The spin degree of freedom of an electron or a nucleus is one of the most basic properties of
nature and functions as an excellent qubit, as it provides a natural two-level system that is …

Nuclear spins were among the first physical platforms to be considered for quantum
information processing,, because of their exceptional quantum coherence and atomic-scale …

A materials synthesis method that we call atomic-precision advanced manufacturing
(APAM), which is the only known route to tailor silicon nanoelectronics with full 3D atomic …

The Hubbard model is an essential tool for understanding many-body physics in condensed
matter systems. Artificial lattices of dopants in silicon are a promising method for the analog …

SiGe heteroepitaxial growth yields pristine host material for quantum dot qubits, but residual
interface disorder can lead to qubit-to-qubit variability that might pose an obstacle to reliable …

Silicon/silicon-germanium heterostructures have many important advantages for hosting
spin qubits. However, controlling the valley splitting (the energy splitting between the two …

The silicon metal-oxide-semiconductor (MOS) material system is a technologically important
implementation of spin-based quantum information processing. However, the MOS interface …

Donor spins in silicon provide a promising material platform for large scale quantum
computing. Excellent electron spin coherence times of T 2*= 268 μ s with fidelities of 99.9 …

Substitutional donor atoms in silicon are promising qubits for quantum computation with
extremely long relaxation and dephasing times demonstrated. One of the critical challenges …

Individual donors in silicon chips are used as quantum bits with extremely low error rates.
However, physical realizations have been limited to one donor because their atomic size …