Gate-tunable superconducting diode effect in a three-terminal Josephson device

M Gupta, GV Graziano, M Pendharkar, JT Dong… - Nature …, 2023 - nature.com
The phenomenon of non-reciprocal critical current in a Josephson device, termed the
Josephson diode effect, has garnered much recent interest. Realization of the diode effect …

Selective control of conductance modes in multi-terminal Josephson junctions

GV Graziano, M Gupta, M Pendharkar, JT Dong… - Nature …, 2022 - nature.com
The Andreev bound state spectra of multi-terminal Josephson junctions form an artificial
band structure, which is predicted to host tunable topological phases under certain …

Transport studies in a gate-tunable three-terminal Josephson junction

GV Graziano, JS Lee, M Pendharkar, CJ Palmstrøm… - Physical Review B, 2020 - APS
Josephson junctions with three or more superconducting leads have been predicted to
exhibit topological effects in the presence of few conducting modes within the interstitial …

Transport studies of Epi-Al/InAs two-dimensional electron gas systems for required building-blocks in topological superconductor networks

JS Lee, B Shojaei, M Pendharkar, AP McFadden… - Nano …, 2019 - ACS Publications
One-dimensional (1D) electronic transport and induced superconductivity in semiconductor
nanostructures are crucial ingredients to realize topological superconductivity. Our approach …

[HTML][HTML] Topological materials by molecular beam epitaxy

M Brahlek, J Lapano, JS Lee - Journal of Applied Physics, 2020 - pubs.aip.org
Topology appears across condensed matter physics to describe a wide array of phenomena
which could alter, augment, or fundamentally change the functionality of many technologies …

[HTML][HTML] Controlling Fermi level pinning in near-surface InAs quantum wells

WM Strickland, M Hatefipour, D Langone… - Applied Physics …, 2022 - pubs.aip.org
Hybrid superconductor–semiconductor heterostructures are a promising platform for
quantum devices based on mesoscopic and topological superconductivity. In these …

Experimental measurements of effective mass in near-surface InAs quantum wells

J Yuan, M Hatefipour, BA Magill, W Mayer, MC Dartiailh… - Physical Review B, 2020 - APS
Near-surface indium arsenide quantum wells have recently attracted a great deal of interest
since they can be interfaced epitaxially with superconducting films and have proven to be a …

Field effect two-dimensional electron gases in modulation-doped InSb surface quantum wells

EA Bergeron, F Sfigakis, Y Shi, G Nichols… - Applied Physics …, 2023 - pubs.aip.org
We report on transport characteristics of field effect two-dimensional electron gases (2DEGs)
in surface indium antimonide quantum wells. The topmost 5 nm of the 30 nm wide quantum …

Perspective on Majorana bound-states in hybrid superconductor-semiconductor nanowires

L Kouwenhoven - arXiv preprint arXiv:2406.17568, 2024 - arxiv.org
Topological quantum computing and Majorana bound states were initially theorized
between 2000 and 2010. These concepts gradually transitioned to practical …

Structural design and molecular beam epitaxy growth of GaAs and InAs heterostructures for high mobility two-dimensional electron gas

T Wang, H Song, K He - Quantum Frontiers, 2024 - Springer
This review aims to provide a comprehensive overview of the development and current
understanding of GaAs and InAs heterostructures, with a special emphasis on achieving …