The germanium quantum information route
In the effort to develop disruptive quantum technologies, germanium is emerging as a
versatile material to realize devices capable of encoding, processing and transmitting …
versatile material to realize devices capable of encoding, processing and transmitting …
Nanomaterials for quantum information science and engineering
Quantum information science and engineering (QISE)—which entails the use of quantum
mechanical states for information processing, communications, and sensing—and the area …
mechanical states for information processing, communications, and sensing—and the area …
Fast two-qubit logic with holes in germanium
Universal quantum information processing requires the execution of single-qubit and two-
qubit logic. Across all qubit realizations, spin qubits in quantum dots have great promise to …
qubit logic. Across all qubit realizations, spin qubits in quantum dots have great promise to …
Gate-controlled quantum dots and superconductivity in planar germanium
Superconductors and semiconductors are crucial platforms in the field of quantum
computing. They can be combined to hybrids, bringing together physical properties that …
computing. They can be combined to hybrids, bringing together physical properties that …
Electrical operation of planar Ge hole spin qubits in an in-plane magnetic field
Hole spin qubits in group-IV semiconductors, especially Ge and Si, are actively investigated
as platforms for ultrafast electrical spin manipulation thanks to their strong spin-orbit …
as platforms for ultrafast electrical spin manipulation thanks to their strong spin-orbit …
Undoped strained Ge quantum well with ultrahigh mobility of two million
Z Kong, Z Li, G Cao, J Su, Y Zhang, J Liu… - … Applied Materials & …, 2023 - ACS Publications
We develop a method to fabricate an undoped Ge quantum well (QW) under a 32 nm
relaxed Si0. 2Ge0. 8 shallow barrier. The bottom barrier contains Si0. 2Ge0. 8 (650° C) and …
relaxed Si0. 2Ge0. 8 shallow barrier. The bottom barrier contains Si0. 2Ge0. 8 (650° C) and …
Cubic Rashba Spin-Orbit Interaction of a Two-Dimensional Hole Gas in a Strained- Quantum Well
The spin-orbit interaction (SOI) of a two-dimensional hole gas in the inversion symmetric
semiconductor Ge is studied in a strained-Ge/SiGe quantum well structure. We observe …
semiconductor Ge is studied in a strained-Ge/SiGe quantum well structure. We observe …
Recent advances in hole-spin qubits
Y Fang, P Philippopoulos, D Culcer… - Materials for …, 2023 - iopscience.iop.org
In recent years, hole-spin qubits based on semiconductor quantum dots have advanced at a
rapid pace. We first review the main potential advantages of these hole-spin qubits with …
rapid pace. We first review the main potential advantages of these hole-spin qubits with …
Majorana bound states in germanium Josephson junctions via phase control
We consider superconductor-normal-superconductor-normal-superconductor (SNSNS)
planar Josephson junctions in hole systems with spin-orbit interaction that is cubic in …
planar Josephson junctions in hole systems with spin-orbit interaction that is cubic in …
Electrical control of the tensor of the first hole in a silicon MOS quantum dot
Single holes confined in semiconductor quantum dots are a promising platform for spin-qubit
technology, due to the electrical tunability of the g factor of holes. However, the underlying …
technology, due to the electrical tunability of the g factor of holes. However, the underlying …