Coupling of a hole double quantum dot in planar germanium to a microwave cavity

Y Kang, ZH Li, ZZ Kong, FG Li, TY Hao, ZC Wei… - Physical Review …, 2024 - APS
In recent years, notable progress has been made in the study of hole qubits in planar
germanium, and circuit quantum electrodynamics (circuit QED) has emerged as a promising …

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 …

Electric Dipole Coupling of a Bilayer Graphene Quantum Dot to a High-Impedance Microwave Resonator

MJ Ruckriegel, LM Gächter, D Kealhofer… - Nano Letters, 2024 - ACS Publications
We implement circuit quantum electrodynamics (cQED) with quantum dots in bilayer
graphene, a maturing material platform that can host long-lived spin and valley states. Our …

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 …

Strong charge-photon coupling in planar germanium enabled by granular aluminium superinductors

M Janík, K Roux, CB Espinosa, O Sagi… - arXiv preprint arXiv …, 2024 - arxiv.org
High kinetic inductance superconductors are gaining increasing interest for the realisation of
qubits, amplifiers and detectors. Moreover, thanks to their high impedance, quantum buses …

Exchange-Only Spin-Orbit Qubits in Silicon and Germanium

S Bosco, M Rimbach-Russ - arXiv preprint arXiv:2410.05461, 2024 - arxiv.org
The strong spin-orbit interaction in silicon and germanium hole quantum dots enables all-
electric microwave control of single spins but is unsuited for multi-spin exchange-only qubits …

True decoherence-free-subspace derived from a semiconductor double quantum dot Heisenberg spin-trimer

W Jang, J Kim, J Park, MK Cho, H Jang, S Sim… - arXiv preprint arXiv …, 2024 - arxiv.org
Spins in solid systems can inherently serve as qubits for quantum simulation or quantum
information processing. Spin qubits are usually prone to environmental magnetic field …