Two-axis control of a singlet–triplet qubit with an integrated micromagnet

X Wu, DR Ward, JR Prance, D Kim… - Proceedings of the …, 2014 - National Acad Sciences
The qubit is the fundamental building block of a quantum computer. We fabricate a qubit in a
silicon double-quantum dot with an integrated micromagnet in which the qubit basis states …

Electrical Control of g-Factor in a Few-Hole Silicon Nanowire MOSFET

B Voisin, R Maurand, S Barraud, M Vinet, X Jehl… - Nano …, 2016 - ACS Publications
Hole spins in silicon represent a promising yet barely explored direction for solid-state
quantum computation, possibly combining long spin coherence, resulting from a reduced …

Hole spin coherence in a Ge/Si heterostructure nanowire

AP Higginbotham, TW Larsen, J Yao, H Yan… - Nano …, 2014 - ACS Publications
Relaxation and dephasing of hole spins are measured in a gate-defined Ge/Si nanowire
double quantum dot using a fast pulsed-gate method and dispersive readout. An …

Robust two-qubit gates for donors in silicon controlled by hyperfine interactions

R Kalra, A Laucht, CD Hill, A Morello - Physical Review X, 2014 - APS
We present two strategies for performing two-qubit operations on the electron spins of an
exchange-coupled pair of donors in silicon, using the ability to set the donor nuclear spins in …

Non-Markovian transient spectroscopy in cavity QED

Z McIntyre, WA Coish - Physical Review Research, 2022 - APS
We theoretically analyze measurements of the transient field leaving a cavity as a tool for
studying non-Markovian dynamics in cavity quantum electrodynamics (QED). Combined …

Single-spin manipulation in a double quantum dot in the field of a micromagnet

S Chesi, YD Wang, J Yoneda, T Otsuka, S Tarucha… - Physical Review B, 2014 - APS
The manipulation of single spins in double quantum dots by making use of the exchange
interaction and a highly inhomogeneous magnetic field was discussed in Coish and Loss …

Dynamics of entanglement of two electron spins interacting with nuclear spin baths in quantum dots

I Bragar, Ł Cywiński - Physical Review B, 2015 - APS
We study the dynamics of entanglement of two electron spins in two quantum dots, in which
each electron is interacting with its nuclear spin environment. Focusing on the case of …

Anisotropy with respect to the applied magnetic field of spin qubit decoherence times

Y Choi, R Joynt - npj Quantum Information, 2022 - nature.com
Electron spin qubits are a promising platform for quantum computation. Environmental noise
impedes coherent operations by limiting the qubit relaxation (T 1) and dephasing (T ϕ) …

Controlling hole spins in quantum dots and wells

S Chesi, XJ Wang, WA Coish - The European Physical Journal Plus, 2014 - Springer
We review recent theoretical results for hole spins influenced by spin-orbit coupling and
Coulomb interaction in two-dimensional quantum wells as well as the decoherence of single …

Theoretical study of laser-induced ultrafast spin dynamics in small iron-benzene clusters and of related laser and magnetic-field effects

H Du, J Liu, N Zhang, J Chang, W **, C Li, G Lefkidis… - Physical Review B, 2019 - APS
Using high-level quantum chemistry calculations, we predict various ultrafast laser-induced
spin dynamics scenarios in clusters Fe m Bz n (m, n= 1, 2) based on the nonadiabatic Λ …