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(Invited) Josephson devices and circuits based on superconducting two-dimensional electron gas platform

Delfanazari, K (2019) (Invited) Josephson devices and circuits based on superconducting two-dimensional electron gas platform. In: Plasma 2019 Workshop, -- to --, Orlando, Florida, USA.

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Abstract

The hybrid superconductor-semiconductor-superconductor (S-Sm-S) structures have been proposed to be the building blocks of the next generation of topological quantum processors and computers, after the purported detection of exotic Majorana particles with zero electrical charges at the interface of S-Sm junctions. Here, we demonstrate quantum integrated circuits (QIC) and devices consisting of arrays of planar Josephson junctions based on superconducting two-dimensional electron gas (2DEG) in In0.75Ga0.25As heterostructures. The methods that are used for ballistic 2D Josephson junctions and hybrid QIC fabrication will be demonstrated. Furthermore, the temperature and magnetic field dependences of the phase coherent quantum transport in 2D Josephson junctions, the induced superconducting properties into 2DEG, and the subharmonic energy gap structures (SGS) due to Andreev reflections at the S-Sm interfaces will be discussed. [1] K. Delfanazari, et al., Adv. Mater. 29, 1701836 (2017), [2] K. Delfanazari, et al., IEEE Tran.Appl. Supercond., 28, 1100304 (2018), [3] K. Delfanazari, et al., J. Magn. Magn. Mater. 459, 282 (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: 19 Jan 2019 20:09
Last Modified: 18 Aug 2020 12:52
DOI: