CUED Publications database

Hybrid Nb-InGaAs 2DEG-Nb ballistic Josephson junctions for scalable topological quantum processing

Delfanazari, K and Ma, P and Teng, Y and Puddy, R and Cao, M and Gul, Y and Farrer, I and Ritchie, D and Joyce, H and Kelly, M and Smith, C (2018) Hybrid Nb-InGaAs 2DEG-Nb ballistic Josephson junctions for scalable topological quantum processing. In: Topical Research Meeting on Topological States in Strongly Interacting Light-Matter Systems, 2018-3-19 to 2018-3-20, Milton Keyns, UK..

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Abstract

Here, we demonstrate an on-chip, integrated and scalable hybrid superconducting-semiconducting quantum circuit and discuss the coherent quantum transports in such system at temperature ranges between 35 mK and 800 mK [1]. Furthermore, we present the first experimental results on quantum interference effects in simply connected superconductor-2DEG junctions that lead to the observation of periodic magnetoconductance oscillations, analogous to Aharonov-Bohm interference effect in a small ring, in low orthogonal magnetic fields [2]. [1] K. Delfanazari, et al., Adv. Mater. 29, 1701836 (2017), [2] K. Delfanazari, et al., Submitted (2018)

Item Type: Conference or Workshop Item (UNSPECIFIED)
Subjects: UNSPECIFIED
Divisions: Div B > Solid State Electronics and Nanoscale Science
Depositing User: Cron Job
Date Deposited: 01 Apr 2018 20:06
Last Modified: 21 Nov 2020 03:21
DOI: