum dots

Z Wang, A Sarkar, SD Liles, A Saraiva, AS Dzurak… - Physical Review B, 2024 - APS
Silicon hole quantum dots have been the subject of considerable attention thanks to their
strong spin-orbit coupling enabling electrical control, a feature that has been demonstrated …

Orbital angular momentum of Bloch electrons: equilibrium formulation, magneto-electric phenomena, and the orbital Hall effect

RB Atencia, A Agarwal, D Culcer - arXiv preprint arXiv:2403.07055, 2024 - arxiv.org
The investigation of orbital angular momentum (OAM) of delocalised Bloch electrons has
significantly advanced our understanding of magnetic, transport, and optical phenomena in …

High-Fidelity Spin Qubit Shuttling via Large Spin-Orbit Interactions

S Bosco, J Zou, D Loss - PRX Quantum, 2024 - APS
Shuttling spins with high fidelity is a key requirement to scale up semiconducting quantum
computers, enabling qubit entanglement over large distances and favoring the integration of …

A singlet-triplet hole-spin qubit in MOS silicon

SD Liles, DJ Halverson, Z Wang, A Shamim… - arXiv preprint arXiv …, 2023 - arxiv.org
Holes in silicon quantum dots are promising for spin qubit applications due to the strong
intrinsic spin-orbit coupling. The spin-orbit coupling produces complex hole-spin dynamics …

Microwave driven singlet-triplet qubits enabled by site-dependent g-tensors

J Saez-Mollejo, D Jirovec, Y Schell, J Kukucka… - arXiv preprint arXiv …, 2024 - arxiv.org
Hole spin qubits are rapidly emerging as the workhorse of semiconducting quantum
processors because of their large spin-orbit interaction, enabling fast all-electric operations …

Photodriven germanium hole qubit

B Dey, J Schliemann - Physical Review B, 2024 - APS
Hole qubits in germanium quantum dots are promising candidates for coherent control and
manipulation of the spin degree of freedom through electric dipole spin resonance. We …