We characterize in-situ grown parallel nanowires bridged by a superconducting island. The magnetic-field and temperature dependence of Coulomb blockade peaks measured across different pairs of nanowire ends are consistent with a sub-gap state extended over the hybrid parallel-nanowire island. Being gate-tunable, accessible by multiple terminals and free of quasiparticle poisoning, these nanowires show promise for the implementation of several proposals that rely on parallel nanowire platforms.
@article{arxiv.2203.09213,
title = {Electronic transport in double-nanowire superconducting islands with multiple terminals},
author = {Alexandros Vekris and Juan Carlos Estrada Saldaña and Thomas Kanne and Thor Hvid-Olsen and Mikelis Marnauza and Dags Olsteins and Matteo M. Wauters and Michele Burrello and Jesper Nygård and Kasper Grove-Rasmussen},
journal= {arXiv preprint arXiv:2203.09213},
year = {2022}
}