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 …

Semiconductor spin qubits based on spin–orbit states are responsive to electric field
excitations, allowing for practical, fast and potentially scalable qubit control. Spin electric …

Hole spin qubits are frontrunner platforms for scalable quantum computers, but state-of-the-
art devices suffer from noise originating from the hyperfine interactions with nuclear defects …

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 …

Hole spin qubits based on germanium (Ge) have strong tunable spin–orbit interaction (SOI)
and ultrafast qubit operation speed. Here we report that the Rabi frequency (f Rabi) of a hole …

Strong spin-orbit interactions make hole quantum dots central to the quest for electrical spin
qubit manipulation enabling fast, low-power, scalable quantum computation. Yet it is …

Quantum computing offers the potential to revolutionize information processing by exploiting
the principles of quantum mechanics. Among the diverse quantum bit (qubit) technologies …

Understanding (and controlling) hyperfine interactions in semiconductor nanostructures is
important for fundamental studies of material properties as well as for quantum information …

The selective confinement of light holes (LHs) is demonstrated by introducing a low-
dimensional system consisting of a highly tensile-strained Ge quantum well enabling the …

In this paper, we derive a ready-to-use symmetry-invariant expansion of the full-zone 30-
band k· p Hamiltonian for the T d point group. To find respective parameters, the band …