Multiple Andreev reflections and Shapiro steps in a Ge-Si nanowire Josephson junction

J Ridderbos, M Brauns, A Li, EPAM Bakkers… - Physical Review …, 2019 - APS
We present a Josephson junction based on a Ge-Si core-shell nanowire with transparent
superconducting Al contacts, a building block which could be of considerable interest for …

Josephson Effect in a Few‐Hole Quantum Dot

J Ridderbos, M Brauns, J Shen, FK de Vries… - Advanced …, 2018 - Wiley Online Library
A Ge–Si core–shell nanowire is used to realize a Josephson field‐effect transistor with
highly transparent contacts to superconducting leads. By changing the electric field, access …

Strong superconducting proximity effects in PbS semiconductor nanowires

BK Kim, HS Kim, Y Yang, X Peng, D Yu, YJ Doh - ACS nano, 2017 - ACS Publications
We report the fabrication of strongly coupled nanohybrid superconducting junctions using
PbS semiconductor nanowires and Pb0. 5In0. 5 superconducting electrodes. The maximum …

Superconducting quantum interference devices made of Sb-doped Bi2Se3 topological insulator nanoribbons

NH Kim, HS Kim, Y Hou, D Yu, YJ Doh - Current Applied Physics, 2020 - Elsevier
We report the fabrication and characterization of superconducting quantum interference
devices (SQUIDs) made of Sb-doped Bi 2 Se 3 topological insulator (TI) nanoribbon (NR) …

Higher harmonic resistance oscillations in micro-bridge superconducting Nb ring

M Tokuda, R Nakamura, M Maeda… - Japanese Journal of …, 2022 - iopscience.iop.org
Higher harmonic resistance oscillations in micro-bridge superconducting Nb ring - IOPscience
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Zero bias conductance peak in InAs nanowire coupled to superconducting electrodes

NH Kim, YS Shin, HS Kim, JD Song, YJ Doh - Current Applied Physics, 2018 - Elsevier
We report the occurrence of the zero-bias conductance peak (ZBCP) in an InAs nanowire
coupled to PbIn superconductors with varying temperature, bias voltage, and magnetic field …

Fabrication and characterization of PbIn-Au-PbIn superconducting junctions

NH Kim, BK Kim, HS Kim, YJ Doh - arXiv preprint arXiv:1611.06634, 2016 - arxiv.org
We report on the fabrication and measurement results of the electrical transport properties of
superconductor-normal metal-superconductor (SNS) weak links, made of PbIn …

Towards searching for Majorana fermions in topological insulator nanowires

HS Kim, YJ Doh - arXiv preprint arXiv:1905.00997, 2019 - arxiv.org
Developing a gate-tunable, scalable, and topologically-protectable supercurrent qubit and
integrating it into a quantum circuit are crucial for applications in the fields of quantum …

[PDF][PDF] Quantum electronic transport in (Bi0. 84Sb0. 16) 2Se3 topological insulator nanowire

H Im, HS Kim, NH Kim, YJ Doh - New Physics: Sae Mulli, 2018 - researchgate.net
A topological insulator (TI) in contact with a conventional superconductor can provide a
useful platform for creating exotic quasi-particles such as Majorana fermions. Here, we …

Quantum dots and superconductivity in Ge-Si nanowires

J Ridderbos - 2018 - research.utwente.nl
A quantum computer requires a quantum-mechanical two-level system with coherent control
over its eigenstates. We investigate two different routes leading to quantum computational …