papers

Publications (5)

cond-mat.mes-hall2024

Fabrication and characterization of InAs nanowire-based quantum dot structures utilizing buried bottom gates

Anton Faustmann, Patrick Liebisch, Benjamin Bennemann +6

Semiconductor nanowires can be utilized to create quantum dot qubits. The formation of quantum dots is typically achieved by means of bottom gates created by a lift-off process. As…

cond-mat.mes-hall2020

Hard-gap spectroscopy in a self-defined mesoscopic InAs/Al nanowire Josephson junction

Patrick Zellekens, Russell Deacon, Pujitha Perla +10

Superconductor/semiconductor-nanowire hybrid structures can serve as versatile building blocks to realize Majorana circuits or superconducting qubits based on quantized levels such…

cond-mat.mes-hall2021

Te-doped selective-area grown InAs nanowires for superconducting hybrid devices

Pujitha Perla, Anton Faustmann, Sebastian Koelling +11

Semiconductor nanowires have emerged as versatile components in superconducting hybrid devices for Majorana physics and quantum computing. The transport properties of nanowires can…

cond-mat.supr-con2020

Fully in-situ InAs nanowire Josephson junctions by selective-area growth and shadow evaporation

Pujitha Perla, H. Aruni Fonseka, Patrick Zellekens +10

Josephson junctions based on InAs semiconducting nanowires and Nb superconducting electrodes are fabricated in-situ by a special shadow evaporation scheme for the superconductor el…

cond-mat.mes-hall2021

Microwave spectroscopy of Andreev states in InAs nanowire-based hybrid junctions using a flip-chip layout

Patrick Zellekens, Russell Deacon, Pujitha Perla +4

Josephson junctions based on semiconductor nanowires are potential building blocks for electrically tunable qubit structures, e.g. the gatemon or the Andreev qubit. However, an act…