Semiconductor-based electron flying qubits: review on recent progress accelerated by numerical modelling

H Edlbauer, J Wang, T Crozes, P Perrier… - EPJ Quantum …, 2022 - epjqt.epj.org
The progress of charge manipulation in semiconductor-based nanoscale devices opened
up a novel route to realise a flying qubit with a single electron. In the present review, we …

Two-photon interference: the Hong–Ou–Mandel effect

F Bouchard, A Sit, Y Zhang, R Fickler… - Reports on Progress …, 2020 - iopscience.iop.org
Nearly 30 years ago, two-photon interference was observed, marking the beginning of a
new quantum era. Indeed, two-photon interference has no classical analogue, giving it a …

Computational perspective on recent advances in quantum electronics: from electron quantum optics to nanoelectronic devices and systems

J Weinbub, R Kosik - Journal of Physics: Condensed Matter, 2022 - iopscience.iop.org
Quantum electronics has significantly evolved over the last decades. Where initially the clear
focus was on light–matter interactions, nowadays approaches based on the electron's wave …

Two electrons interacting at a mesoscopic beam splitter

N Ubbelohde, L Freise, E Pavlovska… - Nature …, 2023 - nature.com
The nonlinear response of a beam splitter to the coincident arrival of interacting particles
enables numerous applications in quantum engineering and metrology. Yet, it poses …

Time-resolved Coulomb collision of single electrons

JD Fletcher, W Park, S Ryu, P See, JP Griffiths… - Nature …, 2023 - nature.com
A series of recent experiments have shown that collision of ballistic electrons in
semiconductors can be used to probe the indistinguishability of single-electron …

Sound-driven single-electron transfer in a circuit of coupled quantum rails

S Takada, H Edlbauer, HV Lepage, J Wang… - Nature …, 2019 - nature.com
Surface acoustic waves (SAWs) strongly modulate the shallow electric potential in
piezoelectric materials. In semiconductor heterostructures such as GaAs/AlGaAs, SAWs can …

Partition of two interacting electrons by a potential barrier

S Ryu, HS Sim - Physical Review Letters, 2022 - APS
Scattering or tunneling of an electron at a potential barrier is a fundamental quantum effect.
Electron-electron interactions often affect the scattering, and understanding of the interaction …

Experimental sample-efficient quantum state tomography via parallel measurements

CK Hu, C Wei, C Liu, L Che, Y Zhou, G Xie, H Qin… - Physical Review Letters, 2024 - APS
Quantum state tomography (QST) via local measurements on reduced density matrices
(LQST) is a promising approach but becomes impractical for large systems. To tackle this …

Minimal alternating current injection into carbon nanotubes

K Fukuzawa, T Kato, T Jonckheere, J Rech, T Martin - Physical Review B, 2023 - APS
We study theoretically the effect of electronic interactions in one-dimensional systems on
electron injection using periodic Lorentzian pulses, known as levitons. We consider …

Continuous-variable tomography of solitary electrons

JD Fletcher, N Johnson, E Locane, P See… - Nature …, 2019 - nature.com
A method for characterising the wave-function of freely-propagating particles would provide
a useful tool for developing quantum-information technologies with single electronic …