Witnessing quantum correlations in a nuclear ensemble via an electron spin qubit

DA Gangloff, L Zaporski, JH Bodey, C Bachorz… - Nature Physics, 2021 - nature.com
A coherent ensemble of spins interfaced with a proxy qubit is an attractive platform to create
many-body coherences and probe the regime of collective excitations. An electron spin qubit …

Suppression of nuclear spin bath fluctuations in self-assembled quantum dots induced by inhomogeneous strain

EA Chekhovich, M Hopkinson, MS Skolnick… - Nature …, 2015 - nature.com
Interaction with nuclear spins leads to decoherence and information loss in solid-state
electron-spin qubits. One particular, ineradicable source of electron decoherence arises …

Pulse control protocols for preserving coherence in dipolar-coupled nuclear spin baths

AM Waeber, G Gillard, G Ragunathan… - Nature …, 2019 - nature.com
Coherence of solid state spin qubits is limited by decoherence and random fluctuations in
the spin bath environment. Here we develop spin bath control sequences which …

Vanishing electron factor and long-lived nuclear spin polarization in weakly strained nanohole-filled GaAs/AlGaAs quantum dots

A Ulhaq, Q Duan, E Zallo, F Ding, OG Schmidt… - Physical Review B, 2016 - APS
GaAs/AlGaAs quantum dots grown by in situ droplet etching and nanohole in-filling offer a
combination of strong charge confinement, optical efficiency, and high spatial symmetry …

Nuclear Magnetic Resonance with a Levitating Microparticle

J Voisin, A Durand, T Copie, M Perdriat, G Hétet - Physical Review Letters, 2024 - APS
Nuclear magnetic resonance (NMR) spans diverse fields from biology to quantum science.
Employing NMR on a floating object could unveil novel possibilities beyond conventional …

Reconstruction of nuclear quadrupole interaction in (In, Ga) As/GaAs quantum dots observed by transmission electron microscopy

PS Sokolov, MY Petrov, T Mehrtens, K Müller-Caspary… - Physical Review B, 2016 - APS
A microscopic study of the individual annealed (In, Ga) As/GaAs quantum dots is done by
means of high-resolution transmission electron microscopy. The Cauchy-Green strain-tensor …

Harnessing many-body spin environment for long coherence storage and high-fidelity single-shot qubit readout

G Gillard, E Clarke, EA Chekhovich - Nature Communications, 2022 - nature.com
There is a growing interest in hybrid solid-state quantum systems where nuclear spins,
interfaced to the electron spin qubit, are used as quantum memory or qubit register. These …

NMR studies of protic ionic liquids

V Overbeck, R Ludwig - Annual Reports on NMR Spectroscopy, 2018 - Elsevier
This review presents recent developments in the application of nuclear magnetic resonance
(NMR) spectroscopy for studying the structure and dynamics of ionic liquids. We in particular …

Dark-bright exciton coupling in asymmetric quantum dots

S Germanis, P Atkinson, R Hostein, C Gourdon… - Physical Review B, 2018 - APS
Symmetry breaking of the confinement in In (Ga) As quantum dots leads to mixing between
the bright and dark exciton states and an increase in the oscillator strength of the dark …

[HTML][HTML] Dynamic nuclear polarization

MAS Case - 1993 - hellenicaworld.com
Dynamic nuclear polarization (DNP)[1][2][3] results from transferring spin polarization from
electrons to nuclei, thereby aligning the nuclear spins to the extent that electron spins are …