BACKGROUND The past two decades have seen intense efforts aimed at building quantum
computing hardware with the potential to solve problems that are intractable on classical …

In the effort to develop disruptive quantum technologies, germanium is emerging as a
versatile material to realize devices capable of encoding, processing and transmitting …

Superconductors and semiconductors are crucial platforms in the field of quantum
computing. They can be combined to hybrids, bringing together physical properties that …

Constructing two-dimensional (2D) artificial superlattices based on single-atom and few-
atom nanoclusters is of great interest for exploring exotic physics. Here we report the …

Simulations using highly tunable quantum systems may enable investigations of condensed
matter systems beyond the capabilities of classical computers. Quantum dots and donors in …

The electronic and nuclear spin degrees of freedom of donor impurities in silicon form ultra-
coherent two-level systems, that are potentially useful for applications in quantum …

We demonstrate an effective epitaxial route for the manipulation and further enrichment of
the intriguing spin-dependent phenomena boasted by germanium. We show optical …

Control of electron spin coherence via external fields is fundamental in spintronics. Its
implementation demands a host material that accommodates the desirable but contrasting …

We study the exchange interaction between two hole-spin qubits in a double quantum dot
setup in a silicon nanowire in the presence of magnetic and electric fields. Based on …

We fabricate Josephson field-effect transistors in germanium quantum wells contacted by
superconducting aluminum and demonstrate supercurrents carried by holes that extend …