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7 papers
Monitoring MBE substrate deoxidation via RHEED image-sequence analysis by deep learning
Abdourahman Khaireh-Walieh, Alexandre Arnoult, Sébastien Plissard +1
Reflection high-energy electron diffraction (RHEED) is a powerful tool in molecular beam epitaxy (MBE), but RHEED images are often difficult to interpret, requiring experienced ope…
Erasing odd-parity states in semiconductor quantum dots coupled to superconductors
Z. Su, R. Zitko, P. Zhang +9
Quantum dots are gate-defined within InSb nanowires, in proximity to NbTiN superconducting contacts. As the coupling between the dot and the superconductor is increased, the odd-pa…
Mirage Andreev spectra generated by mesoscopic leads in nanowire quantum dots
Z. Su, A. Zarassi, J. -F. Hsu +15
We study transport mediated by Andreev bound states formed in InSb nanowire quantum dots. Two kinds of superconducting source and drain contacts are used: epitaxial Al/InSb devices…
Josephson radiation and shot noise of a semiconductor nanowire junction
David J. van Woerkom, Alex Proutski, Ruben J. J. van Gulik +6
We measured the Josephson radiation emitted by an InSb semiconductor nanowire junction utilizing photon assisted quasiparticle tunneling in an AC-coupled superconducting tunnel jun…
Fast spin-orbit qubit in an indium antimonide nanowire
J. W. G. van den Berg, S. Nadj-Perge, V. S. Pribiag +4
Due to the strong spin-orbit interaction in indium antimonide, orbital motion and spin are no longer separated. This enables fast manipulation of qubit states by means of microwave…
Signatures of Majorana fermions in hybrid superconductor-semiconductor nanowire devices
V. Mourik, K. Zuo, S. M. Frolov +3
Majorana fermions are particles identical to their own antiparticles. They have been theoretically predicted to exist in topological superconductors. We report electrical measureme…
Spectroscopy of spin-orbit quantum bits in indium antimonide nanowires
S. Nadj-Perge, V. S. Pribiag, J. W. G. van den Berg +5
Double quantum dot in the few-electron regime is achieved using local gating in an InSb nanowire. The spectrum of two-electron eigenstates is investigated using electric dipole spi…