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Gatemon Benchmarking and Two-Qubit Operation
L. Casparis, T. W. Larsen, M. S. Olsen +5
Recent experiments have demonstrated superconducting transmon qubits with semiconductor nanowire Josephson junctions. These hybrid gatemon qubits utilize field effect tunability ch…
Two-dimensional epitaxial superconductor-semiconductor heterostructures: A platform for topological superconducting networks
J. Shabani, M. Kjaergaard, H. J. Suominen +12
Progress in the emergent field of topological superconductivity relies on synthesis of new material combinations, combining superconductivity, low density, and spin-orbit coupling…
A Semiconductor Nanowire-Based Superconducting Qubit
T. W. Larsen, K. D. Petersson, F. Kuemmeth +4
We introduce a hybrid qubit based on a semiconductor nanowire with an epitaxially grown superconductor layer. Josephson energy of the transmon-like device ("gatemon") is controlled…
Parity lifetime of bound states in a proximitized semiconductor nanowire
A. P. Higginbotham, S. M. Albrecht, G. Kirsanskas +7
Quasiparticle excitations can compromise the performance of superconducting devices, causing high frequency dissipation, decoherence in Josephson qubits, and braiding errors in pro…