Silicon quantum electronics

FA Zwanenburg, AS Dzurak, A Morello… - Reviews of modern …, 2013 - APS
This review describes recent groundbreaking results in Si, Si/SiGe, and dopant-based
quantum dots, and it highlights the remarkable advances in Si-based quantum physics that …

Spin-valley lifetimes in a silicon quantum dot with tunable valley splitting

CH Yang, A Rossi, R Ruskov, NS Lai… - Nature …, 2013 - nature.com
Although silicon is a promising material for quantum computation, the degeneracy of the
conduction band minima (valleys) must be lifted with a splitting sufficient to ensure the …

[HTML][HTML] Quantum confinement in Si and Ge nanostructures: Theory and experiment

EG Barbagiovanni, DJ Lockwood, PJ Simpson… - Applied Physics …, 2014 - pubs.aip.org
The role of quantum confinement (QC) in Si and Ge nanostructures (NSs) including quantum
dots, quantum wires, and quantum wells is assessed under a wide variety of fabrication …

[HTML][HTML] A reconfigurable gate architecture for Si/SiGe quantum dots

DM Zajac, TM Hazard, X Mi, K Wang… - Applied Physics Letters, 2015 - pubs.aip.org
We demonstrate a reconfigurable quantum dot gate architecture that incorporates two
interchangeable transport channels. One channel is used to form quantum dots, and the …

Spin blockade and exchange in Coulomb-confined silicon double quantum dots

B Weber, YHM Tan, S Mahapatra, TF Watson… - Nature …, 2014 - nature.com
Electron spins confined to phosphorus donors in silicon are promising candidates as qubits
because of their long coherence times, exceeding seconds in isotopically purified bulk …

Coherent spin control of s-, p-, d-and f-electrons in a silicon quantum dot

RCC Leon, CH Yang, JCC Hwang, JC Lemyre… - Nature …, 2020 - nature.com
Once the periodic properties of elements were unveiled, chemical behaviour could be
understood in terms of the valence of atoms. Ideally, this rationale would extend to quantum …

Excited states in bilayer graphene quantum dots

A Kurzmann, M Eich, H Overweg, M Mangold… - Physical review …, 2019 - APS
We report ground-and excited-state transport through an electrostatically defined few-hole
quantum dot in bilayer graphene in both parallel and perpendicular applied magnetic fields …

Three-electron spin qubits

M Russ, G Burkard - Journal of Physics: Condensed Matter, 2017 - iopscience.iop.org
The goal of this article is to review the progress of three-electron spin qubits from their
inception to the state of the art. We direct the main focus towards the exchange-only qubit …

Coherent coupling between a quantum dot and a donor in silicon

P Harvey-Collard, NT Jacobson, M Rudolph… - Nature …, 2017 - nature.com
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 …

Few-electron edge-state quantum dots in a silicon nanowire field-effect transistor

B Voisin, VH Nguyen, J Renard, X Jehl, S Barraud… - Nano …, 2014 - ACS Publications
We investigate the gate-induced onset of few-electron regime through the undoped channel
of a silicon nanowire field-effect transistor. By combining low-temperature transport …